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Troubleshooting

88

Platinous User’s Manual

Displayed Alarm

Code/Channel

Code (option)

Trouble

Cause

Remedial Action

BURN-OUT

AI-CH3

(0)

The product temperature
input to the temperature
controller was disconnected.
The chamber has been
stopped.

The sensor is loosely
connected to the AI-
CH3 terminal on the
SCP-220 temperature
controller board or there
is an open circuit in the
connected
thermocouple, or the
thermocouple is
unplugged from the jack
in the workspace.

Turn control power OFF
from the POWER key
and resume testing. If
the same alarm occurs
again, call for service.

BURN-OUT

AI-CH5 ~ CH12

(0)

A refrigeration circuit monitor
channel Ai5 ~ 12ch) to the
temperature controller was
disconnected. The chamber
has been stopped. If the
backup mode is ON and the
chamber has multiple
refrigerators, only the affected
refrigerator stops while all
others continue running.

Either the sensor is
loosely connect to the
Ai5 ~ 12 terminal on the
SCP-220 temperature
controller board or there
is an open circuit in the
connect thermocouple.

Turn control power OFF
from the POWER key
(wait for the test end if
backup mode is ON)
and resume testing. If
the same alarm occurs
again, call for service.

UPPER DEV.

LIMIT : TEMP.

(1)

The temperature inside the
chamber has risen above the
upper deviation limit. The
heater has been stopped until
temperature returns within
range.

Either specimens inside
the chamber are
generating heat or the
upper deviation limit is
set too low.

Remove the heat-
generating specimens
and/or set the upper
deviation limit about
10°C. When
temperature returns
within range, normal
control is restored
automatically. The
alarm can be cleared by
pressing the
Buzzer Stop key.

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Содержание Platinous ESL Series

Страница 1: ...PLATINOUS CHAMBER SERIES USER S MANUAL...

Страница 2: ......

Страница 3: ...w 17 About the Platinous Series 18 Temperature Humidity Control and Instrumentation 19 Temperature Humidity Control 19 SCP 220 Instrumentation 20 Chapter 4 Names and Functions of Parts 21 Chamber 22 F...

Страница 4: ...ens 64 Test End 67 Useful Features 68 Auto Manual Refrigeration Control 68 How to Use Time Signals 70 External Alarm Terminal 72 Chapter 7 Checks and Maintenance 75 Check and Maintenance Lists 76 Chec...

Страница 5: ...r 9 Appendix 101 Major Specifications 102 ESL Series Cold Temperature and Humidity Chambers 102 ESU Series Cold Temperature Chambers 105 ESX Series Ultra Cold Temperature and Humidity Chambers 108 ESZ...

Страница 6: ...iv Platinous User s Manual...

Страница 7: ...Manual 1 Chapter 1 Introduction This manual has been written for users of the Platinous Sterling Series Chambers and particularly for technicians Read it thoroughly to obtain the maximum performance...

Страница 8: ...S OF DANGER This mark means extremely dangerous consequences may arise with the possi bility of death or serious injury to the user if the equipment is handled incorrectly This mark means dangerous co...

Страница 9: ...data plate on the rear of the chamber This manual has been written to cover a wide range of chamber models You should only be concerned with sections that relate to your chamber 1 2 1 Platinous Stand...

Страница 10: ...h your chamber Accessory Use Quantity Cable Port Rubber Plug Seals cable port 2 Shelf and Shelf Brackets Hold specimens inside the chamber 1 Set Fluorescent Bulb In chamber illumination 1 Wet Bulb Wic...

Страница 11: ...ecautions in Usage This chapter explains safety precautions that should be observed to operate the equipment safely Be sure to read carefully and follow instructions so as to prevent harm to yourself...

Страница 12: ...rates Potassium peroxide sodium peroxide barium peroxide and other inorganic peroxides Potassium nitrate sodium nitrate ammonium nitrate and other nitrates Sodium chlorite and other chlorites Calcium...

Страница 13: ...at high temperature and high humidity Even trace amounts of corrosives in the humidity water supply or released by the test items will become concentrated in the humidifying tray during extended perio...

Страница 14: ...ly set specimens could be damaged if something goes wrong during testing The chamber is controlled to a target constant temperature and humidity by the controller Nonetheless temperature and humidity...

Страница 15: ...rator shut OFF Air circulator shut OFF Specimen power sup ply control terminal interrupted N A Built into temperature humidity controller Temperature Alarms Absolute High Limit Set approximately 15 C...

Страница 16: ...deviation limit alarm followed by the absolute high limit alarm and then the overheat protector Due to the fact that the chamber is equipped with multiple safety devices abnormal temperatures cannot e...

Страница 17: ...Temperature C Time Abnormal temperature detected here If 1 is not working Abnormal temperature detected here Alarm cleared here 3 Ov erheat protector 2 Absolute high limit temperature alarm 1 Upper d...

Страница 18: ...or other means to support the door You will need nippers a slotted head screwdriver and 7 16 socket box wrench to detach the door Procedure 1 Cut the cable between the door and chamber Use the nippers...

Страница 19: ...n page 55 FIGURE 2 5 TEMPERATURE AND SPECIMEN POWER SUPPLY CONTROL TERMINALS HOT AIR BLAST WHEN OPEN Use caution when opening the door during and shortly after operation at high temperature or high hu...

Страница 20: ...read and comply with all Warning Cautionary and Information Labels posted on the chamber FIGURE 2 6 WARNING LABELS 2 5 1 For Additional Labels If labels are damaged lost or become illegible contact t...

Страница 21: ...by the Kyoto Protocol See Table 2 4 for global warming potential of refrigerants used by ESPEC See chamber serial tag for refrigerant and quantity used in this chamber Insulation material is made of f...

Страница 22: ...Precautions in Usage 16 Platinous User s Manual...

Страница 23: ...Platinous User s Manual 17 Chapter 3 Overview This chapter gives an overview of the Platinous Series and temperature and humidity control...

Страница 24: ...der various environmental conditions They are used to evaluate the effects that temperature and humidity can have on equipment and parts across the entire product life cycle from development productio...

Страница 25: ...ing the capacity of a cooler dehumidifier of high Heat Load and a heater and humidifying heater of low heat load in real time Refrigerator capacity is also updated continuously to minimize the heat lo...

Страница 26: ...S IN CONSTANT MODE Program Mode The program mode changes chamber temperature and humidity according to a user set program This program is created before testing starts It contains multiple steps Each...

Страница 27: ...Functions of Parts This chapter identifies parts found on the chamber instrumentation panel electric parts compartment and water circuit compartment by name and function Return to this chapter any ti...

Страница 28: ...options 2 Electrical Compartment Door Open to access the electric parts compartment 3 Water Circuit Compartment Door Open to access the water circuit compartment 4 Door Handle Use to open close the c...

Страница 29: ...upply into the water circuit through here 8 Condenser Grille Gives access to air cooled condenser 9 Viewing Window Allows you to view specimens inside the chamber dur ing tests 10 Fluorescent Lamp Cov...

Страница 30: ...s i e to charge specimens into the test area through here 3 Main Power Breaker Turns primary power supply to the chamber ON OFF 4 Air Circulators Air circulator motors 5 Water Supply Port For refriger...

Страница 31: ...Platinous User s Manual 25 Names and Functions of Parts...

Страница 32: ...e 3 Shelf Bracket Supports the shelf To change shelf height reposition the brackets on the shelf support 4 Shelf Holds specimens during tests 5 Dew Tray Collects and drains dew formed on the chamber d...

Страница 33: ...lb test area temperature 3 Wet Bulb Temperature Sensor Detects wet bulb temperature test area humidity 4 Wick Pan Supplies water to the wet bulb wick 5 Wet Bulb Wick Used in detecting wet bulb tempera...

Страница 34: ...difying Tray Holds humidifying water 3 Humidifying Heater Temp Safety Prevents the heater from overheating when humidifying water is low 4 Drain Outlet Releases internal pressure buildup and drains ov...

Страница 35: ...erface unit Use to set temperature humidity start stop the chamber etc See Figure 4 16 on page 30 2 Hour Meter Counts up chamber running time 3 Overheat Protector Stops the chamber to prevent damage t...

Страница 36: ...s the Operation Mode Selection Screen 3 HELP key Displays a help screen for the current screen 4 DISP key Turns the screen s back light ON if OFF If the back light is already on a menu is displayed fr...

Страница 37: ...numerical input Keypad Numerical Input 0 9 KEYS Use for numerical input Use to input a decimal point Use to input negative numbers CLR Clears the value in the text box DEL Deletes the value left of th...

Страница 38: ...r refrigerator and other components 3 Option Panel with Time Signal Terminals Specimen Power Supply Control Terminal Communications Contact type output terminal Outputs signals via a relay to remote d...

Страница 39: ...ressure Regulator Reduces inlet pressure to operating pressure for the system 3 Humidity Heater Temp Safety Prevents the heater from overheating when humidifying water is low 4 Water Supply Filter Fil...

Страница 40: ...Names and Functions of Parts 34 Platinous User s Manual...

Страница 41: ...ion This chapter explains how to install the chamber and prepare for tests Be sure to read the sections on installation even if having the chamber installed by the place of purchase or ESPEC Also refe...

Страница 42: ...ree of sharp temperature fluctua tions 0 1 C min or 3 C 30 mins In a dust free room Where not exceptionally wet or humid Away from flammables and explosives Where not exposed to combustible or corrosi...

Страница 43: ...ow TABLE 5 9 CHAMBER EXTERIOR SIZE TABLE 5 8 REQUIRED CLEARANCE FROM CHAMBER FRONT Type ESL ESU ESX ESZ 2 28 in 70cm 3 32 in 80cm 4 48 in 120cm Type ESL ESU ESX ESZ 2 36 43 W x 47 08 H x 76 15 D 3 41...

Страница 44: ...midity system operation Casters and adjuster feet are found under each of the four corners of the chamber base Adjuster foot height can be adjusted by loosening and tightening the nut This will requir...

Страница 45: ...ust be within 5 or within 10 while the chamber is running Maximum current per voltage specification minimum cable diameter and switch fuse capacity must be as below Refer to NEC or applicable code req...

Страница 46: ...ound the equipment PROPERLY ELECTRICAL SHOCK Unless the equipment is grounded overcurrent and short circuit protective devices cannot operate properly possibly resulting in electric shock This will al...

Страница 47: ...Manual 41 Installation 5 4 Compressor Shipping Bracket Removal 1 Loosen bolts do not completely remove holding compressor feet 2 Remove all 3 brackets red per compressor 3 Re tighten bolts FIGURE 5 22...

Страница 48: ...side Chamber Performance Chamber performance is guaranteed for a water temperature of 25 C no specimens and automatic refrigeration capacity control Water Supply and Drainage Work Water cooled chamber...

Страница 49: ...etween the supply source and the chamber Use piping that fits the water supply and drain ports 1 2 FPT 2 Wrap the male end threads of the nipple and pipes with sealant tape FIGURE 5 23 WRAPPING THREAD...

Страница 50: ...in the test area Procedure 1 Loosen the two screws shown in the figure below and open the water circuit compartment door on the right side of the chamber FIGURE 5 24 WATER CIRCUIT COMPARTMENT DOOR 2...

Страница 51: ...e about 1 2 L per drainage cycle for chamber types 2 and 3 and about 2 4 L for type 4 chambers Whether running drainage into a pit or a container keep the end of the drain hose open to the atmosphere...

Страница 52: ...urn and close the lids to their original state FIGURE 5 26 WATER LEVEL REGULATORS The valve seat lock nut fitted on the lid of the wick pan water level regulator and the float switch holder lock nut f...

Страница 53: ...around the water supply hose nipple The water supply should have a pressure between 20 50 psi to ensure proper operation of the humidifying circuit The type of purifying system does not matter but the...

Страница 54: ...e chamber is shipped from the factory For details on chamber setup see the SCP 220 Controller Manual Procedure 1 Remove lower air grille Set the main power breaker in the ON position 2 Press the POWER...

Страница 55: ...high enough Procedure 1 Check that the humidifying heater is completely under water and that water is not overflowing from the humidifying tray An inappropriate water level will destabilize temperatu...

Страница 56: ...y or the chamber operating status box to get the Operation Mode Selection screen again Then press the STOP button under Stop Operation followed by the YES button on the confirmation message The chambe...

Страница 57: ...ide 3 Loosen the nut on the water supply side 4 Adjust the water level to the standard line by turning the valve seat Turn clockwise when the water level is higher than the standard line and turn coun...

Страница 58: ...Installation 52 Platinous User s Manual...

Страница 59: ...3 Chapter 6 Operation This chapter explains test preparations and preliminary checks test startup and editing and some of the handy features of the Platinous Series Perform the work described in this...

Страница 60: ...flow freely which will throw off test results FIGURE 6 30 HOW TO ARRANGE SPECIMENS The shelves can be repositioned freely to suit the size and amount of specimens Set them in a position that allows ai...

Страница 61: ...e only the specimen power supply control terminals to apply voltage to specimens Using other means to power specimens can drive up temperature inside the chamber if the chamber is turned off This can...

Страница 62: ...plug in the chamber accessory kit 4 Connect wires to the specimen power supply plug 5 Plug the specimen power supply plug back into the specimen power inlet connector Reference After feeding the spec...

Страница 63: ...lready in place check whether it is wet or dry before starting If dry change it Note Bacteria adhering to the wet bulb wick can proliferate during tests and block water supply Wash hands with soap and...

Страница 64: ...ulb wick in the central trough of the wick pan FIGURE 6 37 HOW TO SET THE WET BULB WICK Note When running a temperature humidity program always supply the wick with water even during temperature only...

Страница 65: ...ces on page 8 Procedure 1 Turn the dials until a suitable temperature is displayed FIGURE 6 38 OVERHEAT PROTECTOR 6 2 2 Absolute High Low Limit and Upper Deviation Limit Temperature Humidity Alarms Al...

Страница 66: ...er in the ON position 2 Press the POWER key to activate control power The display will come on and the main menu will appear shortly 3 Get the chamber setup mode from the main menu Press the CHAMBER S...

Страница 67: ...damage Set them at least 10 C higher lower than the target temperature When tripped an alarm is generated and the chamber stops running Upper deviation limit This setting is designed to protect speci...

Страница 68: ...it is necessary to input the desired temperature and humidity Procedure 1 Set the main power breaker in the ON position 2 Press the POWER key to activate control power The display will come on and th...

Страница 69: ...enable input Make your input from there Note that if humidity control is OFF humidity cannot be input 5 Turn humidity control ON OFF as needed Press the ON box next to Hum Control to make the setting...

Страница 70: ...Start operation in the constant mode Press the START button under Constant Mode 4 Press the YES button on the confirmation message The chamber will start up YES Button Starts testing in the constant...

Страница 71: ...points For example when temperature and humidity inside the chamber are 85 C and 85 RH respectively the dew point of the air inside the chamber will be 80 9 C Therefore dew will form on specimens if...

Страница 72: ...d because a sharp increase in humidity will make specimen surface temperature lower than the dew point which may increase dew Exposure time in step 2 will vary depending on the heat load of the specim...

Страница 73: ...on under Stop Operation 3 Press the YES button on the confirmation message The chamber will stop and will assume the standby state YES button Stops testing and returns the display to the original scre...

Страница 74: ...rting tests Specimens can be damaged if temperature cannot be maintained Note If trouble occurs during testing set refrigeration capacity to manual control 1 Useful if test samples create excess heat...

Страница 75: ...69 Operation 4 Set refrigeration capacity control Select between auto and manual OFF 20 50 100 control Nor mal operation mode is Auto Control 5 When finished setting refrigeration capacity control pre...

Страница 76: ...culator time signal output is shut OFF and thus the equipment connected to the time signal connector stops When the cause of the trouble is cleared internal temperature switch resets itself the time s...

Страница 77: ...signal ON for Steps 2 and 4 of the program Example 2 Following is an example 5 step program that charges specimens in steps 2 and 4 FIGURE 6 43 EXAMPLE PROGRAM Procedure 1 Connect the specimens to the...

Страница 78: ...URE 6 45 WIRING TO SPECIMENS 2A OR MORE 2 Turn the time signal ON for Steps 2 and 4 of the program See Figure 6 44 on page 72 6 5 3 External Alarm Terminal Purpose Use This feature is used to notify a...

Страница 79: ...s been stopped by a safety device tripping The interface contact for the alarm signal closes when an alarm condition on the chamber occurs Usage Connect the alarm circuit i e alarm emitter etc to the...

Страница 80: ...Operation 74 Platinous User s Manual...

Страница 81: ...atinous User s Manual 75 Chapter 7 Checks and Maintenance This chapter explains equipment checks and maintenance To keep the chamber in good working condition perform checks and maintenance periodical...

Страница 82: ...t Protector Trip Test Before long test runs Before unmanned tests Water Level Check for Humidifying Tray Humidifying Tray Water Level Regulator Once every 3 months After moving chamber See Water Level...

Страница 83: ...n press the START button under Constant Mode followed by the YES button on the confirmation message The chamber will start up 4 Set the overheat protector about 5 C lower than chamber temperature If t...

Страница 84: ...ng SHARP EDGES Be careful of projections or sharp edges inside the chamber For your safety always wear gloves when working inside the chamber HOT ON THE INSIDE Cool down the test area before cleaning...

Страница 85: ...clean out needles operated by the compressed air supply and do not have manual clean out plung ers Disassembly and Cleaning Use proper sized wrenches to remove the nozzle cap and retaining nut from th...

Страница 86: ...compartment can cause problems Clean inside both compartments once a month Procedure 1 Check that the main power breaker is in the OFF position 2 Open the electric parts compartment and water circuit...

Страница 87: ...e Power Recovery Setup in 5 11 Chamber Con figuration of the SCP 220 Controller Manual Select OFF next to Chamber Operation 3 Set target temperature to a minimum 70 C and turn OFF humidity control not...

Страница 88: ...c North America For spare parts and servicing contact the place of purchase or Espec TABLE 7 16 CONSUMABLE PARTS AND REPLACEMENT INTERVAL Part Replacement Interval Replacement Procedure Wet Bulb Wick...

Страница 89: ...a problem is detected by one of the self check features it is displayed on the instrumentation panel display and an alarm buzzer sounds For problems not found with self checks and help with operator e...

Страница 90: ...ontent are given in the alarm table on the following pages Follow the steps as indicated For problems not found with self checks See Operator Error and Additional Troubleshooting on page 95 If the iss...

Страница 91: ...l or the chamber operating status box on the screen to get the Operation Mode Selection screen Then press the STOP button under Stop Operation Note the alarm name s before switching power OFF 3 Press...

Страница 92: ...trouble for the alarm displayed on the Alarm screen as explained in the alarm table 4 Reactivate control power 5 If main power breaker was left in the ON position a message confirming whether to resu...

Страница 93: ...rcuit in the connected thermocouple Turn control power OFF from the POWER key and resume testing If the same alarm occurs again call for service BURN OUT AI CH2 0 The wet bulb humidity input to the te...

Страница 94: ...up mode is ON and the chamber has multiple refrigerators only the affected refrigerator stops while all others continue running Either the sensor is loosely connect to the Ai5 12 terminal on the SCP 2...

Страница 95: ...r excessive cooling the effects of cooling sources inside the chamber and the absolute low limit being set too high Turn control power OFF from the POWER key and check the chamber door and cable ports...

Страница 96: ...ed The refrigerator s operating pressure is higher than specified Turn control power OFF from the POWER key With air cooled refrigerators check if the condenser is clogged and confirm that the condens...

Страница 97: ...er refrigerator Frost buildup compressor trouble or a refrigerant leak are all possible causes After testing ends turn control power OFF and ON from the POWER key and resume testing If the same alarm...

Страница 98: ...the minimum turned OFF in some cases until humidity returns within range The absolute low limit is set too high Set the absolute low limit setting about 10 RH lower than the humidity SV When humidity...

Страница 99: ...cloth inside the chamber may be dry Stop the chamber and replace the wick After wet bulb temperature returns within the specified range the alarm can be cleared by pressing the Buzzer Stop key COMMUN...

Страница 100: ...error on CPU board Reactivate the system from the main power switch leakage breaker and resume testing If the same alarm occurs again call for service COMMUNICATION ERROR 6 99 The instrumentation det...

Страница 101: ...rmation is strange System trouble or internal board trouble Switch the main power switch OFF and ON If the same trouble reoc curs call for service The door is hard to close Something is caught in the...

Страница 102: ...n page 77 Temperature gradually rises higher than the target tem perature Specimens are generating heat Reduce the amount of heat gener ated by specimens Frost has formed on the cooler Defrost the cha...

Страница 103: ...ctric parts compartment door 8 3 2 Changing the Chamber Lamp Bulb Change the chamber lamp bulb after every 6 000 hours of service or whenever it blows Use only the included bulb Replacement will requi...

Страница 104: ...a new bulb 6 Reattach the cover and lock it in place with the screw 8 3 3 Changing the Chamber Lamp Starter Change the chamber lamp starter whenever it blows Procedure 1 Set the main power switch in t...

Страница 105: ...at the operation is not interrupted or an alarm generated if the chamber is run with the door cracked slightly Make the following settings For details on settings see Power Recovery Setup in 5 11 Cham...

Страница 106: ...Troubleshooting 100 Platinous User s Manual...

Страница 107: ...Platinous User s Manual Chapter 9 Appendix...

Страница 108: ...2 Temperature Constancy 0 3 C 0 5 C for Type 4 at 35 to 100 C 0 5 C 0 7 C for Type 4 at 101 to 180 C 6 3 Temperature Uniformity 0 7 C 1 0 C for Type 4 at 35 to 100 C 1 0 C 1 5 C for Type 4 at 101 to 1...

Страница 109: ...1 2 I D 8 4 Refrigeration Cooling 8 4 1 Water Cooled Specific minimum 30 psi differential pressure Maximum supply pressure 90 psi 8 4 2 Air Cooled Specific Air Cooled Heat Rejection to Ambient 25 000...

Страница 110: ...Drain Connection Port 9 9 Cable Port Inside Diameter 4 100 mm Left Side Center of Workspace 9 10 Instrumentation Panel 9 10 1 Model Temperature and Humidity Controller SCP 220 9 10 2 Overheat Protect...

Страница 111: ...C for Type 4 at 101 to 180 C 6 3 Temperature Uniformity 0 7 C 1 0 C for Type 4 at 35 to 100 C 1 0 C 1 5 C for Type 4 at 101 to 180 C 6 4 Temperature Heat Up Time 208V Supply 6 8 Temperature Pull Down...

Страница 112: ...s 18GA SS430 9 1 2 Interior Stainless Steel Sheets 20GA SS304 9 1 3 Insulation Fiber Glass and Foam Glass 9 1 4 Thermal Break Support Frame Molded Unsaturated Polyester Resin 9 1 5 Gasket Silicone 9 2...

Страница 113: ...me Meter Non Resettable Range to 99999 9 hrs 10 Safety Devices 10 1 Electrical Devices Purpose 10 1 1 Main Disconnect Circuit Breaker Protection of Equipment 10 1 2 Thermal Fuse Protection of Equipmen...

Страница 114: ...ature Constancy 0 3 C 0 5 C for Type 4 at 70 to 100 C 0 5 C 0 7 C for Type 4 at 101 to 180 C 6 3 Temperature Uniformity 0 7 C 1 0 C for Type 4 at 70 to 100 C 1 0 C 1 5 C for Type 4 at 101 to 180 C 6 4...

Страница 115: ...4 1 Water Cooled Specific minimum 30 psi differential pressure Maximum supply pressure 90 psi 8 4 2 Air Cooled Specific Air Cooled Heat Rejection to Ambient 25 000 Btu Hr 8 5 Operation Noise Levels M...

Страница 116: ...Drain Connection Port 9 9 Cable Port Inside Diameter 4 100 mm Left Side Center of Workspace 9 10 Instrumentation Panel 9 10 1 Model Temperature and Humidity Controller SCP 220 9 10 2 Overheat Protect...

Страница 117: ...0 7 C for Type 4 at 101 to 180 C 6 3 Temperature Uniformity 0 7 C 1 0 C for Type 4 at 70 to 100 C 1 0 C 1 5 C for Type 4 at 101 to 180 C 6 4 Temperature Heat Up Time 208V Supply 6 5 Temperature Pull D...

Страница 118: ...s 18GA SS430 9 1 2 Interior Stainless Steel Sheets 20GA SS304 9 1 3 Insulation Fiber Glass and Foam Glass 9 1 4 Thermal Break Support Frame Molded Unsaturated Polyester Resin 9 1 5 Gasket Silicone 9 2...

Страница 119: ...e Meter Non Resettable Range to 99999 9 hrs 10 Safety Devices 10 1 Electrical Devices Purpose 10 1 1 Main Disconnect Circuit Breaker Protection of Equipment 10 1 2 Thermal Fuse Protection of Equipment...

Страница 120: ...ing tray The humidifying heater evaporates it to humidify the test area Humidity Fluctuation The variation between the mean maximum humidity around the geomet ric center of the chamber Not the same as...

Страница 121: ...53 TEMPERATURE PULL DOWN RATE Temperature Range The range of temperatures that can be reproduced inside the chamber Temperature Uniformity The difference in temperature between the geometric center of...

Страница 122: ...Relative humidity is calculated from this temperature and the air temperature measured by a dry bulb sensor Wet Bulb Wick The cloth draped over a wet bulb temperature sensor It absorbs water and keep...

Страница 123: ...py of recorder chart or test data if available Upon receipt of this information the Customer Support Department will arrange for appropriate service Certain types of service during the warranty period...

Страница 124: ...rriers or private transportation unless ESPEC contractually assumes the risk of damage to the equipment during shipment 3 Defects damages or malfunctions caused by parties other than ESPEC including b...

Страница 125: ...mber 2 2000 Rev 1 07 April 25 2001 Rev 1 08 July 3 2001 Rev 1 09 October 11 2001 Rev 1 10 December 11 2001 Rev 1 11 February 22 2002 Rev 1 12 April 1 2002 Rev 1 13 October 16 2002 Rev 1 14 December 20...

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