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The base unit functions as a host for the Quick-Select pressure

and temperature modules. The base unit includes two bays for

installation of pressure or temperature modules, an LCD graphic

display with back light, a key pad, a USB micro B receptacle for

communication with a PC, an SD memory card slot and banana

jack connections for DC voltage supply and signal monitoring.

The enclosure is rated to IP65 water resistant.

When pressure and or temperature modules are installed and

the base unit is powered on, it will briefly display the brand name,

data regarding installed modules. Then the HHC will go into mea-

surement mode where it will display up to three values as well as

their respective engineering units of measure. The base unit is

pre-programmed with twelve units of pressure measurement, four

units of temperature measurement, DC voltage 0-30 VDC, DC

current 0-20 ma and also allows the user to program a custom

pressure unit of measure. In measurement mode, the display will

show Battery status, USB connection status, one or two vertical

bar graph indicators indicating percentage of full scale pressure

and other user interface and warning messages when applicable.
The calibrator is equipped with internal memory capable of

storing up to 16,000 records. Datalogs can be transferred to an

optional on board SD memory card to clear internal memory and

allow further data collection. Datalogs can be transferred to a PC

from the SD card and are presented in .csv files which can be

opened by Microsoft Excel software.

-0.12

in H 2 0

0.000

volts

-0.001

PSi

POWER

MENU KEY

CH1 MODULE-
ENGINEERING UNITS

CH2 MODULE
READING

CH2 MODULE/
BAR GRAPH

CH1 MODULE-
BAR GRAPH

SD CARD
INDICATOR

USB INDICATOR

24VDC
POWER SUPPLY
INDICATOR

UNIT OF PRESSURE

CH1 MODULE
READING

ZERO FUNCTION

BACK LIGHT

TARE/
RIGHT ARROW

FLIP DISPLAY/
DELETE

ESCAPE

DAMPING/
LEFT ARROW

MILLIAMP/VOLT
SELECT INSERT

VOLT/MILLIAMP
INDICATOR

EXTERNAL
VOLT/MILLIAMP
READING

USB/BATTERY
POWER INDICVATOR

MIN/MAX FUNCTION/
DOWN ARROW

PORT SELECT/
UP ARROW

DATA STORE/
ENTER

CHANNEL 1
MODULE

CHANNEL 2
MODULE

SECTION 4

BASE UNIT OVERVIEW

Содержание ATE-2

Страница 1: ...i I M002 10233 ASHCROFT ATE 2 Operation and Maintenance Manual 0 0 5 4 P S I 0 8 6 i n H 2 0...

Страница 2: ...ii...

Страница 3: ...Programming Date and Time 26 ii Programming Owner Name 27 iii Program Auto Off and Back Light Timers 27 c Engineering Units Selections 28 d H2O Temperature Conversion Selection 29 e Programing User De...

Страница 4: ...Driver Installation 56 iii Terminal Set Up 58 iv Inquiry Mode 59 v Journal Mode 60 vi ISO 1745 Mode 60 n Calibrate Base Unit 60 o Pressure Module Calibration 66 Section 16 Appendices A Conversion Fac...

Страница 5: ...terchangeable Quick Select modules Allow for field recalibration of base unit and pressure modules Provide power to devices from an internal 24Vdc loop supply non I S only Terms used in this manual HH...

Страница 6: ...in accordance with industry codes and safety practices to avoid the possibility of misuse or misapplication which could result in personal injury or property damage Personnel responsible for selection...

Страница 7: ...e connecting or disconnecting a pressure module Always use proper tools to avoid damage to pressure measurement modules Use a wrench to hold the module manifold and a second tool to tighten the mating...

Страница 8: ...uipment accessory part number 101C225 01 USB protection device is to be inserted between the HHC USB port and the non assessed apparatus Do not power the calibrator by USB cable in a hazardous area th...

Страница 9: ...ard system consists of a base unit and one or two Quick Select modules Quick Select pressure modules are available in over 50 standard pressure ranges in gauge absolute vacuum and compound ranges capa...

Страница 10: ...W X 3 8 H Weight 2 4 pounds includes two modules installed Case Material High Impact PC ABS with rubberized sections Sensor Module Capacity 2 hot swappable modules are fully recognized automatically D...

Страница 11: ...Min Max Tracking X Data Logging w auto start auto stop X Field Calibration Base Unit and pressure modules X Passcode Lock X Selectable Eng Units 12 pre programmed and 1 user defined X Trip Detect Dead...

Страница 12: ...In measurement mode the display will show Battery status USB connection status one or two vertical bar graph indicators indicating percentage of full scale pressure and other user interface and warni...

Страница 13: ...eb site HHC Secure will generate the HHC s unique pass codes based on user input of the base unit serial number Make a note of these pass codes Owner Pass code_______________________________ Calibrati...

Страница 14: ...re high pressure measurement devices They are sin gle port modules based on sensors capable of measuring gauge absolute compound or vacuum with ranges spanning from vacuum to 5 psi to 10 000 psi All w...

Страница 15: ...tection modules AM2 XS are used to protect unused sensor bays in the base unit from moisture or other contamina tion ingress as well as EMI RFI interference Calibration Module AM2 CM allows the operat...

Страница 16: ...artment loosen the strap assembly by detaching the Velcro connection and move the strap to the side to allow access to the Phillips head screw on the battery cover door 2 Open the battery compartment...

Страница 17: ...above Removal of Quick Select modules 1 Hold the base unit in one hand with the keypad side DOWN 2 Press the locking tab DOWN to release the module 3 Grasp the Quick Select module to be removed in th...

Страница 18: ...be sure to connect the pressure to be measured to the high pressure port on the Quick Select pressure module Note When making connections to pressure ports on Quick Select modules always use proper t...

Страница 19: ...les to apply various functions In MENU Mode to incre ment a selected parameter up once per press To switch back light on and off To adjust damping level of installed module s in Mea surement Mode In M...

Страница 20: ...fault values are Channel 1 Channel 2 Ext and the engineering unit of measure Up to 16 000 records can be recorded Data records are grouped in Datalogs which can be manually initiated or automatically...

Страница 21: ...Mode 1 Press DAMP key 2 Press PORT SELECT key to choose Channel 1 Channel 2 or both modules 3 Press RIGHT ARROW and LEFT ARROW to move cursor to desired damping level 16 possible positions 4 Press EN...

Страница 22: ...isplays will indicate actual percentage of full scale pressure not the tare value When the HHC is in tare mode the word tare will appear below the engineering units There are two methods to select a t...

Страница 23: ...DOWN ARROW keys to advance numeric values When desired tare value is displayed Press ENTER The HHC will enter Measurement Mode Select Automatic Tare Mode Note that the default tare mode is Automatic T...

Страница 24: ...to monitor either DC milliamp current 0 22 mA or DC voltage 0 33 Vdc Use of this feature requires connection to the voltage or current source via the 4mm Banana Jacks located above the units LCD Note...

Страница 25: ...ximately 1 0 V and 0 03 mA will be measurable this voltage and current is not adequate to drive most loads Loop Power Overload and Reset The 24v loop supply is rated to source up to 35 mA of current O...

Страница 26: ...ower the HHC on with the power key Base unit will not be damaged however warning messages will not be displayed If the user correctly removes the excessive load and resets the loop supply successfully...

Страница 27: ...t into the HHC to prevent a user from accidentally changing parameters or deleting information Be aware that there are functions such as erasing Datalog memory that are permanent and cannot be restore...

Страница 28: ...it or need to be reprogrammed very infrequently These parameters include date time of day Owner and auto off timers Note Date and time will need to be reprogrammed following factory replacement of the...

Страница 29: ...cters When the Owner name is correct press ENTER The HHC will save and exit to Measurement Mode The HHC has two programmable auto off timers designed to maximize battery life The Power Off timer will...

Страница 30: ...nits Press MENU key Press DOWN or UP ARROW key to highlight Units Press ENTER Press DOWN or UP ARROW key to highlight Select Units Press ENTER Press DOWN or UP ARROW key to highlight Channel 1 Module...

Страница 31: ...t 4 Deg C 60 Deg F or 20 Deg C Press ENTER to select temperature and exit to Measurement Mode If one of the preprogrammed engineering units of pressure mea sure is not acceptable the user can program...

Страница 32: ...value is displayed in proper decimal position press ENTER to accept HHC will save the value and exit to Measurement Mode The user defined unit of measure name will now appear in the list of engineerin...

Страница 33: ...lower case alpha characters Use the left and RIGHT ARROWs to move the cursor When tag name is displayed as desired press ENTER Display will return to the Select Channel MENU Choose another channel to...

Страница 34: ...rate changes are based on the number of inputs installed in the base unit The sample rate increase 0 1 seconds per input 0 1 0 2 or 0 3 seconds The actual interval must be an even multiple of this val...

Страница 35: ...n be reviewed on the HHC display Review Datalogs Press MENU key Use DOWN or UP ARROW to highlight Datalog Press ENTER Press DOWN or UP ARROW to highlight Review data Press ENTER Select datalog screen...

Страница 36: ...successfully a message reading Exported logs to SD will appear briefly before the HHC returns to Measurement Mode Datalogs will appear in a folder on the SD card labeled DATALOGS If a new or formatte...

Страница 37: ...red electrical set up should be configured to provide the necessary signal levels per the wiring diagrams presented in section 14j Note Switch test requires slow changes in process pressure See dampin...

Страница 38: ...indicated by Setup is now complete and switch testing can begin Depending on the options chosen above either apply additional pressure or release pressure slowly Note depending on number of modules i...

Страница 39: ...n selected engineering units that is being applied to the device under test This is the standard against which the device under test is being compared Output from the transducer under test in output u...

Страница 40: ...e source such as a hand pump regulated clean shop air or dry nitrogen is required to apply pressure to the device under test and the HHC pressure module Note See section 14j for wiring diagrams If usi...

Страница 41: ...sired numeric value is displayed in proper decimal position Press left or RIGHT ARROW to move cursor beneath the next digit to be programmed When desired Zero input value is displayed on screen for ex...

Страница 42: ...ammable parameter Use DOWN or UP ARROW to highlight Output range Note Typically this is the output range of the device under test For this example the unit under test has 0 6Vdc output Use DOWN or UP...

Страница 43: ...etric pressure from an absolute pressure module to the measured pressure from a gauge or differential pressure This capability can use gauge measurement Quick Select pressure modules for absolute pres...

Страница 44: ...essure calculation The HHC can be used with most standard RTD Resistive Tem perature Detector probes to provide precision temperature mea surements An XXX RT1 or XXX RT2 Quick Select module is needed...

Страница 45: ...ended for optimum accuracy RTD probes provided by this manufacturer are of the four wire configuration To select RTD probe characteristics Install an RTD Quick Select Module and Probe in the HHC Base...

Страница 46: ...een Use DOWN or UP ARROW to highlight Apply Press ENTER Programmed settings are saved to memory and HHC returns to Measurement Mode with RTD operating as programmed above Note The maximum resolution t...

Страница 47: ...easurement can be selected including Engineering units or direct millivolt readout for any type of ther mocouple Choice of internal or external reference junction Selectable resolution or automatic re...

Страница 48: ...Use DOWN or UP ARROW to highlight Auto manual ref Press ENTER Use DOWN or UP ARROW to highlight Auto or Manual By selecting the Auto mode the calibrator will utilize the internal thermistor resistor...

Страница 49: ...steps outline the process of updating the HHC s firmware 1 Install the FDTI USB Driver on the Host PC 2 Install the HHC Firmware updater on the Host PC 3 Download the HHC Firmware Image to the Host PC...

Страница 50: ...48 SECTION 15 l FIRMWARE UPDATE CONT...

Страница 51: ...49 SECTION 15 l FIRMWARE UPDATE CONT...

Страница 52: ...mode using the following steps Press MENU key Press DOWN or UP ARROW key to highlight Setup Press ENTER Press DOWN or UP ARROW key to highlight System Press ENTER Press DOWN or UP ARROW key to highlig...

Страница 53: ...it scans your computer and presents a list of available COM Ports If you do this before and after connecting the USB cable to the HCC you should see an extra com port with the HHC connected Select th...

Страница 54: ...ected you most likely have the wrong COM port or the device is not in the Firmware Update mode If unsure of the correct COM port number disconnect the USB cable from the PC then reconnect to have the...

Страница 55: ...53 SECTION 15 l FIRMWARE UPDATE CONT Note The File Transfer can take up to 15 Minutes...

Страница 56: ...the pro cess has completed You can verify the update was successful by powering on the HHC base unit and noting the new firmware revision number displayed during boot up and in the about this HHC MENU...

Страница 57: ...data and units for the Channel 1 Channel 2 modules as well as the external input mA V Each item is delimited by a space character The items will be the same as are enabled on the HHC display CH1 Modul...

Страница 58: ...the USB protection adapter must be used to connect the HHC to a PC s USB port Failure to install the USB protection adaptor can result in damage to the electronics which could render the HHC no longe...

Страница 59: ...Click Browse and navigate to the drive with the memory stick then click Next Windows will install the driver Once complete an HHC will enu merate as a Communications Port on this computer The driver...

Страница 60: ...oftware must be set to the com port number shown in Device Manager This Com Port appears only while the HHC is connected Configuration Settings to use 9600 8 Data Bits 1 stop No Parity No handshaking...

Страница 61: ...rigger data being collected from the HHC each time the character is pressed The default character from the factory is the carriage return Enter Key on a PC keypad Upper case and lower case characters...

Страница 62: ...esired value The minimum sample rate changes are based on the number of inputs installed in the base unit The sample rate increase 0 1 seconds per input 0 1 0 2 or 0 3 sec onds The actual interval mus...

Страница 63: ...ccuracy specification four times the specification of the HHC base unit The voltage and current stan dard is needed both for documenting calibration data as well as the recalibration procedure The ins...

Страница 64: ...1 Connect the negative lead of the voltage standard to the black ringed COM input jack 2 Connect the positive lead of the voltage standard to the red ringed 0 33Vdc In jack 3 Power on a voltage stand...

Страница 65: ...verification is performed through Channel 1 module bay Calibration values for both module bays are verified and programmed via Chan nel 1 Functionality of Channel 2 bay is verified by install ing a p...

Страница 66: ...check HHC Base Unit Field Calibration Procedure Base unit recalibration is a firmware based menu driven pro cedure that provides prompts on the HHC display directing the operator to apply precision v...

Страница 67: ...000 volts then 12 POWER DOWN THE VOLTAGE STANDARD AND DISCON NECT THE VOLTAGE STANDARD FROM THE CALIBRA TION MODULE 13 Connect the negative lead of the voltage standard capable of delivering up to 10...

Страница 68: ...ONNECT FROM THE INPUT TERMINALS NOTE If you wish to abort this process and not change the present calibration coefficients press ESC and then MENU to return to the main menu 29 The HHC Base will promp...

Страница 69: ...he stated accuracy of the pressure module It is recommended to have the pressure standard accuracy 4 times better than the accuracy of the calibrated module PRESSURE MODULE FIELD CALIBRATION PROCEDURE...

Страница 70: ...pressure types Absolute Absolute Zero using vacuum pump Gauge Open to atmosphere vent Compound Open to atmosphere vent Differential Open both ports to atmosphere vent Vacuum Open to atmosphere vent I...

Страница 71: ...ent 0 025 0 07 standard accuracy 11 points approximately 10 increment 0 1 standard accuracy 6 points approximately 20 increment 0 25 standard accuracy 5 points approximately 25 increment The first lin...

Страница 72: ...commands will return the system to a pressure measuring mode This will work in any part of the process except when the data is being acquired The data inquiry can be aborted by pressing the MENU key t...

Страница 73: ...802 0 073425 1 864995 0 080986 inH 2 O 60 F 0 036091 0 002537 0 24884 0 000249 0 002488 2 4884 0 999028 1 000782 1 25 37532 2 541986 2 54 2 537532 0 254199 0 254 0 073482 1 866453 0 081049 cmH 2 O 4 C...

Страница 74: ...r wall supply if available or power another USB device USB PORT Plug the PTE 2 into the USB port of a PC If the unit fails to power up either the USB port is faulty the cable is bad or the HHC has fai...

Страница 75: ...Vdc Out and the COM jacks and measure the output If the icon is on the display and the 24Vdc output is there 24V 5 volts then the HHC is operational and the system set up is faulty Check the set up If...

Страница 76: ...the input current measure ment is selected from the keypad by pressing the mA V key in the lower left hand corner of the key pad Multiple presses of the key will rotate through Volts mA and pressure o...

Страница 77: ...itialize display subsystem Failed to initialize ADC subsystem Failed to initialize module subsystem Failed to initialize keypad subsystem Failed to initialize periodic checks subsystem Failed to initi...

Страница 78: ...nt datalog can take no more records start a new datalog Operation Warnings CH1 zero out of bounds CH2 zero out of bounds input pres sure is too high to be zeroed CH1 not a pressure mod CH2 not a press...

Страница 79: ...ge input was not enabled prior to initiating switch test The HHC has automatically enabled voltage input monitoring Sw Test forced mA in mA input was not enabled prior to initiating switch test The HH...

Страница 80: ...logs 31 Get CH1 unit Returns CH1 units index 32 Get CH1 module reading Returns an ASCII string representing the CH1 reading 36 Get CH2 units Returns CH2 units index 38 Force channel to user units Para...

Страница 81: ...79 APPENDIX D RTD PROBE CONNECTOR 2 WIRE RTD TA4F 1 2 3 4 3 WIRE RTD TA4F 1 2 3 4 4 WIRE RTD TA4F 1 2 3 4 PIN FUNCTION 1 2W 2 4W 3 4W 4 2W SWITCHCRAFT TINI QG TA4F SECTION 16 d APPENDIXD...

Страница 82: ...5 0 5 0 0 16 500 to 999 3 0 3 0 0 08 1000 to 1820 1 2 1 2 0 04 N 250 to 226 4 3 5 7 0 14 225 to 101 2 1 2 8 0 07 100 to 1300 1 0 1 4 0 02 Conversion Factors to convert C specifications to other units...

Страница 83: ...epair or replace its product part of work at the original f o b point of delivery or ii refund an equitable portion of the purchase price C THE FOREGOING IS SELLER S ONLY OBLIGATION AND BUYER S EXCLUS...

Страница 84: ...Willy Instrumentos de Medi o e Controle Ltda An Ashcroft Inc Company Rua Jo o Pessoa 620 S o Caetano do Sul S o Paulo Brazil 09520 000 Tel 55 11 4224 7400 Fax 55 11 4224 7477 vendas ashcroft com www...

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