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Cole Parmer pH 550, Руководство по эксплуатации

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Cole Parmer pH 550 Скачать руководство пользователя страница 3

 
 

 

3

 

 

I.    INITIAL INSPECTION   

 
Carefully  unpack  the  instrument  and  accessories.  Inspect  for 
damages  made  in  shipment.  If  any  damage  is  found,  notify  your 
Cole-Parmer  representative  immediately.  All  packing  materials 
should be saved until satisfactory operation is confirmed. 

 
MOUNTING PROCEDURE 

 

1. Make a cutout 
on any panel, with 
a thickness of 1/16 
in. (1.5 mm) to 3/8 
in. (9.5mm). 
2. Remove the 

mounting 
assembly from 
the controller 
and insert the 
controller into 
the cutout. 

3. Replace the 

mounting 

bracket assembly onto the controller and secure the controller to 
the mounting panel. 

 
Warning : 

If the equipment is used in a manner not specified by the 
manufacturer, the protection provided by the equipment may be 
impaired. 
 

Cleaning the instrument : 

3.66"

0.04
0.00

93.00mm

▒

1.00

0.00

93.00mm

▒

3.66"

0.00

0.00

1.00

0.04

0.04"R(1.0mm) MAX.

PANEL CUTOUT DIMENSIONS

 

Содержание pH 550

Страница 1: ...ANUAL pH 550 Cat No 0580218 MICROCOMPUTER BASED pH Temperature CONTROLLER 625 East Bunker CT Vernon Hills IL 60061 1844 Phone 800 32 4340 Fax 847 247 2929 E mail info coleparmer com www coleparmer com 06 0012Rel1 ...

Страница 2: ...age 13 Step by step pH Calibration 14 d pH CONTROL SETTING page 15 e pH CURRENT SETTING page 16 f TEMP CURRENT SETTING page 16 g TEMP CONTROL SETTING page 17 V CONTROLLING THE RELAYS 18 A ISOLATION VOLTAGE 18 B OUTPUT LOAD 18 C RELAY ACTION SET POINT HYSTERESIS 18 D pH RELAYS 19 E TEMPERATURE RELAY 20 VI 4 20 mA OUTPUT 20 A ISOLATION VOLTAGE 20 B OUTPUT LOAD 20 C pH TEMP LINEAR OUTPUT 20 D pH ANTI...

Страница 3: ...h a thickness of 1 16 in 1 5 mm to 3 8 in 9 5mm 2 Remove the mounting assembly from the controller and insert the controller into the cutout 3 Replace the mounting bracket assembly onto the controller and secure the controller to the mounting panel Warning If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Cleaning the in...

Страница 4: ...e you turn on the unit providing you with basic information about the stability of the instrument The system simultaneously displays pH Temperature Alarm status and current output in one LCD graphic screen The LCD also includes a backlight for dark environments This system uses glass electrode for the pH and a precise thermistor for temperature providing you with accurate readings for all your mea...

Страница 5: ... move you back to the previous parameter 2 The CAL VIEW key 2a Pressing this key for about two seconds during main display mode will switch to Calibration Setting mode 2b During Calibration Setting mode this key will switch to the next available Calibration Setting page Pressing this key at the last User Calibration page will return the user to the main display mode 3 The UP key During Calibration...

Страница 6: ...o key activity within two minutes 7 LCD screen B MAIN DISPLAY MODE 1 pH mA OUT this will display the output of the pH 4 20 mA circuit 2 TEMP mA OUT this will display the output of the Temperature 4 20 mA circuit These two current outputs at power on will show OFF for about three seconds before going to main display mode After exiting the Calibration Setting pages a FROZEN message will be displayed...

Страница 7: ... relay 3 annunciator function is same with RELAY 1 7 H4 High action relay 4 or L4 Low action relay 4 annunciator this is the status of the Temperature Relay 4 if this is displayed then the Relay is ON H4 means the relay action is HIGH while L4 means the relay action LOW 8 pH Display 9 Temperature Display C REAR CONNECTORS Before wiring the probes relays analog output RS485 and power cord be sure t...

Страница 8: ...tput connector Make sure that the load impedance is less than 500 Ohms 4 A 5VDC and 5VDC max 20mA for each output to provide excitation voltage for pH pre amplifier CAUTION MAKE SURE YOU CONNECT THE AC POWER CORD TO THE CORRECT AC TERMINALS CONNECTING INCORRECTLY MAY DAMAGE THE UNIT PERMANENTLY D TURNING ON OFF THE INSTRUMENT By just plugging the unit to a correct AC voltage the unit will be ready...

Страница 9: ...ready to make pH calibration or measurements Just immerse the probes halfway to the buffer or liquid If possible do not allow the probes to touch any solid object in the buffer or solution There should be no air bubbles around the probes either Shaking or moving the probes vigorously before recording any measurement will dislodge any bubbles formed in the probes IV MODEL pH 550 MODES A MAIN DISPLA...

Страница 10: ...ETTING MODE Pressing the CAL VIEW key for about two seconds during main display mode will bring up the first page of seven pages of the Calibration Setting mode Pressing CAL VIEW key will switch to the next page until the last page where pressing CAL VIEW again will return the user to main display mode Upper drawing is a simple flowchart showing the path of the CAL VIEW k ...

Страница 11: ...ion you made you need to press the ENTER key to save the changes and move to the next option 6 If you don t need to change the current blinking option just press the ENTER key to move to the next selection 7 You also can press and hold MODE key for two seconds and it will move back the cursor to the previous option a PASSWORD CHECK You will only see this page if the unit is password locked To chan...

Страница 12: ...ocked This page is just a WARNING telling you that all relays are frozen and that you can calibrate and change the settings NOTE FROZEN MEANS ALL THE RELAYS AND THE ANALOG OUT WILL MAINTAIN THEIR LAST STATE UNTIL THE USER RETURNS TO MAIN DISPLAY MODE c pH CALIBRATION ATC TEMP the current temperature of the solution 1 BUFFER 1 in this option you can select which buffer to use for the standardizatio...

Страница 13: ...FFER 2 See Step by step pH Calibration EFFICIENCY After saving the SLOPE a new efficiency will be displayed for about 4 seconds and then will move to the next page Efficiency new slope ideal slope x 100 We recommend that you use a new electrode if the electrode efficiency is lower than 80 Step by step pH calibration 1 Press the CAL VIEW key to go to pH Calibration page If the unit is password lock...

Страница 14: ...8 Clean the pH electrode and temperature probe with the de ionized distilled water 9 Place the pH electrode and Temperature probe into buffer 2 10 Press the key A WAIT message will blink indicating that the instrument is waiting for a stable reading The display will be locked to the buffer value corresponding to the temperature of buffer 2 See IX pH Buffers When a stable reading is reached the uni...

Страница 15: ...nge the blinking digit use the MODE key to select another digit and the key to save the new set point value 2 HI or LO RELAY 2 function setting procedures same with RELAY 1 3 HI or LO RELAY 3 function setting procedures same with RELAY 1 4 HYSTERESIS value this is the actual value of the hysteresis You can change this value from 0 00 pH to 3 99 pH See chapter V CONTROLLING THE RELAYS e pH CURRENT ...

Страница 16: ...alue will be used in conjunction with the 4 mA value to plot the output See chapter VI 4 20 mA OUTPUT The current output detailed see section C pH TEMP LINEAR CURRENT OUTPUT on page 20 g TEMP CONTROL SETTING 1 RELAY 4 the temperature has only one relay to control you need to set what action it will use HIGH or LOW action In HIGH action the relay will turn ON if the temperature is greater or equal ...

Страница 17: ...is is your security code if the unit is locked the value here will not be available You need to input the correct code in the PASSWORD CHECK page CAUTION The user is responsible in remembering their password number otherwise you would no be able to calibrate or change the settings V CONTROLLING THE RELAYS A RELAY ISOLATION VOLTAGE The maximum isolation voltage of the relay output contacts is 1500 ...

Страница 18: ...esis value Dead Band If the relay action is set to HIGH the relay will turn ON at SET POINT and will turn OFF at SET POINT HYSTERISIS If the relay action is set to LOW the relay will turn ON at SET POINT and will turn OFF at SET POINT HYSTERISIS The figure above shows how the relays react to user set point hysteresis and reading Figure 1 ...

Страница 19: ...temperature display which has independent set point action see fig 1 setting HIGH or LOW and hysteresis value The action of the Temperature relay is dependent on set point relay action HIGH or LOW hysteresis value and the current Temperature display See fig 1 VI 4 20 mA OUTPUT A ISOLATION VOLTAGE The maximum isolation voltage of the 4 20 mA output is 500 VDC The voltage differential between the 4 ...

Страница 20: ... based on the following equations respectively mA pH 4mA 16mA D pH pH 4 pH 20 pH 4 mA Temp 4mA 16mA D Temp TEMP 4 TEMP 20 TEMP 4 Where mA pH mA Temp analog output D pH D Temp current pH Temperature display pH 4 TEMP 4 pH Temperature user setting for 4 mA pH 20 TEMP 20 pH Temperature user setting for 20 mA Note 1 The range for 4mA and 20mA settings is 0 00 to 14 99 in pH or 0 to 120 in temperature ...

Страница 21: ...he following equation mA pH 4mA 16mA 10 D pH 10 pH 4 10 pH 20 10 pH 4 Where mA pH analog output D pH current pH display pH 4 pH user setting for 4 mA pH 20 pH user setting for 20 mA Note 1 The range for 4mA and 20mA settings is 0 00 to 14 99 pH 2 The absolute difference of the 4mA and 20 mA settings must be mA pH DO pH Set Point Set Point 4mA 20mA 20mA 4mA Point Set Point Set pH pH DO mA mA pH Set...

Страница 22: ...receive data from the meter A sample source program in Visual Basic 6 0 is included in the accompanying disk B PREPARING THE METER This meter comes equipped with a 2 wire RS485 interface Just connect each terminal to the respective RS485 terminal on your PC If the DEMO program is not working try reversing the connections of the terminals After you have connected correctly the meter or multiple met...

Страница 23: ...n Replace electrode UNDR 0 0 60 0 C a pH Cal STAND b pH Cal SLOPE a Offset 7 00pH mV 100mV Offset 6 86pH mV 91 7 mV b New Slope ideal slope by 30 Use a new buffer solution Replace electrode UNDR 10 0 120 0 C pH pH 2 00 Under Range or Recalibrate EEPROM BAD During power on Unit has failed its EEPROM test Turn instrument OFF and back to ON again Return for service see Warranty ROM BAD During power o...

Страница 24: ...11 10 32 5 4 00 6 95 9 39 4 01 7 08 10 25 10 4 00 6 92 9 33 4 00 7 06 10 18 15 4 00 6 90 9 28 4 00 7 03 10 12 20 4 00 6 88 9 23 4 00 7 01 10 06 25 4 00 6 86 9 18 4 01 7 00 10 01 30 4 01 6 85 9 14 4 01 6 98 9 97 35 4 02 6 84 9 10 4 02 6 98 9 93 40 4 03 6 84 9 07 4 03 6 97 9 89 45 4 04 6 83 9 04 4 04 6 97 9 86 50 4 06 6 83 9 02 4 06 6 97 9 83 55 4 07 6 83 8 99 4 08 6 97 9 80 60 4 09 6 84 8 97 4 10 6...

Страница 25: ... Offset recognition 100 mV at pH 7 00 108 3 mV 91 7 mV at pH 6 86 pH Electrode Slope recognition 30 at pH 4 00 4 01 9 18 10 01 Input impedance 10 13 Ω Calibration point sensing Yes Excitation voltage 5VDC 20 mA max Temperature Temperature sensor Thermistor 10 00kΩ at 25 C 4 20mA Output Current output type pH Linear or Antilog user programmable Current output type Temp Linear Current output range 4...

Страница 26: ...AL Keys Audio feedback in all keys Security protect 4 digit password Communication RS485 Power Source 115VAC or 230VAC 50 60Hz Power consumption 6 watts Fuse 315mA 250V fast acting glass tube Ambient temperature range 0 0 to 50 0 C Display 128x64 graphic LCD w backlight Case IPT65 DIN case depth 148 mm Weight 950 g ...

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