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items for any reason. When applying for authorization, have the model and serial

number handy, including data regarding the reason for return. For your protection,

items must be carefully packed to prevent damage in shipment and insured against

possible damage or loss.

Jenco

will not be responsible for damage resulting from

careless or insufficient packing. A fee will be charged on all authorized returns.

【

Note

】

: Jenco

reserves the right to make improvements in design, construction

and appearance of our products without notice.

Jenco Instruments, Inc.

7968 Arjons Drive, Suite C

San Diego, CA 92126

USA
TEL: 858-578-2828

FAX: 858-578-2886

E-Mail: [email protected]; [email protected]

Website: www.jencoi.com

Содержание 3331

Страница 1: ...Operation Manual MODEL 3331 Microcomputer Based Conductivity Resistivity Transmitter JENCO ELECTRONICS LTD MANUFACTURER OF PRECISION INSTRUMENTS...

Страница 2: ...E JENCO MODEL 3331 3 A Mounting procedure 3 B Front panel 5 C LCD screen 7 D Rear connectors 8 E Measure mode 10 F Setting mode 11 G Conductivity Resistivity calibration mode 18 H 4 20mA output 18 ERR...

Страница 3: ...een The model 3331 microprocessor performs a self diagnostic routine every time you turn on the unit it will provide you with basic information on the stability of the instrument The model 3331 has an...

Страница 4: ...ONS 45 0 1 772 92 0 3 622 0 813 0 032 0 61 0 024 0 00 0 000 0 000 0 000 DRAWING 1 1 Make a cutout on any panel with a thickness of 1 16 inch 1 5mm to 3 8 inch 9 5mm Refer to DRAWING 1 Mounting Bracket...

Страница 5: ...DRAWING 3 3 Replace the mounting bracket assembly onto the controller and secure the controller to the mounting panel Refer to DRAWING 3 Note If the equipment is used in a manner not specified by the...

Страница 6: ...e this key will switch the display in sequence from Conductivity Temperature and back to Conductivity again or from Resistivity Temperature and back to Resistivity again 1b In the Calibration Setting...

Страница 7: ...alibration mode 3 DOWN key 3a In the Calibration mode pressing this key will decrease the numeral increment In the Setting mode pressing this key will show the next possible option and decrease the nu...

Страница 8: ...screen uS CAL mA MAN M mS ATC 1 2 3 4 5 6 9 8 7 1 Major LCD display 2 CAL This icon will be displayed if the meter is in the Calibration Setting mode 3 mA This icon when displayed indicates the meter...

Страница 9: ...lay 6 uS Unit indicator 7 ATC This icon will be displayed when a temperature probe is connected 8 MAN This icon will be displayed if no temperature probe is not connected 9 mS Unit indicator D Rear co...

Страница 10: ...the EARTH connector is connected to the earth lead of the AC power line 2 Set the proper load to the 4 20mA output connector Make sure that the load impedance is less than 500 Ohms Note 1 Make sure t...

Страница 11: ...nductivity Temperature or Resistivity Temperature MODE mS ATC ATC M ATC ATC MODE MODE MODE or 1 Conductivity Current conductivity of the solution 2 Resistivity Current resistivity of the solution 3 Te...

Страница 12: ...ature compensation select ENTER Temperature coefficient select MAN CAL ATC CAL ENTER ENTER Pressing UP key or DOWN key in this screen will cycle the display between 01 Thermistor 10k ohm 02 Manual mod...

Страница 13: ...ation select probe Basic cell constant select ENTER ENTER ENTER CAL CAL Pressing UP key or DOWN key in this screen will cycle the display between E2 00 E0 00 above Select the preferred coefficient pre...

Страница 14: ...t Range select ENTER ENTER ENTER ENTER CAL CAL CAL Pressing UP key or DOWN key in this screen will cycle the display from C1 00 C0 10 to C0 01 basic cell constant above Select the preferred basic cell...

Страница 15: ...M Basic cell K is C0 01 or CF01 0 00 19 99uS cm CF02 0 0 199 9uS cm Basic cell K is C0 10 or CF01 0 0 199 9uS cm CF02 0 1999uS cm CF03 0 00 19 99mS cm Basic cell K is C1 00 above Select the preferred...

Страница 16: ...15 4mA output setting ENTER ENTER ENTER CAL CAL CAL 4mA output setting ENTER ENTER ENTER ENTER CAL CAL CAL CAL...

Страница 17: ...ers select 20mA output setting ENTER ENTER CAL CAL mA pH Pressing UP key or DOWN key in this screen to adjust the 4 mA value this value is used for scaling the 4 20mA analog output Pressing ENTER key...

Страница 18: ...put setting Measure mode ENTER ENTER CAL CAL mA pH Pressing UP key or DOWN key in this screen to adjust the 20 mA value this value is used for scaling the 4 20mA analog output Pressing ENTER key to sa...

Страница 19: ...ductivity resistivity reading will display Rinse the conductivity probe in distilled water and immerse it into the standization solution Allow temperature reading to stabilize press UP key or DOWN key...

Страница 20: ...TPUT to one reading at a time The user can change this anytime by changing option at the Calibration Setting mode screen The analog output will be restricted on the 4 mA setting 20 mA setting and the...

Страница 21: ...mA U20mA The analog output is based on the following equation mA output 4mA 16mA D U4mA U20mA U4mA Where mA output analog output D current bound display U4mA user setting for 4 mA for current bound di...

Страница 22: ...on s OvEr 10 0 120 0 C Measure mode Reading is over the specified range Change range to higher level Undr 10 0 120 0 C Measure mode Reading is under user specified range Change range to lower level Im...

Страница 23: ...No temperature sensor Adjust the manual temperature to 10 120 C OvEr Undr Measure mode a Temperature 10 0 C Bring standization solution to higher temperature Replace temperature probe b No temperature...

Страница 24: ...FS 1 digit 0 01 0 00 19 99uS cm 0 000 1 999M 0 01uS cm 0 001M 0 5 FS 1 digit 0 10 0 00 19 99uS cm 0 01uS cm 0 5 FS 1 digit 0 10 0 0 199 9uS cm 0 1uS cm 0 5 FS 1 digit 1 00 0 0 199 9uS cm 0 1uS cm 0 5...

Страница 25: ...efficient 2 00 or 0 00 user selectable Temperature Temperature sensor Thermistor 10k ohm at 25 C User selectable Manual 4 20 mA output Current output range 4 to 20 mA isolated Current output scale use...

Страница 26: ...lt of abuse or misuse within the year period please return freight prepaid and the correction of the defect will be made free of charge If you purchased the item from our Jenco distributors and it is...

Страница 27: ...ble damage or loss Jenco will not be responsible for damage resulting from careless or insufficient packing A fee will be charged on all authorized returns Note Jenco reserves the right to make improv...

Страница 28: ...TEL 886 2 2345 6188 FAX 886 2 2345 6791 E Mail sales jenco com tw Website www jenco com tw Shanghai Jenco Instruments Ltd 18 Wang Dong Zhong Road Sijing Town Songjiang Shanghai China TEL 86 021 5761...

Страница 29: ...28 2013 3 22 3331 3331 E 02 2013 03 22 02...

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