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Valhalla Scientific 4314Ki, Руководство по эксплуатации

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29 

 

Calibration Procedure 

To perform calibration, you will need access to the main board of the device. Remove the top cover 

screens from the front panel and all four screws from the rear panel. Remove the top cover and replace 

the bottom two rear panel screws.  

 
VOLTAGE SENSE ADJUSTMENTS  

 

Connection: 

Apply voltage at Sense Inputs and short Source and Sense negative Terminals.  

On the main board press the CalSwitch (SW202) tact switch to initiate calibration routine. 

 

4314Ki Procedure: 

1.

 

Display will prompt: 

 

 

  

2.

 

Press SW202. Display will prompt: 

 

 

3.

 

Apply 0.000mV to the Voltage Sense and press SW202 on the Main Board. 

Display will prompt: 

 

 

 

 

4.

 

Apply -0.5mV and press SW202. 

Display will prompt: 

 

 

 

 

 

 

Содержание 4314Ki

Страница 1: ...2 0 2 1 V a l h a l l aS c i e n t i f i c A l l R i g h t s R e s e r v e d O p e r a t i o nMa n u a l Wi d e R a n g eD i g i t a l I g n i t e r T e s t e r R e v 6 7 1 4 3 1 4 K i...

Страница 2: ......

Страница 3: ...hese to determine appropriate warranty dates We will repair the instrument during the warranty period provided it is returned to Valhalla Scientific Inc freight prepaid No other warranty is expressed...

Страница 4: ...T perform procedures involving cover or shield removal unless you are qualified to do so DO NOT operate damaged equipment Whenever it is possible that the safety protection features built into this pr...

Страница 5: ...rent Failsafe Current 8 Accuracy 8 Temperature 9 General Specifications 9 Physical Specifications 9 4 Features and Operations 10 Introduction 10 Front Panel 10 Power Switch 10 Display 11 Range Selecti...

Страница 6: ...s 22 Safety Isolated RS 232 Interface 22 Connecting the 4314Ki via RS232 22 COMMANDS AND SYNTAX 23 DETAILS OF COMMAND REFERENCE 23 7 Routine Maintenance 28 General 28 Required Test Equipment 28 Precis...

Страница 7: ...5 8 Addendum 33...

Страница 8: ...ces Dual Power Mode and an Isolated Serial Interface Dual Power Mode offers the operator either 18 hours of battery life or a 24 7 continuous power mode with the ability to change via a key switch on...

Страница 9: ...atteries are charged by an external AC DC converter that plugs into a standard receptacle The AC adapter can accept an input voltage from 100 to 240 Vac 50 60Hz and an output of 9VDC 305mA The 4314Ki...

Страница 10: ...tandby Resolution 100 1m 10m 100m 1 10 100 1k Test Current 5mA 5mA 500 A 50 A 5 A 500nA 50nA 5nA 0A Fail Safe Current 1 8mA 8mA 1 8mA 180 A 18 A 1 8 A 180nA 18nA 1 Maximum value Actual Failsafe Curren...

Страница 11: ...ications Display Type 4 digits OLED 19999 Overload Indication Screen displays O L Conversion Rate 3 readings per second Terminal Configuration 4 Wire Kelvin Current Source Compliance Voltage Clamped a...

Страница 12: ...llouts Power Switch Battery Mode When the front panel power switch is placed in the OFF CHARGE position all power is removed from the output terminals and the battery pack is connected to the charging...

Страница 13: ...e is in battery mode Device has approximately 18 12 hours of charge left before low battery Indicates that the device is in battery mode Device has approximately 12 6 hours of charge left before low b...

Страница 14: ...ana plugs wires up to 12 AWG or spade lugs The four terminals provide full 4 Wire Kelvin measurement capability The right posts are the positive and negative current source terminals and provide the t...

Страница 15: ...The center pin of the connector is positive The charging requirements of the internal battery pack are 9VDC 300mA The device can however accept 6 to 9Vdc 300mA to 1 25A The correct charging voltage is...

Страница 16: ...only respond to a keypress a range select command or an identification query Dual Power Mode The 4314Ki introduces Dual Power Mode offering the operator either 18 hours of battery life or a 24 7 conti...

Страница 17: ...ries The batteries are charged only while the device is in battery mode and turned off Internal safety line isolation switch disables the battery charging circuit when the 4314Ki is ON All power is re...

Страница 18: ...314Ki bypasses this potential error source by providing two terminals of constant current and an additional two terminals for high impedance voltage measurement The result is a fast accurate resistanc...

Страница 19: ...rface of the load Press the second probe against the surface at the oppose side of your load making sure that the surface of the probe is in full contact with the surface of the load For hard to reach...

Страница 20: ...se terminals are shorted The display should indicate a stable reading when the test leads are securely attached to the device under test If the display appears to be erroneous when connected to a load...

Страница 21: ...ght of the display window Device has approximately 18 12 hours of charge left before low battery Device has approximately 12 6 hours of charge left before low battery Device has approximately 6 1 hour...

Страница 22: ...ur 1 2V cells installed in a reusable battery box When ordering replacement batteries please specify Valhalla Stock 05 10117 quantity four 4 Test Leads This section details the different test lead set...

Страница 23: ...type probes 2 wires to each point Surface Probes MP 4 Surface Probes These probes permit rapid repeatable bonding testing on a variety of screened or flat surfaces Test current is evenly distributed...

Страница 24: ...te 115200 baud Parity bit none Data bit 8 bits Stop bit 1 stop bit Data flow control none Notes for RS232 installation The 4314Ki is a DCE Data Channel Equipment device with a 9 pin D type shell RS232...

Страница 25: ...ueries must be typed as specified The 4314Ki is sensitive to the case of command characters Specifically the device uses the Camel Case DETAILS OF COMMAND REFERENCE Each command in this chapter will g...

Страница 26: ...Range 12 345 Example for 200 Range 123 45 Example for 2k Range 1 2345k Example for 20k Range 12 345k Example for 200k Range 123 45k Example for 2M Range 1 2345M Example for 20M Range 12 345M LogOn0 CO...

Страница 27: ...200k Range 123 45 crlf 200k Example for 2M Range 1 2345 crlf 2M LogOff COMMAND Stops continuous measurement mode Syntax LogOff crlf Response crlf Ohms QUERY Responds with the front panel reading form...

Страница 28: ...0M Ohms Range Reset COMMAND Executes a soft reset of the system Syntax Reset crlf Response crlf Serial QUERY Returns the Serial Number of the 4314Ki Syntax Serial crlf Response Serial Number string 67...

Страница 29: ...s Display data formatted exactly to the screen Example for a 1 1 ohm reading on 2 Range 1 1000 20 Range 01 100 200 Range 001 10 2k Range 0001 1 Standby COMMAND Returns meter to Powerup Screen No Curre...

Страница 30: ...Following is a list of the standard resistors and other equipment required to calibrate the 4314Ki Precision Resistors 1 0 01 Accuracy 1 0 005 Accuracy 10 0 005 Accuracy 100 0 005 Accuracy 1K 0 005 Ac...

Страница 31: ...wo rear panel screws VOLTAGE SENSE ADJUSTMENTS Connection Apply voltage at Sense Inputs and short Source and Sense negative Terminals On the main board press the CalSwitch SW202 tact switch to initiat...

Страница 32: ...30 5 Apply 5 0mV and press SW202 Display will prompt 6 Apply 9 0mV and press SW202 Display will prompt 7 Apply 75 0mV and press SW202 Display will prompt Voltage Sense Calibration is complete...

Страница 33: ...ard resistor No adjust Verify that display reading is within tolerance of the resistor value 9 If the 2 range is too low select R27 using a Resistance Decade Box 10 Select 20 range and connect to a 10...

Страница 34: ...314Ki are very durable and should provide years of trouble free operation As with all batteries a replacement will eventually be necessary Batteries may be ordered from Valhalla Scientific as stock 05...

Страница 35: ...material before attempting to operate your ohmmeter If no items follow this page your manual is complete as printed For repair and calibration services call 800 548 9806 or visit valhallascientific c...

Страница 36: ......

Страница 37: ...4314Ki Programmable Digital Igniter Tester User Manual Revision 67 1 2022 Copyright 2022 Valhalla Scientific Inc All rights reserved...

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