Introduction............................1 Verification of packaging items ......................1 Security Information..........................2 Precautions for Operation........................2 Chapter 1 Overview..........................4 1.1 Introduction..........................4 1.2 Performance characteristics......................4 1.3 Name and operation summary of each part..................5 1.4 Dimensions...........................7 1.5 Page Composition........................7 Chapter 2 Preparations Before Testing....................8 2.1 Preview of test process.........................8 2.2 Basic parameter setting process....................9 2.3 Inspection before measurement....................10 2.4 Connection of test leads......................10...
Introduction Thank you for choosing "JK2683B Insulation Resistance Tester" manufactured by Jinke Instrument. To get the best performance from your instrument, please read this manual first and keep it for future reference. Trademark Windows and Excel are registered trademarks of Microsoft Corporation in the United States or other countries.
--- 9800 RS232 communication cable --- Security Information The instrument is designed to meet IEC 61010 safety standards and has passed safety tests thoroughly before shipping. However, improper operation during use may cause injury or death and damage the instrument. Before use, make sure to read and understand this manual and the precautions specified in it.
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Operating temperature and humidity: 0 to 40 ° C, below 80% RH (non-condensing) Temperature and humidity range to ensure accuracy: 23 ± 5 ° C, below 80% RH (non-condensing) To avoid malfunction or damage to the instrument, do not place the tester in the following places Places subject to direct sunlight and high temperatures It will splash into places where liquid temperature is high and condensation occurs Exposed to dusty places...
Chapter 1 Overview 1.1 Introduction JK2683B insulation resistance tester is an instrument for testing the insulation resistance of components and equipment. Using constant voltage test method, the voltage output range is 25 ~ 1000 V, and the maximum output current is 1.8mA. It also has a contact anomaly detection function and a short circuit anomaly test function.
□ Four-end test • The instrument can detect abnormal test leads • The instrument can detect abnormal contact conditions of the measured object (to avoid misjudgment of open circuit) □ Short circuit detection • The instrument effectively detects short-circuit conditions to avoid direct application of high voltage to break through defective products and cause products □...
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Side Bottom Key Description: POWER instrument on / off key RESET TEST PAGE [Page switch key] Switch [Measurement display] <-> [Parameter Setting] <-> [System Setting] <-> [System Information] VOLTAGE SORTING EXIT Arrow keys [Arrow keys] for selecting menu items or setting values 6/25...
System settings interface System Information Interface Chapter 2 Preparation before testing 2.1 Preview of test process With the instrument turned off, follow the steps below to prepare for the test. 1. Power off the instrument and connect the test leads 2.
Ensure that the power cord is well grounded, which is conducive to the stability of the test. 3. Turn the power at the rear of the instrument to the "on" state At this time, the internal power of the instrument has been turned on, and the instrument is in standby state.
setting, set the test time (voltage output until the sorting output Time) → test mode setting, continuous mode / failure stop mode / pass stop mode / forced termination judgment mode → set the beep output mode 2.3 Inspection before measurement Before use, please confirm that there is no failure caused by storage and transportation, and use it after checking and confirming operation.
Chapter 3 Basic Settings For testing safety, read this chapter before testing. Note: During the test, all keys except the [STOP] key are valid. The user must wait for the test to end, or press the [STOP] key and send a test stop command to forcibly terminate the test. After the test process is terminated, the instrument can be set.
Manual range setting: Enter the parameter setting interface, press the up and down keys to display the range, press the right key to switch the range, and press the enter key to complete the setting. Even when the auto range function is turned on, the manual range switching is effective (when the auto range is turned on and the range is switched manually, the auto range function is automatically turned off).
3.4.2 Setting the high and low limits and sorting mode When the upper limit comparison mode is turned on 1. High limit setting 2. Low limit setting 3.5 Sounding mode of sorting results 1. Press the "PAGE" key to select the parameter setting interface 2.
Menu Meaning Sorting Ringer Off Pass When the test passes Fail when the test fail Note: • [L.FAIL] and [F.FAIL] light up at the same time when the test value and sorting value are out of the range and no valid judgment can be made. 3.6 Short-circuit detection function Short-circuit detection function is used to judge whether the DUT is short-circuited before the insulation test.
Menu Meaning Turn off short-circuit detection Turn on short-circuit detection 3.7 Group settings 1. Press the "PAGE" key to select the parameter setting interface 2. Select the relevant menu item Press the up and down keys to move the cursor to the group. Press the left and right keys to select the set value.
2 Select the relevant menu item Press the up and down keys to move the cursor to the set voltage. Press the left and right keys to select the set value. Press the key to complete the setting. The voltage measurement range is 25V ~ 1000V. Press the up and down keys to select the setting voltage, and the left and right keys to select the position for setting the value.
3.10 High-end open circuit setting 1. Press the "PAGE" key to select the parameter setting interface 2. Select the relevant menu item Press the up and down keys to move the cursor to the high-end open circuit. Press the left and right keys to select "Close"...
Menu Meaning Low-end open circuit switch off Low-end open circuit switch on 3.12 Serial switch setting 1. Press the "PAGE" key to select the system setting interface 2. Select the relevant menu item Press the up and down keys to move the cursor to the serial port switch. Press the left and right keys to select "Off"...
Baud rate selection 2400 ↔ 4800 ↔ 9600 ↔ 14400 ↔ 19200 3.14 U disk switch setting 1. Press the "PAGE" key to select the system setting interface 2. Select the relevant menu item Press the up and down keys to move the cursor to the U disk switch. Press the left and right keys to select "Close"...
Menu Meaning I / O port switch off I / O port switch on 3.16 Display language setting 1. Press the "PAGE" key to select the system setting interface 2. Select the relevant menu item Press the up and down keys to move the cursor to the display language. Press the left and right keys to select "Chinese"...
Chapter 4 Measurement This chapter describes the functions for correct measurement in stages, including the start test phase, test phase, test display phase, test completion phase, and discharge phase. 4.1 Start the test 1. Set the relevant parameters 2. Press the [START] key to trigger the test 3.
There are four modes classified by trigger mode: Trigger mode Meaning Terminate manually Press [TEST] to terminate the test manually Termination of external IO Termination test via external EXT.IO signal port Termination of external command Termination test by RS232, LAN port command EXT.SW port trigger Terminate test by external trigger switch on the panel Automatic termination.
Chapter 6 Parameters 6.1 General parameters General functions: Measurement function Insulation resistance Test range: 0Ω to 9000M Ω (5 ranges) Test voltage 25~1000V DC Max.Output current 1.8mA Connection abnormal High-voltage open-circuit “ContHi”, low-voltage open-circuit display “ContLo”, and output terminals are all open-circuit “ContHL” Short circuit abnormal “SHORT”...
6.2 Accuracy The following indicators test conditions: Temperature: 20 ± 3 ℃ Humidity: <80% RH Warm-up time of more than 15 minutes Calibration time within 1 year Voltage output: Voltage output range 25V~1000V DC Voltage output accuracy 1%±2V Voltage resolution Voltage readback accuracy 2%±1V Maximum charging current...
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