Digital Insulation tester Statement In accordance with international copyright law, no content of this specification may be reproduced in any form (including storage and retrieval or translation into other national or regional languages) without permission and written consent. This specification is subject to change in future editions without prior notice. Safety statement Caution The "caution"...
Digital Insulation tester Safety instructions The instrument is designed according to the safety requirements of the international electrical safety standard IEC61010-1 for electronic testing instruments. Meters are designed and manufactured in strict compliance with 1000V CAT III and pollution Level 2 of IEC61010-1. Warning To avoid possible electric shock or personal injury, please follow the following guidelines: Please strictly follow the instructions in this manual to use the instrument, otherwise the protection function...
Page 5
Digital Insulation tester Instrument introduction Panel description...
Digital Insulation tester Display symbol specification Symbol Description This is the indicator of low battery power. Please replace the battery in time when this symbol appears to avoid electric shock or personal injury caused by incorrect reading. HOLD The symbol for hold data COMP This symbol is displayed when the comparison function is enabled.
Page 7
Digital Insulation tester Symbol Description The dielectric absorption rate of the object under test is displayed during the insulation test The polarization index of the object under test is displayed during the insulation test MAX MIN Maximum value, minimum value measurement symbol TIMER The timing measurement function is enabled.
Page 8
Digital Insulation tester Symbol Description Automatic shutdown symbol Test voltage of insulation resistance Time units for timed measurements Units of measurement Other symbol No special definition Button description: ① The button: Press this button briefly to save the data. Press and hold this button to enter data reading mode.
Page 9
Digital Insulation tester Rotary switch specification: Position Function Turn off the meter power. 100V Insulation resistance gear; Test voltage 100V; The insulation resistance is less than 1G. 250V Insulation resistance gear; Test voltage 250V; The insulation resistance is less than 2G. 500V Insulation resistance gear;...
Page 10
Digital Insulation tester Input terminal description: Input Description terminal LINE Positive input terminal for measuring insulation resistance. Positive input terminals for measuring AC/DC voltages. ①Negative input terminal for measuring AC/DC voltage;② The input terminal for measuring continuity at the position. ①Negative input terminal for measuring insulation resistance;②The input terminal for EARTH measuring continuity at the...
Page 11
Digital Insulation tester Instrument function introduction Automatic shutdown function: When the instrument is no operation for about 15 minutes, the instrument will automatically shut down to save battery power. After automatic shutdown, turn the switch back to the OFF position, and then switch on. Press the button to switch it on and cancel the automatic shutdown function.
Page 12
Digital Insulation tester to adjust the current flashing digit and press the button to switch the flashing digit and press the button to increase the value by 10 times. After setting the insulation resistance alarm value, press the COMP button (> 2 sec) to exit the insulation resistance alarm value setting.
Page 13
Digital Insulation tester Basic measurement operation: Insulation resistance measurement Note: Please do not turn the rotary switch during the insulation test to avoid damage to the instrument. The insulation test can only be carried out on the circuit that is not live. Before the test, check whether the test ⚫...
Digital Insulation tester Continuity measurement Turn the rotary switch into the position. ⚫ EARTH Insert the red probe into the terminal and the black probe into the terminal. ⚫ Connect the test probe to the measured object. ⚫ Read the measurement from the display. ⚫...
Digital Insulation tester General characteristics In accordance with IEC/EN 61010-1 1000V CAT III, 600 V CAT IV measurement standards. ⚫ 1000V DC, 750V AC (Sine wave) ⚫ Insulation test measurement range:0.1MΩ~200.0GΩ ⚫ Insulation resistance test voltage:100、250、500、1000、2500 V ⚫ Accuracy of insulation resistance test voltage: ±10 % ⚫...
Digital Insulation tester Relative humidity: 40%~75% (40%~60% When the insulation test resistance > 1GΩ) ⚫ Batteries: 8 x 1.5V AA (LR6) ⚫ Dimensions: 188(L) mm×145(W) mm×73(H)mm ⚫ Weight:approx. 630 g(Batteries not included) ⚫ Technical specifications Accuracy: ± (% rdg + dgts). 'rdg': display value. 'dgt': the magnitude of the smallest change. DC voltage measurement Range Resolution...
Digital Insulation tester Replace the battery Warning To avoid electric shock and personal injury, replace the battery when the battery is low. When replacing the battery, turn the meter switch to the off position, disconnect the meter test line from the circuit under test and remove it from the meter.
Page 26
Digital Insulation tester 輸入端子說明: 輸入端子 說明 LINE 用於測量絕緣電阻的正輸入端子。 用於測量交直流電壓的正輸入端子。 ① ② 用於測量交直流電壓的負輸入端子; 檔的測量連續性的輸入端。 ① ② EARTH 用於測量絕緣電阻的負輸入端子; 檔的測量連續性的輸入端。...
Page 42
Digital Insulation tester 输入端子说明: 输入端子 说明 LINE 用于测量绝缘电阻的正输入端子。 用于测量交直流电压的正输入端子。 ① ② 用于测量交直流电压的负输入端子; 档的测量连续性的输入端。 EARTH ① ② 用于测量绝缘电阻的负输入端子; 档的测量连续性的输入端。...
Need help?
Do you have a question about the MT-4103 and is the answer not in the manual?
Questions and answers