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DIGITAL INSULATION TESTER
EI-91
Digital Insulation Tester
Test Voltage 100~500V · 200MΩ · CAT III 600V
Test Voltage
100~500V
Insulation
0.01~200MΩ
Continuity
Built-in
Discharge
Auto
Safety
CAT III 600V
Certs
CE
CE
Enquire Now Downloads
EI-91 Digital Insulation Tester
01
Overview
KEY HIGHLIGHTS

The EI-91 is a compact insulation tester (up to 500V DC) for telecom cables, building wiring and low-voltage equipment. Simple one-button operation with LCD display, continuity buzzer and auto-discharge.

02
Technical Data
SPECIFICATIONS
Insulation
Test Voltages
100V · 250V · 500V DC
Range
0.01 ~ 200 MΩ
Accuracy
±5% (0.1~9.99MΩ) · ±10% (10~200MΩ)
Continuity
Range
0 ~ 10 kΩ
Buzzer
<30 Ω
General
Display
LCD
Auto Discharge
Yes
Safety
EN 61010-1 CAT III 600V
Physical
Power
6 × 1.5V AA
Dimensions
175 × 87 × 46 mm
Weight
~500 g
Certifications
Certifications
CE
03
Documentation
DOWNLOADS
Product Datasheet
EI-91 / EI-92 / EI-93 Specification
PDF · English
Download
Operation Manual
EI-91 / EI-92 / EI-93 Manual
PDF · English
Download
04
Also Available
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