Liquid crystal display(Max. 9999 counts),36 sect bar graph to display
Sample rate:apptox.0.5 ～ 5 times/sec
Hight voltage insulation resistance test Auto-ranging
PI(Polarization Index),DAR(Induction absorption ratio)can be measured by the automatic measurement function
Continuous measurement function
With Timer measurement function
Automatic Electric discharge function
Stepping voltage test,temperature measurement,Leakage current display
The actual output voltage value and the survey insulation resistance value are displayed at the same time
Built-in real-time clock, provide the accurate time to the record and the surveying work
Two kind of convenient of operation data record function:Manual record and Work record,and may convenient inquire about data recording
Uses the panel calibration technology, without opening the crust can be calibrated
Available alkaline battery,Ni-Hi battery or power adapter power supply,the battery compartment cover may convenient the battery replacement
Has the automatic backlight closure function and the automatic power source closure function
Big screen LCD display,with the white LED backlight
The meter can communicate with computer by isolation interface USB,and can be operated by computer
The feature of simple man-machine operation,portable and firm suits the field use

Basic Specification

(Apply within one year after the calibration,23℃±5℃,0～70%RH, Accuracy =±(%reading+LSD))

Insulation Resistance tester

3123	√	√	√	√
3125		√	√	√	√
Rated voltage	250V	500V	1000V	2500V	5000V
Measuring Range	0.0～99.9MΩ 100～999MΩ 1.00～2.50GΩ	0.0～99.9MΩ 100～999MΩ 1.00～5.00GΩ	0.0～ 99.9MΩ 100～999MΩ 1.00～9.99GΩ	0.0～99.9MΩ 100～999MΩ 1.00～9.99GΩ 10.0～99.9GΩ	0.0～99.9MΩ 100～999MΩ 1.00～9.99GΩ 10.0～99.9GΩ 100～1000GΩ 1.00～1.20TΩ
Open circuit Voltage	DC 250V + 20% ,-0%	DC 500V + 20% ,-0%	DC 1000V + 20%,-0%	DC 2500V + 20%,-0%	DC 5000V +20%,-0%
Rated Current	1mA--1.2mA (at 0.21MΩ load)	1mA--1.2mA (at 0.5MΩ load)	1mA--1.2mA (at 1MΩ load)	1mA--1.2mA (at 2.5MΩ load)	1mA—1.2mA (at 5MΩ load)
Short-circuit Current	Approx. 1.3mA
Accuracy	±5%rdg ± 3dgt / ±20%(100GΩ or more)

Voltage monitor display for insulation resistance range
0～5000V(resolution 1V):±2%rdg±3dgt

Leakage current measurement

Current Range	Measuring Range	Accuracy
5uA	0.000～5.250uA	±10%rdg±5dgt
50uA	5.00～52.50uA	±2.5%rdg±5dgt
250uA	50.0～262.5uA	±2.5%rdg±5dgt
1500uA	250～1500uA	±2.5%rdg±5dgt

Voltage measurement

	DC voltage	AC voltage
Measuring range	0～±1000V	30 ～600V(50/60Hz)
Resolution	1V
Accuracy	±2%rdg±3dgt

Temperature measurement

Measuring range	Accuracy
0.0～25.0ºC	±1ºC
25.0～70.0ºC	±2.ºC

General

Operating temperature & humidity range:
0ºC ~ 40ºC/Relative humidity 85% or less(no condensation)
Storage temperature & humidity range:
-20ºC ~ +60ºC/Relative humidity 90% or less(no condensation)
Operable altitude:2000m or less(used to indoor)
Rated Transient Overvoltage
6KV(1.2*50us)CATⅠ, CAI Ⅱ, CAT Ⅲ peak measurement
Insulation resistance & Withstand voltage:
1000MΩ or more /DC1000V (Between electrical circuit and enclosure)
AC8320V(50/60Hz)/5sec. (Between electrical circuit and enclosure)
shake & impact::Randomicity 2g, 5~500Hz
1 meter drops the test
Calibrating period & Preheat interval:
In order to guarantee that this meter precision, its calibrating period is one year or other
Starting preheat interval is 10 minutes or other

Display & Backlight:Sect style LCD double display:63.7×104.7mm

White LED backlight, may setup backlight time 0~3600sec

Power Source:

DC12V:Alkaline battery size C(LR14) × 8pcs
DC12V:Ni-Hi battery size C(R14) × 8pcs
the external DC12V adapter
Auto-power-off:may setup Auto-power-off time 0~60minutes

Dimensions & Weight:210 × 155 × 95(mm),approx. 1300g(barring battery)
Accessories:A set of test leads Alkaline size C battery (LR14) × 8pcs
Instruction manual
Hard Case
12V adapter for recorder

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