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เครื่องทดสอบความต้านทานฉนวน High voltage insulation tester

MG325: CAT IV Insulation Tester/True RMS MultiMeter ยี่ห้อ Extech, USA

2000GOhm/1000V Insulation Tester/DMM with Datalogging

Combines a 200GΩ/1000V high range Insulation Tester with a full-featured True RMS MultiMeter in a single, compact instrument. CAT IV safety rating ensures the highest level of protection.

Features:

Test Voltages of 250V, 500V, and 1000V
Measure Insulation Resistance to 5.5GOhm (autoranging)
AC Voltage measurement from 30 to 600V
Polarization Index measurement (PI)
Dielectric Absorption Ratio measurement (DAR)
10MOhm internal resistance test
Low Resistance measurement with Zero function
Continuity beeper
Large 2000 count dual display with backlight
High voltage and overload indication
Auto-discharge and voltage output warning functions
Low battery indication
Complete with test leads, alligator clips, 6 AA batteries, hard cover, and soft carrying case

For complete specs please download the product datasheet (not available for some accessories)

Specification:

Unit	Range	Resolution	Basic Accuracy
Insulation Resistance	50MΩ, 100MΩ, 200MΩ,500MΩ, 2000MΩ 1GΩ, 10GΩ, 20GΩ, 50GΩ, 100GΩ, 200GΩ	0.001MΩ	±(3%+3d)
Insulation Test Voltages	50V, 100V, 250V, 500V, 1000V		0 to 20%
AC/DC Voltage	600V	0.01V	AC: ±(1.5%+5d) DC: ±(2%+3d)
Leakage Current	2000μA	10μA	±(10%+3d)
Resistance	10MΩ	0.01kΩ	±(3%+3d)
Low Resistance	100Ω	0.01Ω	±(1.5%+5d)
Capacitance	500μF	0.1nF	±(5%+5d)
Frequency	1kHZ	0.1HZ	±(0.1%+3d)
Continuity (audible)	Yes
Dimensions	8.9 x 4.1 x 2.3″ (225 x 103 x 59mm)
Weight	1.5lbs (0.7kg)