Name: Enviro Test Construct Insulated Resistance Meter -
SKU: ETCMML-221

Features

Microcomputer-controlled with a user-friendly interface and a large LCD display for smart, stable performance
Resists interference well, ideal for challenging electromagnetic environments
Offers 8 voltage output options 50 V, 100 V, 250 V, 500 V, 1.0 kV, 2.5 kV, 5.0 kV, 10.0 kV
Allows continuous regulation of high voltage outputs
Strong load capacity with a 5mA short-circuit current
Measures from 0 to 10GΩ, adjusting ranges automatically
Displays data trends via bar pointer and digital display for precise measurements
Shows testing time on demand
Automatically discharges high voltage within 30 seconds after use
Automatically records ambient conditions and test details
Features a 5-minute auto-off function for power conservation
Ensures high operational reliability with comprehensive protection

Technical Specifications

Rated testing voltage	50 V, 100 V, 250 V, 500 V, 1 kV, 2.5 kV, 5 kV,10 kV, 8 voltage output gear in total
Upper limit of measuring range	0 TΩ to 10 TΩ
Lower limit of measuring range	0.1 MΩ
Output voltage error	±5%
Short-circuit current	Approx 5 mA
Grade of accuracy	5
Basic error of second half measuring range	± (5 % Rx + 1d)
Basic error of first half measuring range	± (10 % Rx + 2d)
High voltage display error	± (5 % Ux + 1d)
Air humidity measuring error.	± 2 % RH
Power supply	14.8 V lithium battery
Service life of battery after one-time charging	30 days, 10 times of DAR and 5 times of PI test for each day
Insulation resistance	> 500 MΩ (between the test line and machine case)
Voltage resistance	AC 10 kV 50 Hz 1 min (between the test line and machine case)
Temperature measuring error.	± 0.9 °F (± 0.5 °C)
Working temperature and humidity	32 °F to 39.2 °F (0 °C to 4°C) <85 % RH
Storage temperature and humidity	-4 °F to 122 °F (- 20 °C to 50 °C) <90% RH
Boundary dimension	10.63 in x 9.45 in x 6.50 in (270 mm x 240 mm X 165 mm)
Weight	9.92 lb (4.5 kg)

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