The HHM-GRT300 4-wire earth resistance tester
has been designed and tested according to the
IEC Publication 348, safety requirements for
Electronic Measuring Apparatus,
EN 61010-1, EN 61326-1,
EN 61557-1, EN 61557-5 and
other safety standards.
SPECIFICATIONS (Please review Specs pdf for complete product features and specifications)
Measuring Ranges Earth Resistance:
0 to 2Ω, 0 to 20Ω, 0 to 200Ω, 0 to 2 KΩ Earth Voltage: 0 to 300 Vac (40 to 500 Hz) Accuracy Earth Resistance: ±(2% rdg + 3 dgt) Earth Voltage: ±(2% rdg + 3 dgt) Earth Resistance/Resolution:
0 to 2 Ω/0.01 Ω
0 to 20 Ω/0.1 Ω
0 to 200 Ω/1 Ω
0 to 2 KΩ/0.01 KΩ Test Frequency: 820 Hz Test Current: 2mA Temperature and Humidity Operating:
0 to 50°C (32 to 122°F) 80% relative humidity Storage: -10 to 60°C (14 to 140°F) 80% relative humidity Power Source: 1.5V “AA” x 8 (included) Dimensions: 250 L x 190 W x 110 mm D (9.84 x 7.5 x 4.33") Weight: Approx. 1430 g (50.44 oz)(battery included) Fuse: 0.1A/250V 5 x 20 mm
† Price are shown in RMB.
Note: Comes complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, eight AA batteries and operator’s manual.
