- Digital Multimeter
- Analogue Multimeter
- Digital Clamp Meter
- Pen Type Digital Multimeter
- Digital Insulation Tester
- Analogue Insulation Tester
- Pocket Size Digital Multimeter
- Power meter
- Thermometer
- Volt Alert
- Voltage Tester
- Wireless Meter
- Moisture Meter
- Digital Earth Loop Meter
- Automotive Digital Multimeter
- Cable Tester
- Leakage Clamp Meter
- Measuring Instruments
- Soldering Irons and Switches
- Audio Equipments
- Data Logger
- Air Tester
- Clamp Sensors
- Earth Testers
- Laser Distance Meter
- LUX Meter
- Multi Function Testers
- Phase indicators
- RCD/PAT Testers
- Sound Meter
- Storage Cabinet
- Strength Meter
- Test Lead Set
Pacific Radio (M) Sdn Bhd
[16370-U]
80, Jalan Pasar, Pudu,
55100 Kuala Lumpur,
Malaysia.






Pacific Electronic (S) Pte Ltd
1 Rochor Canal Road,
#01-10/11/12,
Sim Lim Square,
Singapore 188504.
1 Rochor Canal Road,
#01-10/11/12,
Sim Lim Square,
Singapore 188504.





Extech GRT300 4-Wire Earth Ground Resistance Tester
Measures earth ground resistance in 4 ranges from 2 to 2000 Ohm
The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off. AC Earth Voltage. Overrange and low battery indication. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
4-Wire Earth Ground Resistance Tester Features
- 4-wire, 3-wire, and 2-wire testing
- Large dual line LCD
- Automatic I (current) and P (potential) spike check
- Test Hold function for easy operation
- Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off
- AC Earth Voltage
- Overrange and low battery indication
- Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries