Telecom Consultants & Construction Co.

Features :

• 3½ LCD Digital Display, Big Screen for Easy Reading.
  

• Capability of Preventing Disturbance from Earth
• Voltage, Promise Normal Test without Open the Circuit.

• If Auxiliary Earth Resistance of Potential Terminal

             Rp and of Curent Terminal Rc are as below value:
             Rp < 50kΩ
             Rc < 1kΩ (range 0.00 to 19.99Ω)
             Rc < 10kΩ (range 20.0 to 199.9Ω), 200 to 1999Ω.

• There is no influence on measuring.
• If Earth Return Circuit is Opened, OPEN CIRCUIT is displayed on LCD.

• Battery Supply, Low Battery Indication.

Earth Resistance Tester ERT-1 can be used for measuring the earth resistance of various earth installations and
the resistance of low resistance conductors, and also be used for testing earth resistivity and testing earth voltage.

Technical Specification

Measuring Parameter	Earth Resistance	Earth Voltage
Measuring Range	(0.00 to 19.99) Ω	(0.00 ~ 19.99) V
	(20.0 to 199.9) Ω
	((200 to 1999) Ω
Accuracy	±(5% RDG+2d)	±(5% RDG+2d)
	5mA (0.00 to 19.99) Ω
Testing Current
	0.5mA (20.0 to 199.9) Ω
	0.5mA ((200 to 1999) Ω
Operating Temperature	0OC to 50°C, <85% RH.
& Humidity
Withstand Voltage	AC 1.5kV, 50Hz, 1 min.
Power Supply	8 x 1.5V (AA, R6 Battery).
Dimensions (mm)	260 (L) x 135 (W) x 70 (D)	.
Weight	0.8 Kg.

Option : Computer aided fault locator TFL 7/TDR 2000 or similar

Insulation Tester MEG ID

HICOMP

Specifications

Rated voltage	250/500/1000V
Output voltage	Rated voltage±10%(Load20Mohm)
Measuring range	0.1 - 1999 Mohm
Output short circuit current	1mA

 

Specifications

Rated voltage	250/500/1000V
Output voltage	Rated voltage±10%(Load20Mohm)
Measuring range	0.1 - 1999 Mohm
Output short circuit current	1mA