Introduction
GDJB-III Protection Injection Tester is used for test of relay protection device in high and low voltage power supply system.
It can finish calibration of kinds of relay, check secondary circuit,check transformer,test trip value of circuit breaker,measure switch on and off time of circuit breaker and so on.It's of high precision, simple operation, reliable performance
Technical Specifications
1.DC voltage output: 0—350(V)continuity , capacity output:960VA
2.AC voltage output: 0—350(V)continuity , capacity output: 400VA
3.AC voltage output and loop current indication
The highest output voltage is 240V.When current is 5A,output time should be no longer than 3 minutes.
4.DC current output:0-10A continuity, capacity output:80VA
5.AC current output: 0-10A(voltage:40V) 0-100A(voltage:14V) capacity:1000VA
Output time≤35S
6. Simulate output of AC short circuit voltage:output voltage≤120V,range15~80%.
7.DC voltage alternating output(can be used as operating power of static relay)
Output Voltage: 24V,48V,110V,220V,output current: 0.4A
8. Overload protection
1)DC/AC voltage:5A overload protection
2)DC current: 10A overload protection
3)DC voltage:1A overload protection
4) Assembly:6A overload protection
9.DC/AC voltmeter and ammeter adopt 4-1/2 digit to transfer,accuracy:0.5 grade
10.Digital timer: 0.000~9999s error: mantissa ±2 digit
11.Others
1)Power supply: 220V±10%,50Hz
2)Temprature: -20°C~+40°C
3)Humidity:≤85%(15~25°C)
