Feature of S470A – 3 TERMINAL EARTH TESTER
- Non-contact measurement technology, safe and reliable, easy to The grounding down lead passes through the perforation of the detector directly, and does not affect the grounding lightning protection effect and the facility’s normal operation.
- Equipped with RS485 interface (support MODBUS-RTU communication protocol) or GPRS(optional) communication, connect with the user computer to realize remote real-time monitoring.
- Explosion-proof products can be used in flammable and explosive environments, explosion-proof mark: Ex ia II BT3Ga
Specification of S470A – 3 TERMINAL EARTH TESTER
Model |
ETCR2800C Non-Contact Earth Resistance On-line Detector |
Data Display |
4-digit LCD display directly, can be read by RS485 protocol |
LCD Size |
47mm×28.5mm |
Overflow Indication |
Measure value over 200Ω, LCD display “OLΩ” symbol |
Alarm Indication |
Tester audible and visible alarm |
Alarm Setting |
Tester panel setting or configured with RS485 protocol |
Range |
Range: 0.01Ω~200Ω; |
Resolution |
0.001Ω |
Accuracy |
±2%rdg±3dgt(20℃±5℃,Below70%RH) |
Power Supply |
6VDC~12VDC, 50mA Max.(External power supply, optional GPRS 12VDC 150mA Max) |
Working Current |
50mA Max. (Optional GPRS 12VDC 150mA Max) |
Explosion-Proof Mark |
Ex ia ⅡBT3Ga(explosion-proof certification: CE18.2332X) |
Waterproof Level |
IP54 |
Tester Weight |
960g |
Dimensions |
132mm×130mm×76mm |
CT Size |
60mm×28mm |
Connecting Wire |
1m wire(5 cores wire) |
Single Measurement Time |
About 0.5 second |
Communication Mode |
RS485 (supports MODBUS-RTU communication protocol) or GPRS communication (optional) |
Accessories |
Tester: 1 Pcs; Connecting wire: 1PCS |