Back to CatalogETCR Online Ground Resistance Tester with Ground Current Measurement, Explosion-Proof Certified, RS485/4G Communication
Specifications
- Category
- Ground resistance tester
Variants / Sale Attributes
Package Contents
Detector: 1 piece; Hardware installation parts: 1 set; Power communication cable: 1 piece
Product Description
Product Specifications
Overview
- Brand
- ETCR
- Models Available
- ETCR2800S, ETCR2800KS, ETCR2800E, ETCR2800N, ETCR2800T, ETCR2800B, ETCR2800C, ETCR2800KB, ETCR2800KC
Fully upgraded with comprehensive functions
4G communication (optional)
RS485 communication supporting ModBus protocol
Resistance and current measurement capabilities
Open/closed sensor types available
LCD display screen
Explosion-proof certified (Exial1BT3Ga, ExiblICT4Gb)
Stainless steel housing (304 grade)
Lithium battery with optional long-life up to 5 years
Acoustic and visual alarms
IP65 protection rating
Low power consumption modules
Strict factory testing and calibration certificates provided
Building lightning protection
Mining and industrial enterprises
Additional details
- Range
- 0.01Ω to 200Ω
- Resolution
- 0.001Ω
- Accuracy
- ±2% reading ±3 digits
- Range
- AC 0.0mA to 20A
- Resolution
- 0.1mA
- Accuracy
- ±2% reading ±5 digits
Closed-loop sensors and open/close type sensors available
Additional details
- Sensor aperture sizes (selectable)
- Φ17 mm, 53 mm×20 mm, 56 mm×27 mm, 65 mm×36 mm
- ETCR2800B/C/KB/KC/S/KS
- 260×105×60 mm; Weight: 870 g to 1150 g
- ETCR2800E
- 76×60×38 mm; Weight: 320 g
- ETCR2800N
- 110×80×55 mm; Weight: 560 g
- ETCR2800T
- 160×125×90 mm; Weight: 2160 g
9V to 24V DC (external user-provided)
Additional details
- Low power consumption
- typical 12V DC 50mA max; 4 G version up to 150mA max
Lithium battery option with up to 5 years endurance
RS485 wired communication with ModBus protocol
4G wireless communication module (optional)
Wired network supports 1 to 250 grounding points, expandable
Wireless network supports up to 60,000 grounding points, unlimited distance
Wired communication distance approx. 1000 meters
Automatic range switching
Additional details
- Overflow indication
- Displays “OL” when resistance >200Ω or current >20A
- LCD size
- 47 mm×28.5 mm (for applicable models)
Display and function keys on selected models
Closed-loop sensor installation requires disconnecting grounding lead before sensor insertion, then reconnecting grounding lead
Open/close sensor installation does not require disconnecting grounding lead
Flat clamp jaws suitable for flat steel grounding conductors
Split-type detectors available for various scenarios
Audible and visual alarms for abnormal conditions
Additional details
- Operating temperature
- -20°C to 55°C
- Relative humidity
- 20% to 90% RH
- Explosion-proof certificates
- CE23.3868X, EETI25.0421X
Compliance with GB/T34-1 and other relevant standards
CNAS calibration certificates provided
Detection instrument/controller
Power/communication cables (1 meter, 5-core)
Installation hardware and screws
Sensor units (varies by model)
Controller connection cables (for split-type models)
Supports online monitoring of loop grounding resistance, metal loop connection resistance, and grounding status
Optional ground current online monitoring
Supports wired and wireless network configurations for remote monitoring
Compatible with cloud server and mobile app for real-time data access
Detection modules available for secondary development and customization
ETCR explosion-proof products are suitable for use in hazardous environments with flammable and explosive atmospheres.
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