ETCR2900 Online Earth Resistance Tester On-Line Monitoring Ground Resistance.

ETCR2900 Online Earth Resistance Tester
Product Main Function

1. On - line monitoring the earth resistance of grounding system,equipotential bonding resistance and earth voltage

2. Measure Range: 0.010O~2000O

3. Online detection and real-time monitoring, LCD: 124mm×67mm

4. Automatic monitoring and record, record data can stored automatically to generate reports

ETCR2900 Contact Type On-line Earth Resistance Tester is high-tech product that our company has devoted to "grounding resistance detection technology research" for more than ten years, Using precision 3-wire or simple 2-wire measurement method to test the grounding resistance. Adopt average value rectification method to test grounding voltage, online detection, real-time monitoring. User can select RS232 or RS485 communication, according the protocol MODBUS to secondary development, build network, realize remote multipoint online monitoring etc.resistance range: 0.01O ~ 2000O, voltage range: AC 0 ~ 600V.

ETCR2900 Contact Type On-line Earth Resistance Tester displayed by super large LCD, very clear and obvious. The alarm critical value can be set via the button, and with the sound and light alarm indication. Ensure the high accuracy, high stability and high reliability of real-time online monitoring of grounding resistance value in various place.


Function

Online monitoring of grounding resistance, grounding voltage, equipotential bonding resistance, and low value resistance

Power Supply

Standard: 12V±1VDC?400mA Max; Optional: 24V±1VDC

Test Method

Precision 3-wire or simple 2-wire measurement method

Measurement Method

Ground Resistance:Rated current pole method, measuring current 11mA Max,128Hz;

Ground Voltage:Average rectification

Data Mode

Average value

Display Mode

4 Digits large LCD display

Measurement Indication

In measurement, LCD count down indication

LCD size

128mm×75mm; Display area:124mmX67mm

Tester Dimension

190mm×117mm×54mm

Measurement Time

Voltage to earth: about 2 times/seconds; Grounding resistance: about 30seconds/times

Measurement Times

Above 10,000 times

Line Voltage

Measurement voltage to earth: AC below 600V

Tester Interface

Plug Terminal Block: 9-pin terminal block

Data Communication

RS485 (optional RS232).

Shift

Automatic shift

Data Storage

400 sets, flashes display "FULL" symbol indicate that storage full

Interval time

Automatic monitoring interval time of setting range: 1 ~ 999 hours

Data Access

Data access function: display "READ" symbol

Overflow Indication

Over range overflow function: display "OL" symbol

Power Consumption

Standby:25mA Max

Measurement:400mA Max

Alarm Indication

Audible and visual alarm

Power Voltage

When power voltage lower than 10V, display low power voltage symbol, and remind to replace battery

Tester Weight

450g

Working Environment

-10?~40?;below 80%rh

Store Environment

-20?~60?;below 70%rh

Overload Protection

In measurement of ground resistance:E-P?E-C AC 280V / 3 seconds between each terminal

Insulation Resistance

Above 10MO (500V between circuit and outside shell)

Withstand Voltage

AC 3700V/rms (Between the circuit and the shell)

Electromagnetic characteristics

IEC61010-4-3,Wireless frequency electromagnetic field=1V/m

Suitable Safety Standard

IEC61010-1?IEC1010-2-31?IEC61557-1,5?IEC60529(IP54)?Pollution 2?CAT ? 300V




Battery does not include



Model CT Structure Range Difference
ETCR2800B Close loop 0.010O~200O NO LCD and Indicator light, need to build Internet
ETCR2800C Close loop 0.010O~200O With LCD, Alarm Setting,Sound and light alarm indication
ETCR2800KB Split-core 0.010O~100O No need to disconnect the grounding wire in installing,detector with sound and light alarm indication
ETCR2800KC Split-core 0.010O~100O No need to disconnect the grounding wire in installing, detector with LCD, Alarm Setting, sound and light alarm indication
ETCR2800N Close loop and built-in type 0.010O~200O No shell, suitable for secondary development
ETCR2900 None 0.01O~2000O Need ground auxiliary pile,communicate with the computer directly, dector with LCD, alarm setting,sound and light alarm indication



Package Outer package Carton
Inner package None
Accessory Meter 1 PCS
9-pin Terminal Block 1 PCS
Manual/Warranty Card/Certificate 1 PCS