Product Main Function
1. On - line monitoring the earth resistance of grounding system.
2. Measure Range: 0.010Ω~2000Ω
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: 0.01Ω ~ 2000Ω, 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 30 seconds/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 10MΩ (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 Ⅲ 300V |
| Model | CT Structure | Range | Difference |
| ETCR2800B | Close loop | 0.010Ω～200Ω | NO LCD and Indicator light, need to build Internet |
| ETCR2800C |
Close loop |
0.010Ω～200Ω | With LCD, Alarm Setting,Sound and light alarm indication |
| ETCR2800KB | Split-core | 0.010Ω～100Ω | No need to disconnect the grounding wire in installing,detector with sound and light alarm indication |
| ETCR2800KC | Split-core | 0.010Ω～100Ω | 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 |
0.010Ω～200Ω | No shell, suitable for secondary development |
| ETCR2900 | None | 0.01Ω~2000Ω | 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 |
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: 0.01Ω ~ 2000Ω, 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 30 seconds/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 10MΩ (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 Ⅲ 300V |
| Model | CT Structure | Range | Difference |
| ETCR2800B | Close loop | 0.010Ω～200Ω | NO LCD and Indicator light, need to build Internet |
| ETCR2800C |
Close loop |
0.010Ω～200Ω | With LCD, Alarm Setting,Sound and light alarm indication |
| ETCR2800KB | Split-core | 0.010Ω～100Ω | No need to disconnect the grounding wire in installing,detector with sound and light alarm indication |
| ETCR2800KC | Split-core | 0.010Ω～100Ω | 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 |
0.010Ω～200Ω | No shell, suitable for secondary development |
| ETCR2900 | None | 0.01Ω~2000Ω | 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 |
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