China Testing Instruments Manufacturer,Whatsapp/Wechat:+8618620373879  Email:

Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester
Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester
Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester
Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester
Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester
Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester

Xtester-ETCR2000B+Explosion Proof Type Clamp Earth Resistance Tester-Xtester

2023-06-17 14:00:48  

0.01-1200Ω Anti-explosion Clamp Earth Tester

  • Main Features : 1. Measurement of earth resistance,loop resistance 2. Resistance Measure Range: 0.010Ω~1200Ω 3. Data Storage: 99 sets 4. Alarm Threshold Setting:1-199Ω 5. Alarm Function: audible and visible alarm 6. Ex-mark :ExiaⅡBT3Ga 7. Explosion-proof Certification :CE18.2380
  • Serial No. :

Contact Us For QuotationEmail:  464560351@qq.comWhatsapp&Wechat:+8618620373879


Xtester-ETCR2000B+ Explosion Proof Type Clamp Earth Resistance Tester is our company's technology research and development team on technical quality of the pursuit of excellence, through continuous innovation to improve, upgrade with the old product. Its performance is mainly reflected in:

  • Breakthrough in self-test the boot a long time to waiting, start immediately into the test.

  • Breakthrough relay self-test mode, using the most advanced processing algorithms and digital integration technology.

  • Breakthrough the old product to heavy issues, more in line with characteristics of hand-held devices.

  • New design, panel operation with 6 buttons, better performance.

  • Increase sound and light alarm function, with "beep-beep-beep” alarm sound.

  • Increase the interference signal recognition indicator function, with "beep-beep-beep” indicator.

  • Measurement range: 0.01Ω-1200Ω

  • Stored data 99 Units. Lower power consumption, Maximum operating current less than 50mA.

Xtester-ETCR2000B + type clamp meter has passed the certification of explosion-proof and met GB3836-2000 explosive gas environment with electrical equipment. The explosion-proof marks is Exia Ⅱ BT3Ga. Explosion-proof qualified number: CE18.2380.It can be applied to the corresponding inflammable and explosive environment.

Xtester-ETCR2000B+  Accessories

  • Earth tester

  • Test ring

  • Manual

  • Warranty card/Qualification card

  • Aluminum Case


Measurement Range & Accuracy



























Technical Parameter

Function Test of earth resistance and loop resistance
Power Supply 6VDC 4 PCS of LR6 lkaline batteries
Clamp Size 65mm×32mm
LCD Size 4 Digits LCD display, Screen: 47mm×28.5mm
Range Resistance: 0.010Ω~1200Ω
Resolution Resistance: 0.001Ω
Accuracy Resistance: ±1%±0.01Ω; Current:±2.5%±1mA
Data Storage 99 sets
Data Upload Function RS232 Interface (Optional)
Auto Power-off Automatically power off after 5 minutes without any operation
Power Consumption ≤50mA, continuously working for 30 hours
Working Environment -20℃~55℃;20%rh~80%rh
Store Environment -20℃~60℃;below 90%rh
EX-Mark Ex ia Ⅱ BT3Ga
Explosion-proof Certification CE18.2380
Alarm Threshold Setting Range Resistance:1~199Ω
Audible and Visible Alarm  “Beep-beep-beep” alarm sound, alarm symbol flashing, press AL key to turn on/off and setting
Interference Signal Recognition “Beep-beep-beep” indicator, NOISE symbol blinking
Protection Level Double insulation
Structural Feature Clamp CT
Shift Automatic shift
External Magnetic Field <40A/m
External Electrical Field <1V/m
Single Measurement Time 0.5 second
Resistance Measurement Frequency >1KHz
Measured Current Frequency 50/60Hz Automatic
Low Battery Voltage Indication When the battery voltage is lower than 5.3V, the low battery voltage symbol is displayed
Storage Full Indication Storage data full of 99 sets,flashed display "MEM" symbol
Over Range Indication  Over range indication “OLΩ”, “L0.01” or “OL A”
Tester Weight 1100g
Tester Dimension 285mm×85mm×56mm
Measurement Principle

  • Measure the loop resistance

(Base on the formula: R=E/I)

  • Measure the grounding loop resistance system

(R1 is the measured earth resistance;

R0 is the equivalent resistance of the grounding resistor in parallel)

Measurement Method
  • Two earth point measurement method

The RA is the measured grounding object, connecting RA

and RB (which is the nearly grounding object like as water

pipe or building) with one wire, the tester will test and indicate the concatenation resistance value of the ground

resistance and the test line resistance.


(RT is the tested value, RL is the test line resistance value)

  • Three earth point measurement method

          (1).Connect the RA and RB with a test line; use the Meter to

get the first reading R1;

(2).Connect the RB and RC with a test line; use the Meter to

get the first reading R3;

(3).Connect the RA and RC with a test line; use the Meter to

get the first reading R2.

In the above three steps, the reading measured in each step is the value of the two series grounding resistance.

In this way, we can easily calculate the value of each grounding resistance,According to the reading value of R1,R2,R3:


Then: RA=(R1+R2-R3)/2

As the reference points, the grounding resistance values of the other two grounding bodies

RB and RC are:


Field Application

  • The application of machine room earth resistance measurement

The machine room of telecommunication system normally in the upper deck of the building. It is hard to use the meg-ohm meter to measure. However, Xtester-ETCR Clamp meters are very convenient to test.

  • The application of substation earth resistance measurement

Xtester-ETCR series clamp meter can use to test the situation of contact and connect of circuit. With the help of one test line, it can be used to test the connect situation of equipment in station and the grounding system. Single point grounding measurement is allowed for the measurement of grounding resistance.

  • The application of building lightning protection grounding system measurement

If the earth poles of the building are independent of each other, the earth resistance can be measured by clamp to testing any of the earth poles, and the earth resistance can also be measured by clamp the building roof lightning arrester.When the measured value is less than the allowable value, the earth electrode is qualified.If the measurement value of the clamp meter is larger than the allowable value, please use ingle earth point method to measurement.

Related Series Model

ModelClamp SizeResistance RangeCurrent RangeData UploadAlarmData SaveType


Xtester-ETCR220065*32mm0.01-1500Ω0.00mA-40.0AYesYesYesHigh Performance

QQ Chat