Product Introduction
DER2571 applies to power industry, post and telecommunications, railway, communications, mining and other sectors to measure the grounding resistance of the various devices and the conductor resistance of low resistance; this instrument can also measure soil resistivity and ground voltage.
Ground resistance test current up to 20mA. Adopt FFT, AFC technology, strong anti-interference ability
Range: 0.000 Ω ~ 3000 Ω; Resolution: 0.001 Ω
Product Parameter
|
Function |
Measurement of ground resistance, ground voltage, low resistance |
|
Power supply |
DC 7.4V 1.8Ah Rechargeable lithium battery, fully charged continuous use for about 8 hours |
|
Back light |
Controllable white screen backlight, suitable for dim place |
|
Measurement mode |
Precision three wire method and simple two wire method for measuring ground resistance |
|
Measuring method |
Two - and three-wire method：Rated current converter method |
|
Voltage to earth：RMEAN (P-E) |
|
|
Range |
Earth resistance： 0.000Ω～3000Ω |
|
Earth voltage： AC 0.0～100V(50Hz/60Hz) |
|
|
resolution |
0.001Ω; 0.1V |
|
Accuracy |
Earth resistance：±2%rdg±0.05Ω (0~30Ω) ±2%rdg±5dgt(30~3000Ω) 1. Auxiliary ground resistance 100Ω±5%,voltage to ground＜5V 2. When disturbance voltage 5V, error≤±5%rdg±5dgt |
|
Ground voltage：±2%rdg±3dgt(50Hz/60Hz) |
|
|
Test voltage waveform |
Sine wave |
|
Test frequency |
128Hz/111Hz/105Hz/94Hz(auto option) |
|
Short circuit test current |
AC 20mA max |
|
Open circuit test voltage |
AC 40V max |
|
Display mode |
LCD display |
|
LCD size |
128mm×75mm LCD display124mm×67mm |
|
Size |
Host：320mm×270mm×145mm |
|
Outside package：400 mm×245mm×335mm |
|
|
Test wire |
3pcs ：red15m,yellow 10m,green 5m each |
|
Simple test wire |
2pcs：red1.6m,black 1.6m |
|
Auxiliary ground rod |
2pcs ：φ10mm×150mm |
|
Measuring time |
Voltage to ground：about 2times/s;earth resistance：3S/time |
|
Measuring times |
Above 5000 times(short-circuit test,test one time,Stop for 30 seconds and test again) |
|
Line voltage |
AC below 100V test |
|
USB |
With USB interface, data storage can be uploaded to the computer through data software, save and print |
|
USB line |
USB line*1,1.5m |
|
Data hold |
"HOLD"signal |
|
Data storage |
2000 groups,"MEM"indicator,if full "FULL"indication |
|
Weight |
Meter：2.645kg (including battery) |
|
Total weight：5.95kg (including package) |
|
|
Work condition |
-10℃～40℃;80%rh below |
|
Storage condition |
-20℃～60℃;70%rh below |
|
Overload protection |
Measuring ground resistance： C-E,P-E AC 280V/3S |
|
Insulation resistance |
20MΩ above (Between the circuit and the housing 500V) |
|
Voltage withstand |
AC 3700V/rms (panel to case) |
|
|
IEC61326(EMC) |
|
Standard |
IEC61010-1(CAT Ⅲ 300V,CAT IV 150V,class of pollution 2);IEC61010-031;IEC61557-1(earth resistance);JJG 366-2004 |
Product Feature And Application
1. The tester consists of a host, test wire, auxiliary ground rod, data software, communication wire and others.
2. Portable, high insulation performance, the outside case can bear 200kg pressure, high precision, high stability and high reliability;
3. Big LCD display with backlight, can save 2000 groups data, can read, consult, save, report, print.
4. Ground resistance test current up to 20mA
5. Adopt FFT, AFC technology, and strong anti-interference ability. Range: 0.000 Ω ~ 3000 Ω; Resolution: 0.001 Ω
Accessory
|
Meter |
1 |
|
Bag |
1 |
|
Auxiliary ground rod |
2 |
|
Test line |
3( red 15m;yellow 10m;green 5m) |
|
Simple test line |
2 (red 1.6m;green 1.6m) |
|
Chargers, charging cables |
1 set |
|
Data Software |
1 |
|
Inspection report/manual |
1 |
FAQ
1. Delivery： Fast delivery and Flexible mode of transportation
2. Payment: Choose payment terms and payment way you convenient
3. Sale service: 24-hour online contact, Choose the right model of equipment according to your request, give the best offer, support customization
4. Warranty period: All machine quality guarantees for one year and lifetime technical support for you. Online response to customers' technical problems.
Customer Visit
On Site Service
Packing detail
Our service
01
Pre-sale service
Conduct product consultation, product promotion, and marketing activities, and technical support for customer needs.
02
Delivery service
Packing with wooden cases, provide different solutions of shipping way, accept different payment way. Save shipping cost and make sure the products arrive well.
03
After-sales service
Installation and commissioning of specific products; Respond to consumer questions, answer consumer inquiries, and deal with consumer comments.
Hot Tags: digital earth resistance meter, China digital earth resistance meter manufacturers, suppliers, factory, Earth Grounding Resistance Tester, grounding network tester, Digital Earth Resistance Meter