Product Description
LHT2571 Digital Grounding Resistance Tester Ground Voltage Resistance Tester
LHT2571 Digital Grounding Resistance Tester Ground Voltage Resistance Tester
In this table, the traditional manual power generation mode is abandoned, and the advanced medium and large scale integrated circuit is adopted. The DC/AC transformation technology is applied to combine the measuring mode of three-end knob and four-end knob into a new type of grounding resistance measuring instrument.The working principle is that the DC/AC converter converts DC into AC with low frequency constant current. The circuit consists of auxiliary grounding pole C and measured object E, and AC voltage drop is generated on the measured object. The circuit is sent to AC amplifier by auxiliary grounding pole P for amplification, and then sent to the watch head for display through detection. With the aid of multiplying power switch, three different quantity limit can be obtained: 0 ~ 2 Ω , 0 ~ 20 Ω , 0 ~ 200 Ω .
Technical Index
1. Conditions of useAmbient temperature: 0℃ ~ +45℃ Relative humidity: ≤85%RH
2. Measuring range and constant current value (Root Mean Square) Resistance: 0 ~ 2 Ω (10 mA), 2 ~ 20 Ω (10mA), 20 ~ 200 Ω (1mA)
Voltage: AC 0 ~ 19.99V
3. Measurement accuracy and resolution Accuracy:
0~0.2Ω≤±3%±1d
0.2Ω~199.9Ω≤±1.5%±1d 1~ 19.99V≤±3%±1d
Resolution: 0.001Ω 、0.01Ω 、0. 1Ω 、0.01V
4. Auxiliary grounding resistance and measurement error caused by ground voltage
Auxiliary grounding resistance RC (between C1 and C2)
0～2Ω , 2～20Ω ≤1KΩ 20～200Ω ≤2KΩ
RP（between P1 and P2）<40KΩ Error ≤±5%
Allowable ground voltage (power frequency effective value) ≤5V Error ≤±5%
5. Power supply and power consumption
Maximum power loss ≤2W
DC: 8* 1.5V(AA, R6) battery
Communication: 220V±10% / 50 Hz
6. Volume and weight
Size: 220 mm * 200 mm * 105 mm Weight: ≤1.4 kg
ZGF 200kV/2mA DC high voltage generator Zinc oxide arrester
ZY2671C uni-t Insulation resistance tester
Frequency Conversion Series Device
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We carefully handle each order to ensure your package arrives quickly and safely. Please note that factors such as weather, postal traffic, or carrier performance may occasionally cause delays beyond our control.
We provide free shipping and dispatch all orders within 2 business days of payment, often sooner. All shipments are sent via international express air shipping, with a tracking number provided so you can follow your order every step of the way.
. Please provide a physical address, as we do not ship to P.O. Boxes.
Returns
Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.