Thiết bị đo điện trở tiếp xúc MPK-203x Tentech

Mã sản phẩm: MPK-203x |
Thương hiệu: Tentech

Giá bán: Liên hệ

The MPK-203x high-current micro-ohmmeter is a portable,microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations.
Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 200 A.

Yêu Cầu Giá Tốt

Thông tin sản phẩm
• Portable digital micro-ohmmeter up to 200 A
• Microprocessor controlled
• Resolution: 0.1 µΩ
• Resistance reading: up to 20 mΩ
• Direct reading (Up to 4½ digits)
• Overheating Protection
• Kelvin-type (4-wires) measurement
• Internal memory for up to 200 readings
• Built-in printer


Test currents 
100 A, 200 A (True DC). 
The current may be continuously adjustable from 0 to 100%. 

Resistance ranges 
0-1999 µΩ (test current: up to 200 A ).
0-19,99 mΩ (test current: up to 100 A). 

Reading resolution 
0.1 µΩ for R < 2000 µΩ.
1 µΩ for R < 20 mΩ.

Measurement Principle 
Four-terminal, Kelvin-type. 

Test voltage 
3.5 Vcc @ 200 A.
4,5 Vcc @ 100 A.
5,8 Vcc (without load).

Continuous operation time 
At 200 A this equipment may be used continuously for aprox. 1 minute before the thermal protection activates.
At 100 A this equipment may be used continuously for aprox. 15 minutes before the thermal protection activates. 

Basic accuracy
± 0.5% of reading ± 2 digits.

Maximum load resistance 
10 mΩ @ 200 A.
30 mΩ @ 100 A. 

Thermal protection
Protects all sensitive components, avoiding any damage due to overheating. 

Advanced features 
Digital direct reading of very low resistances in the alphanumerical display, with up to 4½ digits. Very fast and accurate measurements. 

SẢN PHẨM CÙNG DANH MỤC