TH0460 Coaxial Shunt Multiplexing Unit
TH0460 Coaxial Shunt Multiplexing Unit
This device is a precise and efficient channel selection/switching solution designed for coaxial shunts . It uses super-sensitive, high-efficiency, polarization-sealed relay technology to avoid interference or relay-induced measurement deviations. The system ensures accurate, stable, and high-performance current measurement in metrology laboratories and calibration environments.
Resistance Measurement Specifications
Range
Nominal Resistance (Ω)
Initial Deviation (±μΩ/Ω)
Year Stability (±μΩ/Ω)
Temperature Coefficient (±μΩ/Ω/K)
Power Factor (±μΩ/Ω)
1 mA
1000
50
18
2.5
1
10 mA
100
50
18
2.5
1
100 mA
10
30
12
2.0
1
1 A
1
30
12
2.0
3
10 A
0.1
30
12
2.5
5
20 A
0.05
30
12
2.5
8
Current Measurement Specifications
Range
Primary Nominal Current (A)
Secondary Nominal Voltage (V)
AC/DC Difference (ppm)
Max Working Current (A)
Instant Current (A, <5s)
1 mA
1 m
1
50 Hz: 25 | 1 kHz: 50 | 100 kHz: 150
2 m
3 m
10 mA
10 m
1
50 Hz: 20 | 1 kHz: 25 | 100 kHz: 50
20 m
150 m
100 mA
100 m
1
50 Hz: 20 | 1 kHz: 25 | 100 kHz: 25
200 m
1.5
1 A
1
1
50 Hz: 20 | 1 kHz: 25 | 100 kHz: 30
1.5
4
10 A
10
1
50 Hz: 20 | 1 kHz: 30 | 100 kHz: 100
11
30
20 A
20
1
50 Hz: 20 | 1 kHz: 30 | 100 kHz: 100
22
50
Key Features
Ultra-sensitive polarization-sealed relay switching technology
Designed specifically for precision coaxial shunt measurement
Exceptional stability with low temperature and power coefficients
Wide current measurement range from microamp to high-current applications
Low AC/DC deviation ensures measurement reliability
Supports high-frequency measurement up to 100 kHz
High overload capacity for short-term peak measurements
Ideal for calibration labs, metrology equipment testing, and research applications
