1. Summary
TH0350 is DC bridges calibrator that can accurately simulate a wide range of DC standard resistances. It can verify and calibrate single-arm bridges, double-arm bridges, high-precision DC resistance meters and digital micro-ohmmeters.
2. Features
DCI Measurement: 1 mA~11A
Analog Resistance Range: 100 μΩ~11 MΩ
Uncertainty: 50 ppm
Adjustment Fineness: 5nΩ
2-wire or 4-wire Resistance Mode
There is no residual resistance of the transfer switch and contact resistance.
LCD Touch Screen
3. Application
Calibration of Class 0.02 and below single and double arm bridges (e.g. QJ44, QJ42, QJ57)
Calibration of Class 0.02 and below DC resistance meter
Calibration of Class 0.02 and below temperature measuring bridge
4. Specifications
4.1 Low Value Resistor Simulation
Range | Fineness Adjustment | Measurement Uncertainty (k=2, Ppm*Rd+Μω)[1] | Input Current[2] | ||
24h ( 23 ± 1 )°C | 90days ( 23 ± 5 )°C | 1year ( 23 ± 5 )°C | |||
1 mΩ | 5 nΩ | 40 + 0.5 | 60 + 0.5 | 80 + 0.5 | 1 A~10 A |
10 mΩ | 50 nΩ | 40 + 1 | 60 + 1 | 80 + 1 | 0.5 A~5 A |
100 mΩ | 500 nΩ | 25 + 3 | 40 + 3 | 50 + 3 | 0.3A ~5 A |
1 Ω | 5 μΩ | 25 + 10 | 40 + 10 | 50 + 10 | 0.05 A~5 A |
10 Ω | 50 μΩ | 25 + 100 | 40 + 100 | 50 + 100 | 10 mA~300 mA |
100 Ω | 500 μΩ | 25 + 1000 | 40 + 1000 | 50 + 1000 | 1 mA~30 mA |
Note [1]: RD is the reading value, the same below; [2] When the current and resistance exceed the range, the resistance value will bring additional error |
Resistance Simulation Range: (10%~110%)*RG, 7-digit display
Wiring Method: 4-wire
Current Input Range: 1 mA ~ 11 A
Range Switching: manual/automatic shifting
4.2 Medium and High Value Resistance Simulation
Range | Fineness Adjustment | Measurement Uncertainty ( k=2, ppm*RD+Ω ) | Input Current | ||
24h (23±1)°C | 90days (23±5)°C | 1year (23±5)°C | |||
100 Ω | 500 μΩ | 12 + 0.002 | 20 + 0.002 | 25 + 0.002 | 1 mA~80 mA |
300 Ω | 1.5 mΩ | 12 + 0.003 | 20 + 0.003 | 25 + 0.003 | 1 mA~60 mA |
1 kΩ | 5 mΩ | 12 + 0.01 | 18 + 0.01 | 20 + 0.01 | 1 mA~12 mA |
3 kΩ | 15 mΩ | 12 + 0.03 | 18 + 0.03 | 20 + 0.03 | 0.1 mA~4 mA |
10 kΩ | 50 mΩ | 12 + 0.1 | 18 + 0.1 | 20 + 0.1 | 0.1 mA~2 mA |
30 kΩ | 150 mΩ | 12 + 0.3 | 18 + 0.3 | 20 + 0.3 | 10 μA~400 μA |
100 kΩ | 500 mΩ | 15 + 1 | 24 + 1 | 30 + 1 | 10 μA~200 μA |
300 kΩ | 1.5 Ω | 17 + 3 | 28 + 3 | 35 + 3 | 1 μA~40 μA |
1 MΩ | 5 Ω | 17 + 10 | 28 + 10 | 35 + 10 | 1 μA~20 μA |
3 MΩ | 15 Ω | 30 + 30 | 48 + 30 | 60 + 30 | 0.25 μA~4 μA |
10 MΩ | 50Ω | 65 + 100 | 110 + 100 | 130 + 100 | 0.25 μA~2 μA |
Resistance Simulation Range: (10%~110%)*RG, 7-digit display
Wiring Method: 4-wires /2-wires
Current Input Range: 250 nA ~ 80 mA
Range Switching: manual/automatic shifting
5. General Specifications
Power Supply | AC ( 220 ± 22 ) V,( 50 ± 2 ) Hz; |
Warm-up Time | Not less than 1 hour, and the warm-up time again after shutting down in the middle should not be less than 2 times the shutdown time; |
Maximum Power Consumption | 150 VA |
Temperature Performance | Working temperature: 18 °C ~ 28 °C; Storage temperature: -10 °C ~ 50 °C; |
Humidity Performance | Working humidity: (20% ~ 80%) R·H, non-condensing; Storage humidity: < 85% R·H, no condensation; |
Altitude | < 3000 m |
Weight | About 10 kg |
Communication Interface | RS 232、USB、IP |
Dimension | 400 mm ( W ) × 265 mm ( D ) × 190 mm ( H )(without feet and handles) |
|
Advanced Multifunction Calibrator Advanced Electrical Reference Standards Electric Vehicle (EV)Charging Facility Tester AC/DC Standard Source /Meter Single-phase/Three-phase Standard Meter Magnetic Parameters Measurement and Calibration Magnetic Material Testing Equipment Electrical Steel Testing Equipment