TH0210 Standard Resistance Measuring Apparatus
1. Summary
TH0210 is a direct-current-comparator bridge designed for the automatic measurement and display of the ratio of two resistances to high accuracy. It's applied for the measurement, comparison, transmission, verification of standard resistance.
2. Features
Current output: 100 μA ~ 3.2 A.
Resistance measurement: 1 mΩ ~ 100 kΩ(customizable).
0.5 ppm ~ 3 ppm(External Primary Standard Resistor)
Typical value of test period: about 4.5 minutes.
RS232 and LAN interfaces.
LCD touch screen.
Statistical analysis.
Dedicated software(optional).
3. Applications
| ☆ Calibrate 2-wire/4-wire resistor |
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| Recommend 4-wire mode when the value of resistor is ≤ 10 kΩ. |
| ☆ Establish automatic resistance measurement system |
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Multiple (up to 10) standard resistors.
The channel of reference standard resistance can be automatically switched according to the value of measured resistance.
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| Item |
Description |
| 1 |
The instrument adopts the measurement method of rough and precise measurement, to avoid the damage of mistake operation. |
| 2 |
Display the trend of resistor measurements. |
| 3 |
Automatically conduct comprehensive data analysis, and display the result value on the LCD screen. |
4. Specifications
| Resistor |
Resolution |
Reference Resistor |
Nominal Ratio |
Excitation Current |
Test power |
Meas. Accuracy (k=2 ,± μΩ/Ω) |
| 1 mΩ |
10 pΩ |
1 Ω |
0.001:1 |
3.16 A |
10 mW |
5 |
| 10 mΩ |
100 pΩ |
1 Ω |
0.01:1 |
1 A |
10 mW |
3 |
| 100 mΩ |
1 nΩ |
1 Ω |
0.1:1 |
316 mA |
10 mW |
2 |
| 1 Ω |
10 nΩ |
1 Ω |
1:1 |
100 mA |
10 mW |
0.5 |
| 10 Ω |
0.1:1 |
| 10 Ω |
100 nΩ |
1 Ω |
10:1 |
31.6 mA |
10 mW |
0.5 |
| 10 Ω |
1:1 |
| 100 Ω |
1:10 |
| 100 Ω |
1 μΩ |
10 Ω |
10:1 |
10 mA |
10 mW |
0.5 |
| 100 Ω |
1:1 |
| 1 kΩ |
1:10 |
| 1 kΩ |
10 μΩ |
100 Ω |
10:1 |
3.16 mA |
10 mW |
0.5 |
| 1 kΩ |
1:1 |
| 10 kΩ |
1:10 |
| 10 kΩ |
100 μΩ |
1 kΩ |
10:1 |
1 mA |
10 mW |
1.5 |
| 10 kΩ |
1:1 |
| 100 kΩ |
1 mΩ |
10 kΩ |
10:1 |
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- mA
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1 mW |
2.5 |
5. General Specifications
| Power supply |
AC ( 220 ± 22 ) V,( 50 ± 2 ) Hz; |
| Warm up time |
Twice the time since last warmed up, to a maximum of 60 minutes. |
| Maximum power consumption |
100 VA |
| Temperature performance |
Operating temperature: 18 °C ~ 28 °C;
Storage temperature: -20 °C ~ 60 °C; |
| Humidity performance |
Operating humidity: (20 % ~ 50%) R·H, non-condensing;
Storage humidity: (15 % ~ 80%) R·H, non-condensing; |
| Weight |
About 22.5 kg |
| Communication interface |
RS232,LAN |
| Dimensions |
485 mm(W)*355 mm(D)*220 mm(H) (Excluding handles and feets) |
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