Th0400 Precision Coaxial Shunt and 5ppm Accuracy Precision DC and AC Current Shunts
China Th0400 Precision Coaxial Shunt and 5ppm Accuracy Precision DC and AC Current Shunts, Find details about China I/V Transfer Standard, Standard Resistance from Th0400 Precision Coaxial Shunt and 5ppm Accuracy Precision DC and AC Current Shunts
Basic Info.
Model NO.
TH0400
Frequency Range
DC~100kHz
DC Ratio Accuracy
20ppm
Phase Displacement
5μrad
Trademark
TUNKIA
Origin
Chn
HS Code
9030339000
Model NO.
TH0400
Frequency Range
DC~100kHz
DC Ratio Accuracy
20ppm
Phase Displacement
5μrad
Trademark
TUNKIA
Origin
Chn
HS Code
9030339000
Product Desciption
TH0400 Precision Coaxial Shunt
Introduction
Features
Specification
Resistance
: The initial deviation of the DC resistance value has included the power coefficient influence error under the nominal current. When measuring other non-nominal currents, additional measurement accuracy should be introduced. The calculation formula is:
Current
Dimension and Weight
TH0230 Wiring AC/DC I/V transfer standard
Introduction
Specification
TH0240 Threading AC/DC I/V transfer standard
Introduction
Introduction
- TH0400, a series of 14 various ranges precision coaxial shunts.
- TH0400 can work in the DC ~ 100 kHz frequency range, converting 1 mA ~ 100 A nominal current into 1 V small current.
- DC ratio accuracy: 20 ppm;AC/DC difference: 20 ppm; phase displacement: 5.
- It is suitable for calibration of AC/DC high current source, current sensor, DC shunt, and other occasions where current needs to be measured precisely.
Features
- The nominal voltage is 1 V, can measure current by directly matching high-precision voltmeters or other measurement instruments.
- For 1 mA, 10 mA and other high resistance current shunts, combine with the model TH0600 to avoid errors caused by wire connection or input impedance drops of digital meters at high frequency.
- Compared to 0.5 V, 0.8 V and other voltage value, the 1V nominal voltage has a higher noise ratio, easier current conversion, faster error calculation, and accords with the 1-2-5 sequence principle of modern measurement.
- Precision components and production processes ensure the resistance value stable, the typical resistance change value is ±5 μΩ/Ω in 1 year, and the maximum resistance change value is ±16 μΩ/Ω in 1 year.
- Good heat dissipation, lower temperature coefficient and self-heating power factor ensure a good stability.
- Small phase displacement between the input current and the sampled voltage, the phase displacement is less than 0.0015 ° even at 1 kHz. This feature is critical for the measurement of non-sinusoidal and wideband signals, applied to analyze power quality and calibrate digital power meters.
- The capacity of loading current and withstanding current impulse is limited, but you can use a set of shunts to obtain a wide range of current measurement.
Specification
Resistance
| Inom | Unom (V) | Rnom (Ω) | Initial Deviation (μΩ/Ω) | Stability (μΩ/Ω) | Temperature Coefficient (ppm/K) | Power Coefficien (μΩ/Ω) | Imax Load | Instantaneous Current (<5 s) |
| 1 mA | 1 | 1 k | 50 | 18 | 2.5 | 1 | 2 mA | 3 mA |
| 10 mA | 1 | 100 | 50 | 18 | 2.5 | 1 | 20 mA | 50 mA |
| 20 mA | 1 | 50 | 50 | 18 | 2.5 | 1 | 40 mA | 100 mA |
| 50 mA | 1 | 20 | 50 | 18 | 2.5 | 1 | 100 mA | 200 mA |
| 100 mA | 1 | 10 | 50 | 18 | 2.5 | 2 | 200 mA | 500 mA |
| 200 mA | 1 | 5 | 50 | 18 | 2.5 | 4 | 500 mA | 1 A |
| 500 mA | 1 | 2 | 50 | 18 | 2.5 | 12 | 1 A | 2 A |
| 1 A | 1 | 1 | 50 | 18 | 4.0 | 25 | 1.5 A | 4 A |
| 2 A | 1 | 0.5 | 50 | 18 | 4.0 | 25 | 2.5 A | 5 A |
| 5 A | 1 | 0.2 | 50 | 18 | 4.0 | 30 | 5.5 A | 10 A |
| 10 A | 1 | 0.1 | 50 | 18 | 4.0 | 60 | 11 A | 25 A |
| 20 A | 1 | 0.05 | 50 | 18 | 4.0 | 75 | 22 A | 40 A |
| 50 A | 1 | 0.02 | 50 | 18 | 4.5 | 100 | 55 A | 90 A |
| 100 A | 1 | 0.01 | 50 | 18 | 4.5 | 100 | 110 A | 180 A |
- Remarks:
: The initial deviation of the DC resistance value has included the power coefficient influence error under the nominal current. When measuring other non-nominal currents, additional measurement accuracy should be introduced. The calculation formula is:
Current
| Inom | Max. AC/DC Diff. (ppm*FS) | Max. Phase Displacement (μrad) | |||||||
| 50 Hz | 1 kHz | 100 kHz | 53 Hz | 400 Hz | 1 kHz | 10 kHz | 50 kHz | 100 kHz | |
| 1 mA | 25 | 50 | 150 | 10 | 10 | 15 | 120 | 500 | 1000 |
| 10 mA | 20 | 25 | 50 | 5 | 5 | 10 | 100 | 400 | 800 |
| 20 mA | 20 | 25 | 50 | 5 | 5 | 10 | 100 | 400 | 800 |
| 50 mA | 20 | 25 | 50 | 5 | 5 | 10 | 100 | 400 | 800 |
| 100 mA | 20 | 25 | 25 | 5 | 5 | 10 | 60 | 300 | 500 |
| 200 mA | 20 | 25 | 25 | 5 | 5 | 10 | 60 | 300 | 500 |
| 500 mA | 20 | 25 | 25 | 5 | 5 | 10 | 60 | 300 | 500 |
| 1 A | 20 | 25 | 30 | 5 | 5 | 10 | 60 | 300 | 500 |
| 2 A | 20 | 30 | 50 | 10 | 10 | 15 | 110 | 500 | 1000 |
| 5 A | 20 | 30 | 80 | 10 | 15 | 25 | 200 | 1000 | 2000 |
| 10 A | 25 | 30 | 100 | 10 | 20 | 40 | 300 | 1500 | 3000 |
| 20 A | 25 | 30 | 100 | 10 | 25 | 50 | 400 | 2000 | 4000 |
| 50 A | 30 | 50 | 150 | 10 | 30 | 65 | 500 | 2500 | 5000 |
| 100 A | 30 | 50 | 200 | 20 | 40 | 80 | 600 | 3000 | 6000 |
| Remarks: : FS is full-scale value | |||||||||
Dimension and Weight
| Model | Name | Dimension (W × H × D, mm) | Weight (kg) |
| TH0400 - 1 mA | 1 mA shunts | 90 × 25 × 25 | 0.1 |
| TH0400 - 10 mA | 10 mA shunts | 90 × 25 × 25 | 0.1 |
| TH0400 - 20 mA | 20 mA shunts | 90 × 25 × 25 | 0.1 |
| TH0400 - 50 mA | 50 mA shunts | 90 × 25 × 25 | 0.1 |
| TH0400 - 100 mA | 100 mA shunts | 90 × 25 × 25 | 0.1 |
| TH0400 - 200 mA | 200 mA shunts | 110 × 70 × 70 | 0.2 |
| TH0400 - 500 mA | 500 mA shunts | 110 × 70 × 70 | 0.2 |
| TH0400 - 1 A | 1 A shunts | 110 × 70 × 70 | 0.2 |
| TH0400 - 2 A | 2 A shunts | 110 × 70 × 70 | 0.2 |
| TH0400 - 5 A | 5 A shunts | 110 × 70 × 70 | 0.2 |
| TH0400 - 10 A | 10 A shunts | 180 × 130 × 130 | 1 |
| TH0400 - 20 A | 20 A shunts | 180 × 130 × 130 | 1 |
| TH0400 - 50 A | 50 A shunts | 260 × 200 × 200 | 2.5 |
| TH0400 - 100 A | 100 A shunts | 260 × 200 × 200 | 2.5 |
| Remarks: Partial or full purchases are available, particular requirements can be customized by resistance and sampled voltage (e.g. 0.5 V and 0.8V). | |||
TH0230 Wiring AC/DC I/V transfer standard
Introduction
- TH0230, a series of I/V high-precision AC/DC current transfer standard, are divided into A, B, C, D four versions according to the accuracy.
- TH0230 can work in the DC, 10HZ~5kHz frequency range (3dB signal bandwidth ≥100kHz), converting 0.1A ~ 1kA nominal current into 1V small voltage.
- AC ratio measurement accuracy: 5 ppm(TH0230D), Best AC ratio measurement accuracy: 100 ppm(TH0230D), supporting positive and negative current measurement.
- DC current multi-lap zero adjustment potentiometer and locking device, primary input and secondary output have good electrical isolation, high common mode rejection ratio (CMRR).
- It is convenient to be connected into the large current loop with wiring structure. The secondary output can be equipped with high-precision voltmeter to achieve high-precise measurement of current.
- It is suitable for calibration of AC/DC high current source/meter (such as calibrator for clamp-meter), current sensor/transformer, electric welder, micro-ohmmeter and other occasions where current needs to be measured precisely.
- TH0230 can be used with broadband AC/DC V/V voltage divider, dual-channel voltage vector analyzer to set up high-precision AC/DC power/energy measurement system.
Specification
| Model | Primary Inom (A) | Secondary Unom (V) | measurement bandwidth (kHz) | Best Ratio Measurement Accuracy (ppm*FS) | ||||||||
| TH0230A | TH0230B | TH0230C | TH0230D | |||||||||
| DC | AC@ 53Hz | DC | AC@ 53Hz | DC | AC@ 53Hz | DC | AC@ 53Hz | |||||
| TH0230X-0.1A | 0.1 | 1 | ≥30 | 50 | 250 | 25 | 120 | 10 | 120 | 5 | 120 | |
| TH0230X-0.2A | 0.2 | 1 | ≥30 | 50 | 250 | 25 | 120 | 10 | 120 | 5 | 120 | |
| TH0230X-0.5A | 0.5 | 1 | ≥50 | 50 | 250 | 25 | 120 | 10 | 120 | 5 | 120 | |
| TH0230X-1A | 1 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-2A | 2 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-5A | 5 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-10A | 10 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-20A | 20 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-50A | 50 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-100A | 100 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-200A | 200 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-500A | 500 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 100 | |
| TH0230X-1kA | 1k | 1 | ≥100 | 50 | 250 | 25 | 120 | 10 | 120 | 7 | 120 | |
| Note : FS is full-scale value | ||||||||||||
- Measurement range:(10%~110%)*FS,positive and negative current measurement;
- Measuring frequency:DC,10Hz~5kHz
TH0240 Threading AC/DC I/V transfer standard
Introduction
- TH0240, a series of I/V high-precision AC/DC current transfer standard, are divided into A, B, C, D four versions according to the accuracy.
- TH0230 can work in the DC, 10HZ~5kHz frequency range (3dB signal bandwidth ≥100kHz), converting 200A ~ 10kA nominal current into 1V small voltage.
- Best DC ratio measurement accuracy: 5 ppm(TH0240D), Best AC ratio measurement accuracy: 100 ppm(TH0240D), supporting positive and negative current measurement.
- DC current multi-lap zero adjustment potentiometer and locking device, primary input and secondary output have good electrical isolation, high common mode rejection ratio (CMRR).
- It is convenient to be connected into the large current loop with threading structure. The secondary output can be equipped with high-precision voltmeter to achieve high-precise measurement of current.
- It is suitable for calibration of AC-DC high current source/meter (such as calibrator for clamp-meter), current sensor/transformer, electric welder, micro-ohmmeter and other occasions where current needs to be measured.
- TH0230 can be used with broadband AC/DC V/V voltage divider, dual-channel voltage vector analyzer to set up high-precision AC/DC power/energy measurement system.
| Model | Primary Inom (A) | Secondary Unom (V) | measurement bandwidth (kHz) | Best Ratio Measurement Accuracy (ppm*FS) | |||||||
| TH0240A | TH0240B | TH0240C | TH0240D | ||||||||
| DC | AC@ 53Hz | DC | AC@ 53Hz | DC | AC@ 53Hz | DC | AC@ 53Hz | ||||
| TH0240X-200A | 200 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | - | - |
| TH0240X-500A | 500 | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 50 |
| TH0240X-1kA | 1k | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 50 |
| TH0240X-2kA | 2k | 1 | ≥100 | 50 | 200 | 25 | 100 | 10 | 100 | 5 | 50 |
| TH0240X-5kA | 5k | 1 | ≥100 | 50 | 200 | 25 | 120 | 10 | 120 | - | - |
| TH0240X-10kA | 10k | 1 | ≥100 | 50 | 200 | 25 | 150 | 10 | - | - | - |
| Note : FS is full-scale value | |||||||||||
- Measurement range:(10%~110%)*FS,positive and negative current measurement;
- Measuring frequency:DC,10Hz~5kHz
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