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TD3810/TD3810R Field Detector for Three-Phase Power Devices

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Introduction

  • TH3810/TH3810R are two three-phase AC standard instruments, with accuracy of 0.01% and 0.02%.

  • It can simultaneously measure multiple electrical parameters in an measuring circuit, such as voltage, current, frequency, phase, harmonic, active power/electric energy, reactive power/electric energy, apparent power, power factor, etc.

  • Fundamental frequency of TH3810: 45 Hz ~ 65 Hz; Fundamental frequency of TH3810R: 45 Hz ~ 400 Hz, it meets the requirements of the new national standard and R46 directive for electric energy measurement

  • Applied to calibrate AC standard source, and can be used as a standard for electric energy metering.


Features

  • Wide range of direct current measurement: a pair of terminals can be used to measure the wide range AC current measurement.

  • The minimum current measurement of TH3810R is as low as 0.2mA, which can check the accuracy and stability of power / energy of the device and standard meter at the minimum starting current.

  • Harmonic Analysis: Measure 2nd ~ 127th harmonic, analyze harmonic content and total harmonic distortion, and draw harmonic histogram.

  • Waveform Display: Oscilloscope function can display the waveform of the measured electrical parameters in real time.

  • High reliability, the switch will not damage the instrument in a limit state (e.g. 500 V, 100A), but can also ensure the value accurate.

  • Statistics and Analysis of Data: Calculate the electrical parameters such as the maximum, minimum, average, difference, standard deviation, etc.

  • Magnetic Field Measurement: Measure the magnetic induction or other weak AC magnetic field at the measured meter position of the electric energy meter calibrators.

  • Meter Potential Difference Measurement: Measure the meter potential difference of the calibrators for AC electrical energy meters.

  • Temperature and humidity measurement.

  • Clock Measurement: A built-in PPS standard second pulse I/O function can calibrate time for the measured devices with the ability to sustain voltage of 380 V.

  • Excellent Human-computer Interaction: LCD touch screen, more intuitive of value display and easier operation. it is equipped with RS232, USB, RJ45 interfaces, which is convenient to set up a full-automatic measurement system.

  • The proprietary software that meets the requirements of JJG 597-2005, supports on-site to analyze errors, record data and print reports for the measured devices.

Specification


Three-Phase Voltage Measurement

Range

Resolution

Accuracy (k   = 2) ppm*RD +ppm*RG

Temperature Coefficient (/℃)

0.02%

0.01%

TD3810

TD3810R

60 V

10 μV

60 + 40

30 + 20

<1.0

<0.5

120 V

0.1 mV

60 + 40

30 + 20

<1.0

<0.5

240 V

0.1 mV

60 + 40

30 + 20

<1.0

<0.5

480 V

0.1 mV

60 + 40

30 + 20

<1.0

<0.5

l  Measuring Range: 6 V ~ 528 V

  • Range Switching: Automatic or Manual


Three-phase Current Measurement

Range

Resolution

Accuracy (k = 2) ppm*RD +ppm*RG

Temperature Coefficient (/℃)

TH3810(0.02%)

TH3810(0.01%)

TH3810R(0.02%)

TH3810R(0.01%)

0.02%

0.01%

5 mA

1 nA

——

——

600 + 400

300 + 200

< 10

< 5.0

10 mA

10 nA

300 + 200

150 +100

300 + 200

150 +100

< 5.0

< 3.0

20 mA

10 nA

150 + 100

80 + 50

150 + 100

80 + 50

< 2.5

< 1.5

50 mA

10 nA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

100 mA

0.1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

200 mA

0.1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

500 mA

0.1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

1 A

1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

2 A

1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

5 A

1 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

10 A

10 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

20 A

10 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

50 A

10 μA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

100 A

0.1 mA

60 + 40

30 + 20

60 + 40

30 + 20

< 1.0

< 0.5

  • Measuring Range of TH3810: 1 mA ~ 120 A

  • Measuring Range of TH3810R: 0.5 mA ~ 120 A

  • Range Switching: Automatic or Manual


Frequency and Phase

Model

Frequency (Hz)

Accuracy

(k = 2)

Phase

(I ≥ 50   mA)

Accuracy   (k = 2) (Hz)

45≤F≤120

120≤F≤400

TH3810(0.02%)

45.000   0 ~ 65.000 0

50   ppm*RD

0.000° ~ 359.999°

0.01 °

——

TH3810(0.01%)

45.000   0 ~ 65.000 0

50   ppm*RD

0.000° ~ 359.999°

0.005 °

——

TH3810R(0.02%)

45.000   0 ~ 400.000

50   ppm*RD

0.000° ~ 359.999°

0.01 °

0.02 °

TH3810R(0.01%)

45.000   0 ~ 400.000

50   ppm*RD

0.000° ~ 359.999°

0.005 °

0.01 °


Three-phase Power and Electric Energy

Parameter

Type

U Range

I Range

Accuracy (k = 2) of Power and Electric Energy at Diff. Frequency (Hz)

0.02%

0.01%

45≤F≤120(65)

120<F≤400

45≤F≤120(65)

120<F≤400

Active   Power/

Electric   Energy

|cosφ| ≥0.5

Reactive   Power/

Electric   Energy

|sinφ| ≥0.5

TH3810

30 V≤U≤480 V

20 mA≤I≤120 A

0.02%*RD

——

0.01%*RD

——

10 mA≤I≤20 mA

0.05%*FS


0.02%*FS


1 mA≤I≤10 mA

0.1%*FS

——

0.05%*FS

——

TH3810R

30 V≤U≤480 V

20 mA≤I≤120 A

0.02%*RD

0.05%*RD

0.01%*RD

0.02%*RD

10 mA≤I≤20 mA

0.05%*FS

0.1%*FS

0.02%*FS

0.05%*FS

5 mA≤I≤10 mA

0.1%*FS

0.2%*FS

0.05%*FS

0.1%*FS

0.5 mA≤I≤5 mA

0.2%*FS

0.5%*FS

0.1%*FS

0.2%*FS

  • Notes: ①: The superior limit of operating frequency of TH3810 is 65Hz;

  • Power / Electric Energy Measuring Range: Combination of DC voltage range and DC current range.

  • Power Factor Measuring Range: -1.000 00…0.000 00…1.000 00

  • Output of Standard Electric Energy Pulse: High frequency FS @ 60 kHz, low frequency FS @ 6 Hz.

  • Input of Standard Electric Energy Pulse: Frequency≤200 kHz, input level 0…3.3 V…24 V.


Meter Potential Difference and Clock

  • Range: 5 mV、50 mV、500 mV、5 V

  • Accuracy: 0.2 mV

  • It can withstand 250V voltage continuously. PPS standard second pulse output / measurement.

  • Accuracy: 0.1 ppm


Device Magnetic Field Measurement

  • Range: 100 μT、1 mT, 5-digit display

  • Accuracy: 0.5%

  • Probe: Three-axis magnetic field sensing probe

  • Remark:It is used to measure the magnetic flux density or environmental magnetic field at the position of the meter being tested.


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