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) ppmRD +ppmRG		Temperature Coefficient (/℃)
Range	Resolution	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) ppmRD +ppmRG				Temperature Coefficient (/℃)
Range	Resolution	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)
Model	Frequency (Hz)	Accuracy (k = 2)	Phase (I ≥ 50 mA)	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)^①	120＜F≤400	45≤F≤120(65)^①	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.