TH3000 AC and DC Power Energy Measurement Standard

• After-sales Service: Life Time
• Warranty: 12 Months Excellent After-Sales Service
• Power: Electricity
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: TH3000
• LCD Display: With LCD Display
• Customized: Non-Customized
• Transport Package: Package for Exporting
• Specification: 400 mm(W); 302 mm(D); 206 mm(H)
• Trademark: TUNKIA
• Origin: China
• Production Capacity: 1000
• Package Size: 45.00cm * 35.00cm * 25.00cm
• Package Gross Weight: 15.000kg

Product Description

TH3000 AC and DC Power Energy Measurement Standard 

1. Summary

TH3000 is a high-precision, wide-range, multi-functional AC and DC power standard, the instrument integrates AC and DC standard voltage\current\small signal voltmeter, AC/DC energy measurement, ripple measurement, harmonic measurement and other functions.
 

2. Features

1. DC power/energy accuracy: class 0.005.
2. DC voltage accuracy: class 0.002; DC current accuracy: class 0.003.
3. DC voltage measurement: 10 mV ~ 1150 V.
4. Direct DC current measurement: 10 μ A ~ 120 A.
5. Support the transducer to expand the current range to 500 A or more.
6. DC small-signal voltage measurement: 0.1 m V ~ 12 V
7. Support DC ripple, AC 2nd ~ 63rd harmonic measurement.
8. Comprehensive statistics analysis of the measured electricity.
9. Standard energy pulse input/output function.
10. USB, RS232 and LAN interfaces.
11. LCD touch screen.

 

3. Applications

Note: When using TH30000 to calibrate electrical measuring devices or resistors, it is necessary to use the orresponding test power supply.
 

1. Calibrating energy metering device: the instrument can be used as a high-grade electric energy standard meter, used to assess AC energy meter verification device, DC energy meter verification device, standard energy meter, electric vehicle charger tester and other equipment, its DC+AC measurement mode is also especially suitable for the verification and calibration of DC energy meter verification device with ripple detection function.
2. Calibrate the electrical measurement standard sources: direct verification or calibrate AC and DC voltage sources, current sources, power sources, etc.
3. Calibrating electrical measuring instruments: it can be used as a standard meter, with the test power supply to verify or calibrate voltmeters, ammeters, resistance meters, power meters, power factor meters, frequency meters, phase meters, transmitters, sensors, etc.

 

4. Characteristics

☆ Wide range of current measurement

1. Direct current measurement: use a pair of quick connect terminals to directly measure 10 μ A ~ 120 A (DC);10 μA ~ 80 A (AC) wide range DC current.
2. Current conversion measurement: The instrument is equipped with a sensor-specific measurement interface, which can supply power to the sensor and measure its secondary signal at the same time, and can be connected to a precision current sensor (such as TH0540) to extend the current range to 500 A, 1 kA or even more, and directly display the size of the primary current of the measured sensor by setting the ratio of the current sensor on the instrument.

 

☆ AC/DC comprehensive measurement

1. The instrument supports DC, AC and DC+AC measurement modes, AC fundamental frequency: 40 Hz ~ 1 kHz.
2. When measuring voltage or current, distortion and ripple measurements can be completed simultaneously, and the maximum measurement bandwidth of DC ripple is 5 kHz, and AC supports the measurement of the 2nd ~ 63rd harmonic.
3. The DC+AC measurement function is very suitable for detecting energy meter verification devices with ripple or harmonic output.

 

☆ Precision small signal voltage measurement

1. Support 0.1 m V ~ 12 V (DC); 2 m V ~ 10.2 V (AC) small signal voltage measurement, equipped with ultra-low thermal electric potential terminals and test wires, and can improve measurement accuracy and withstand overload signals up to 150 Vpk at most.
2. Application scenario 1: With a stable high-current source and precision current sensor, it can be used to calibrate shunts or other I/V converters.
3. Application scenario 2: With its own precision voltage measurement function, it can be used to evaluate the indirect access DC energy meter verification device.

 

☆ Power calculation function

 

1. The instrument has the function of power calculation, the user can connect the voltage divider, shunt, transformer, sensor and other range extenders, and set the scale k and offset b, measure the secondary output signal x of the extender through the instrument, and then calculate the actual value of the primary electricity to be measured according to the function f(x) = kx + b.

 

☆ DC ripple / AC harmonic measurement
S/N	Function
1	With DC ripple test function, it can measure the ripple content in the range of 1 Hz ~ 5 kHz. The ripple waveform can be displayed in real time, and the rms value (RMS) and peak-to-peak value (P-P) of the ripple can be measured.
2	AC power measurement also has an oscilloscope function, which can display the waveform of the AC signal under test in real time.
3	Calculate two types of harmonic distortion: THD/T (harmonic relative to full wave) and THD/F (harmonic relative to fundamental wave).
4	The amplitude (RMS), content (%) and phase of the 2nd ~ 63rd harmonic of each phase voltage or current can be analyzed in real time.
5	Visualize the spectrum of each harmonic (100% fundamental) in the form of a histogram.

 

☆ Data statistical analysis function
S/N	Function
1	Data statistical analysis: calculate the maximum (Max), minimum value (min), peak-peak (P-P), average value (AVG), standard deviation (S.dev), divergence (Div), etc. of the measured electricity.
2	Power Trend Test: Curve the power over time in real time during the test cycle.
3	Normal distribution histogram: Displays the distribution of the amount of electricity being counted during the test period.

 

5. Specifications

5.1 AC and DC voltage measurement

Voltage range	Resolution	Measurement uncertainty (k=2), (ppm*RD + ppm*RG or V)^[1].
		DC	40 Hz≤F≤200 Hz	200 Hz<F≤1 kHz	Temperature coefficient (/°C) @(15 ~ 30)°C
100mV	10 nV	20 + 2 m	80 + 40	100 + 50	0.2
300 mV	10 nV	12 + 15	80 + 40	100 + 50	0.2
1 V	0.1 μV	12 + 8	80 + 40	100 + 50	0.1
3 V	0.1 μV	12 + 8	80 + 40	100 + 50	0.1
10 V	1 μV	12 + 8	80 + 40	100 + 50	0.1
30 V	1 μV	12 + 8	80 + 40	100 + 50	0.1
100 V	10 μV	12 + 8	80 + 40	100 + 50	0.1
300 V	10 μV	12 + 8	80 + 40	100 + 50	0.1
1000 V	0.1 mV	12 + 8	80 + 40	100 + 50	0.1
Note: [1] RD is the reading value and RG is the range value

1. Direct flow measurement range: ± (10 mV~1150 V), manual/automatic shifting.
2. Intersection measurement range: 10 mV~800 V (RMS), manual/automatic shifting.
3. Input bandwidth: 50 kHz
4. Minimum resolution: 10 nV, 8-digit decimal number display.
5. Input resistance: 1 MΩ
6. Input protection: 1200 V_pk, continuous.

 

5.2 AC and DC current measurement

Current range	Resolution	Measurement uncertainty (k=2), (ppm*RD +ppm*RG or nA)
		DC	40Hz≤F≤200Hz	200Hz<F≤1 kHz	Temperature coefficient (/°C) @ (15 ~ 30)°C
100 μA	10 pA	30 + 3 nA	150 + 50	200 + 50	0.1
300 μA	10 pA	30 + 10 nA	150 + 50	200 + 50	0.1
1mA	0.1 nA	20 + 10	100 + 50	150 + 50	0.1
3 mA	0.1 nA	20 + 10	100 + 50	150 + 50	0.1
10 mA	1 nA	20 + 10	100 + 50	150 + 50	0.1
30 mA	1 nA	20 + 10	100 + 50	150 + 50	0.1
100 mA	10 nA	20 + 10	100 + 50	150 + 50	0.1
300 mA	10 nA	20 + 10	100 + 50	150 + 50	0.1
1 A	0.1 μA	20 + 10	100 + 50	150 + 50	0.1
3 A	0.1 μA	20 + 10	100 + 50	150 + 50	0.1
10 A	1 μA	20 + 10	100 + 50	150 + 50	0.1
30 A	1 μA	20 + 10	100 + 50	150 + 50	0.1
100 A	10 μA	20 + 10	100 + 50	150 + 50	0.1
200 A^[2]	10 μA	30 + 10	150 + 50	200 + 50	0.1
500 A^[2]	10 μA	30 + 10	150 + 50	200 + 50	0.1
Note [2]: 200 A and 500 A range currents are optional, and optional current sensors such as TH0540 must be used for range extension.

1. DC measuring range: ± (10 μA~120 A), manual/automatic shifting. The mating sensor extends the DC current limit to 240 A or 600 A.
2. AC measuring range: 10 μA ~ 80A (rms), manual/automatic shifting. Mating sensors extends the AC current up to 160 A or 400 A (RMS).
3. Input bandwidth: 50 kHz
4. Minimum resolution: 0.1nA, 8-digit decimal number display.

 

5.3 AC/DC small-signal voltage measurement

Voltage range	Resolution	Absolute measurement uncertainty (k=2), ± (ppm*RD + ppm*RG or μV).
		DC	40Hz≤F≤200Hz	200Hz<F≤1 kHz	Temperature coefficient (/°C) @ (15 ~ 30)°C
1 mV	0.1n V	50 + 0.3 μV	-	-	0.5
5 mH	0.1n V	50 + 0.5 μV	-	-	0.5
20 mV	1 nV	50 + 0.6 μV	100 + 3.0 μV	120 + 4.0 μV	0.5
100 mV	10 nV	40 + 15	80 + 40	100 + 50	0.2
500 mV	10 nV	40 + 15	80 + 40	100 + 50	0.2
2 V	0.1 mV	30 + 10	80 + 40	100 + 50	0.1
10 V	1 mV	30 + 10	80 + 40	100 + 50	0.1

1. DC measuring range: ± (0.1 mV~12 V), manual/automatic shifting.
2. AC measurement range: 2 mV~10.2 V (RMS), manual/automatic shifting.
3. Input bandwidth: 50 kHz
4. Minimum resolution: 0.1 nV, 8-digit decimal number display.
5. Input resistance: > 1 GΩ.
6. Input protection: 150 V_pk, continuous.

 

5.4 Ripple measurement function

1. Ripple measurement band: 1 Hz~5 kHz
2. Ripple measurement uncertainty (k=2): 0.1%*RG@ (50 Hz~1 kHz), rms
3. Ripple energy accuracy: ± 0.05%*RD@AC 300 Hz

 

5.5 Power/energy measurement

DC power / electrical energy	Measuring range	Combination of DC voltage and DC current
	Measurement uncertainty	DC voltage uncertainty + DC current uncertainty
AC power / electrical energy	Measuring range	The combination of AC voltage and AC current
	Measurement uncertainty	AC voltage uncertainty + AC current uncertainty, | PF|=1
Electrical energy pulses	Standard energy pulse input	It can directly receive the photoelectric pulse of the energy of the meter to be checked
	Standard energy pulse output	The signal amplitude is 5 V at TTL level FH=120 kHz × power value÷ voltage range value÷ current range value FL=120 kHz × power value÷ voltage range value÷ current range value÷ 10000
	Electrical energy error display	Automatic display with a resolution of 0.00001%, 8-bit display

 

6. General Specifications

Power supply	AC (220 ± 22 ) V, ( 50 ± 2 ) Hz, maximum power consumption: 100 VA
Warm-up time	30 minutes
Temperature performance	Working temperature: 15°C ~ 35°C; Storage temperature: -10°C ~ 50°C
Humidity performance	Operating humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C Storage humidity: (20% ~ 80%) R· H, no condensation
altitude	< 3000 m
Quality	Approx. 11 kg
Communication interface	RS232
Size	400 mm(W) × 302 mm(D) × 206 mm(H)

 

6. Ordering Information