The multi-function electric energy meter field calibrator is a high-accuracy test instrument developed and developed by our company as a whole integrating electrical parameter measurement, electric energy meter verification and wiring judgment. The instrument is equipped with high-precision, high-linearity voltage transformers and current transformers, so that the instrument has high measurement accuracy for various parameters. At the same time, it is equipped with a clamp-type current transformer, which makes the field wiring easy and does not need to disconnect the current loop. Can be accessed directly.

The instrument adopts large-screen color LCD as display, full Chinese graphical user interface, Chinese character prompt information, multi-parameter liquid crystal display interface, human-machine dialogue friendly interface, vector diagram display and wiring judgment provided for the correctness of the inspection circuit. A reliable basis. Full touch type conductive silicone keyboard operation, operation feel good, easy to learn. The built-in large-capacity power-down device does not lose data memory. It can save on-site verification data and can store up to 1,000 sets of on-site verification results. It can provide back-end microcomputer management software, upload results to a computer, and implement computerized management.

The instrument adopts an engineering plastic shell independently designed and manufactured by the company. The appearance of the instrument is beautiful and practical. Field test is easy to operate.

During the operation of the machine, the rear bracket can be opened for use on the desktop, and it can also be used by hand. To facilitate hand-held operation, the machine can be added with a stationary hand-held fastening tape. Hand-held operation can be fixed on the left side of the instrument to ensure that the hand-held operation is convenient and flexible.

First, functional characteristics

1. The instrument is a high-precision test instrument integrating power meter verification, electrical parameter testing , and power quality problems such as waveform distortion, voltage fluctuation, and three-phase unbalance in the power grid .

2. Comprehensive error of online real-time load measurement and measurement equipment without power failure, without changing metering circuit, without opening metering equipment.

3 , accurate measurement of voltage, current, active power, reactive power, phase angle, power factor, frequency and other electrical parameters, and thus calculate the test equipment loop measurement error.

4 , can display the vector diagram of the measured voltage and current, the user can analyze the vector diagram to determine whether the measurement equipment wiring is correct or not. At the same time, in the three-phase three-wire connection mode, 48 kinds of connection modes can be automatically judged ; the automatic calculation of the post-supply power facilitates the use of the user to calculate the post-consumed power for the user who has a problem with the connection.

5 , the current loop can be measured using a clamp-type transformer, the operator can easily and safely measure without disconnecting the current loop.

6 , can check the voltmeter, ammeter, power meter, phase meter and other indicating instruments and three-phase three-wire, three-phase four-wire, single-phase 1A , 5A various active and reactive energy meter.

7 , can use photoelectric, manual, pulse and other ways to check the meter.

8, the measurement and analysis utility grid AC power supply quality of the user terminal, measurement analysis: frequency deviation, voltage variation, voltage fluctuation, and imbalance phase voltage harmonic.

9. It can display single-phase voltage and current waveforms and can simultaneously display three-phase voltage and current waveforms.

10 , load fluctuation monitoring: measurement and analysis of various electrical equipment under different operating conditions on the public power grid power quality caused by fluctuations. Record and store power parameters such as voltage, current, active power, reactive power, apparent power, frequency, and phase.

11 , dynamic monitoring of power equipment adjustment and operation process, to help users solve the problem of power equipment adjustment and operation.

12. Test and analyze the dynamic parameters of reactive power compensation and filter devices in the power system and make quantitative evaluation of their functions and technical indicators.

13 , with calendar, clock function, real-time display date and time. The test data and results can be saved at the same time as the on-site verification, and uploaded to the computer through the serial port, and the data is managed through the back-end management software (optional accessories).

14 , the use of large screen imported color LCD as a display, Chinese graphical user interface and equipped with Chinese characters prompt information, multi-parameter display of the liquid crystal display interface, man-machine dialogue interface friendly

15 , small size, light weight, easy to carry, can be used for on-site measurement, can also be used as a standard laboratory measurement equipment.

Second, technical indicators 1 , input characteristics

Voltage measurement range: 0 ~ 400V , 57.7V, 100V, 220V, 400V four-speed automatic switching range.

Current measurement range: 0 ~ 5A , built-in transformer is divided into 5A (CT) file. Clamp-type transformers are 5A (small pincers), 25A (small pincers), 100A (middle pincers), 500A (middle pincers), 400A (tongs), 2000A (tongs) six stalls. (Among them, medium and large clamps are optional)

Phase angle measurement range: 0 ~ 359.999 °.

Frequency measurement range: 45 ~ 55Hz .

2 , accuracy

Metering check section:

Voltage: ±0.05% (±0.1%)

Current: ±0.05% (±0.1%) (±0.5% for Clamp Transformer)

Active power: ±0.05% (±0.1%) (±0.5% for clamp transformer)

Reactive power: ±0.3% (±0.5%) (±1.0% of clamp transformer)

Active energy: ±0.05% (±0.1%) (±0.5% for clamp transformer)

Reactive power: ±0.3% (±0.5%) (±1.0% for clamp transformer)

Frequency: ±0.05% (±0.1%)

Phase: ±0.2°

3 , power quality

Fundamental voltage and current amplitude: fundamental wave voltage allowable error ≤ 0.5% FS; fundamental wave current allowable error ≤ 1% FS

Measurement error of phase difference between fundamental voltage and current: ≤ 0.5°

Harmonic voltage content rate measurement error: ≤0.1%

Harmonic current content rate measurement error: ≤0.2%

Three-phase voltage imbalance error: ≤ 0.2 %

4 , working temperature

Working temperature: - 10 °C ~ +40 °C

5 , insulation

⑴, voltage, current input terminal housing insulation resistance ≥ 100M?.

           (2) The input power of the working power source is subject to the power frequency 1.5KV (effective value) between the housings , which lasted 1 minute.

6 , standard electric energy pulse constant

Standard energy pulse constant: Built-in transformer constant ( FL ) = 10000 r/kW · h ,

Clamp Transformer Constant ( FL ):

5A

25A

100A

500A

400A

2000A

10000r/KW ·h

2000 r/KW ·h

500 r/KW ·h

100 r/KW ·h

125 r/KW ·h

25 r/KW ·h

7 , weight

Weight: 2Kg

8 , the volume

Volume: 25cm × 16cm × 6cm

Industrial Robot

Our armed industrial robot is mainly used to grinding. In the end of the robot, our Force Control System is installed on. Now robot have four-axis and six-axis. Robot will impose force to our force control system, force control system will absorb the force and the shock, in the program control, our force control system will impose special force onto workpiece. This means flexible control.

Four-axis industrial robot, six-axis industrial robot, armed industrial robot, grinding robot

DARU Technology (Suzhou) Co., Ltd. , https://www.darudfc.com