HPMT8 high-precision program-control and multi-function three-phase measure system

HPMT8 serial products are specially designed according to stipulated technique requirement of SD-110-83 (inspection regulations of electrical measure’s directing instrument) and GB13850 (the measure convertor that changes AC to DC). It’s convenient to inspect various electrical measuring transducer and guiding instrument, such as voltage meter, current meter, power factor meter, frequency meter, phase meter. The system is composed of signal source of sine wave combined by figures, high stability and reliable feedforward amplifier, part of self-inspection and standard sampling apparatus. There is one special controller with singlechip in the center, which is set by means of keyboard operation. It’s convenient to realize voltage regulation, current, frequency, phase, power benchmark and automatic test. Especially the choice of menu, users can operate directly and visually.  

The machine has perfect functions of voltage short and open current and makes sure that the equipment works safely. HPMT8 three-phase full-function automatic measure equipment is suitable test equipment used by power, electric apparatus and metrical department.

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HPMT8-1multi-functional portable test equipment
HPMT8-1 has features of lightweight, small volume and perfect function. It has changed such situation that most equipment has lots of switches, complex structure and operation, and make operators feel that it is clear and simple. Especially the choice of LCD screen, the operating state is showed on screen clearly. In process of using, the operation will indicate on screen, guiding workers to use correctly step by step. This kind of operation is easy and convenient to learn.

HPMT8-1 adopts the style of putting meter and source in one state, and has the feature of ration and phasing source. So it can make action on hand, inspect automatically for indicating instrument, single & three-phase electric energy meter and transducer without any voltage, electric current and standard electric power, and print the result of inspection. Because of standard RS232 joint the test process can be operated on computer.

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YS\YP Series
Sets of accurate calibration system of electric energy meter(YS、YP series)Among VS series ys/yp type of full-automation high-stability power measure system of electric energy meter apply advanced technology —digital composition, DSP system and computer science. It has the features of excellent performance, convenient operation, regulated capacity and credible quality. It is necessary equipment needed by workshop and power system which produce professionally electric meter.

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HLRTU-3 type standard measure equipment 

HLRTU-3 type standard measure equipment is generated newly which apply international advanced digital electronic technology and (DSP) simulation electronic technology and that is equipped with LCD and full Chinese menu. By keyboard or RS-232 interface to computer operation can be arranged. Favorable security, high stability, small volume, light weight and convenient carrying have been set on the equipment.

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GXM305 multi-function calibration instrument (three-phase multi-function standard meter)

GXM305 multi-function measure equipment is three-phase multi-function standard instrument with new design and advanced technology. It can measure AC voltage, current, active power, reactive power, electric energy, power frequency, DC voltage & current. Measure three-phase active power，reactive power, count out power benchmark, and  indicate in three windows. When it measures voltage, current, active power and reactive power, it also measures direct current or voltage connected from outside. From the two results quoted error is counted out, and operation is showed on three windows, too. Because of many windows in process of power test, electricity power count, revolution changing and error can be seen. There is 5 figures reading in the power and frequency test. Span and power energy may be operated on the keyboard and controlled by program. We can add all sorts of input measurement on the behind board, and there is analog voltage and frequency output. Except that the error of reactive power is 1/1000, the others is higher than 5/1000. Because it overcomes the interference of common mode, it’s suitable for present situation.

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VSJ-C type of computer-control relay protection test equipment

Attach with transistor relaying test equipment；Inspect automatically relay’s action value, returning value, returning constant, action time and function continuously;High-precision power current output.  VST-C reference test instrument has regulated voltage source with AC and direct current of high accuracy and current source, and turns frequency conversion, phase-shift, time measure and test instrument into integration. It can test voltage relay, current relay, time relay, impedance relay, low frequency relay, power direction relay, signal relay, differential relay, repeater relay, synchronous relay, coincide switch relay. This equipment can simulate single-phase circuit obstacle. The circuit from the first stage to the second will finish immediately.