RJ8921P AC/DC Power Measuring Instrument (referred to as the measuring instrument) with ADI high-performance ARM71 series controller as the core, using pure resistance sampling, no distortion, suitable for AC/DC true RMS measurement, widely used in single-phase power equipment, voltage, current, power, power factor, frequency, electrical energy, time and other electrical parameters measurement, measurement of a wide range of 3-window LED bright display, operation, simple and practical, standard with serial communication, simple and practical, standard with serial communication.
l High measurement accuracy of 0.2 class;
l TTRMS Value RMS AC/DC test;
l Minimum measurement current of 2mA, and it can realize measurement of standby power consumption;
l Fast measurement speed, the maximum refresh rate could reach 200 ms;
l Voltage, current ratio setting function, easy to extend the measurement range;
l Voltage, current, power overrun sound and light alarm function, which can meet the need to quickly identify abnormal products in the field;
l RS-232 or RS-485 serial communication port for easy test automation and data transfer;
l Beautifully designed appearance, small size and light weight.
Model | RJ8921P |
Measuring channel | Single-phase |
Measured parameters | Voltage U, current I, active power P, reactive power Q, apparent power S, power factor λ, phase angle φ,voltage frequency f, electric energy Wh, electric energy timing Time |
Peak factor at full scale | 1.6 |
Voltage rated range | 600V |
Current rated range | 5A card: 1A/5A 20A card: 1A/20A 50A card: 1A/50A |
Voltage accuracy range | AC/DC:3~600V |
Current accuracy range | AC/DC:1mA~1A/40A(Option:0.1mA~100mA/5A) |
Voltage/Current measurement accuracy | DC, 45Hz~65Hz:±(0.1%rdg.+0.1%f.s.) |
Active power measurement accuracy | DC ± (0.1%rdg.+0.1%f.s.) PF>0.5: ±(0.1%rdg.+0.1%f.s.) PF≤0.5: ±(0.25%rdg.+0.25%f.s.) |
Reactive power | PF=0:±(0.25%rdg.+0.25%f.s.) |
Active power resolution | 0.001W |
Power Factor Range | ±(0.100～1.000) |
Power factor accuracy | ±0.01 (Both voltage amplitude and current amplitude should be greater than 10% of the corresponding range) |
Frequency measurement range | DC,45Hz~65Hz |
Frequency measurement accuracy | ±(0.1%rdg.) (Voltage amplitude should be greater than 10% of the range) |
Electrical energy range | 0～999999MWh |
Electrical energy Accuracy | PF>0.5:±(0.1%rdg.+0.1%f.s.) PF≤0.5:±(0.25%rdg.+0.25%f.s.) |
Electrical energy timing | 999 hours, 59 minutes, 59 seconds (±0.05%) |
Electrical Energy Timing Accuracy | ±(0.05%rdg.) |
Voltage/Current Ratio | 1~2000 |
Data update cycle | 0.25,0.5,1[s] |
Alarm Function | 5 groups, voltage, current, power upper/lower limit, threshold setting |
Control Interface | RS232 (optional RS485) PLC (optional) |
Operating Environment | 23±5℃,30%RH~75%RH |
Power Supply | AC220V,50/60Hz |
Weight | 3.7kg |
External Dimension | 213mm×88mm×386mm (W×H×D) excluding the feet height, the feet height is15mm |
Opening size | 210×85(W×H)mm |
Accompanying documents and Accessories | 1 instruction manual, 1 power cord (1.5 meters), 1 communication cable (1.5 meters) |
Ruijie Instrument
4008-515-616
