Dimension:customized | custom processing:Yes | Measuring range:0-9999 |
Model NO.: RH-Q | accuracy class: 2 | Installation:embedded |
Brand name: REHE | Usage: high precision measurement of three phase reactive power | Auxiliary power supply:DC 80V-270V, DC48V, DC24V, AC220V |
Perfomance Characteristics |
High precision measurement of single or three phase reactive power |
Provide the digital tube display, local data query |
Current and voltage gain programmable settings |
Support for RS-485 communication, Modbus-RTU protocol |
Support for switching input, output, analog quantity transmitting output |
Auxiliary power supply: ACDC 80V-270V, AC220V, AC380V, AC100V, DC48V, DC24V |
A variety of shapes, to meet the different requirements of the cabinet body electric circuit |
Technical Index |
Accuracy of measurement | active power 0.5,depending on the power level 0.5 |
Singal input | Connection mode of single phase, three phase four wire, three phase three line |
| Rated voltage of AC57.7V,AC100V,AC220V,AC380V |
| Rated current of AC 1A, AC 5A |
| Over load:voltage of 1.2 times( Continued ), 2times / second ( instantaneous ) |
| Current of 1.2 times( Continued ), 10times / 5second ( instantaneous ) |
| Power consumption voltage: <1VA/ phase, current <0.4VA/phase |
| Impedance:voltage>300KΩ current <20mΩ |
| Frequency: 45-65Hz |
Auxiliary power supply | Working range of ACDC 80V-270V,AC220V,AC380V,AC100V,DC48V,DC24V |
| Power consumption:<4VA |
Function module | Communication interface 1 way RS-485 communication, Modbus-RTU protocol |
| Baud rate: 1200~9600bps, the default 2400bps |
| Switch input support 4 stem node input |
| The switch output support 3 relay output, capacity:AC2505A,DC30V5A |
| Transmission output support 3 analog output:04-20mA or 0-510V |
Environment | Environment:Working temperature:-10°C ~+55°C |
| Storage temperature:-25°C ~+70°C |
| Relative humidity is less than 93%, no corrosive gas |
| Elevation≤2500m |
Safety | Insulation resistance >100MΩ |
| AC withstand voltage AC2KV |
Electromagnetic compatibility | ESD level 4 |
| Electrical fast transient burst level 4 |
| Surge level 4 |
Selcction of Specification |
Single and three phase active power meter(9999 display programmable) |
Model NO. | Display | frame size(mm) | Hole size(mm) | Remark |
RH-3Q11 | Digital Single-row LED | 160*80 | 152*76 | |
RH-3Q21 | Digital Single-row LED | 120*120 | 111*111 | |
RH-3Q31 | Digital Single-row LED | 96*96 | 92*92 | |
RH-3Q41 | Digital Single-row LED | 120*60 | 114*56 | |
RH-3Q51 | Digital Single-row LED | 96*48 | 92*45 | |
RH-3Q61 | Digital Single-row LED | 72*72 | 68*68 | |
RH-3Q71 | Digital Single-row LED | 80*80 | 76*76 | |
RH-3Q81 | Digital Single-row LED | 48*48 | 45*45 |
Extended Modules: |
AC/DC power supply(switching power supply)$4 |
Modbus-RTU RS485 comm:$5 |
AO: $7 more for each stem node |
DI: $4 more for each stem node |
DO:$4 more for each stem node |
“*” means unconventional products of our corporation |