- Name:Frequency meter
- Color:White/Black
- Display:LED
- Service:ODM
- Certificates:CE ISO9000
- Phase:Single Phase
- Warranty:3 Years
- Current consumption:10ma
- Frequency Range:27Mhz -3Ghz
- Function:Linear Speed Meter
- Display Type:Digital Only
- Brand Name:REHE
- Model Number:RH-F21
- Measuring Range:0-9999
- Accuracy Class:0.5
- Voltage:AC/DC 80V~270V
- Operating Temperature:10℃~+55℃
- Dimensions:120*120mm
- Place of Origin:Other
Dimension:customized | Custom processing:Yes | Measuring range:0-9999 | ||
Model NO.: RH-F | Accuracy class: 0.5 | Installation:embedded | ||
Brand name: REHE | Usage: High precision measurement of three phase power factor | Auxiliary power supply:AC/DC 80V-270V, DC48V, DC24V, AC220V AC220V AC100V | ||
Perfomance Characteristics | ||||
High precision measurement of single phase AC frequency | ||||
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 | Frequency +/- 0.2 Hz | |||
Singal input | Connection mode of single phase | |||
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:Frequency >300KΩ | ||||
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 ofSpecification | ||||
Single and three phase active power meter(9999 display programmable) | ||||
Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark |
RH-F11 | Digital Single-row LED | 160*80 | 152*76 | |
RH-F21 | Digital Single-row LED | 120*120 | 111*111 | |
RH-F31 | Digital Single-row LED | 96*96 | 92*92 | |
RH-F41 | Digital Single-row LED | 120*60 | 114*56 | |
RH-F51 | Digital Single-row LED | 96*48 | 92*45 | |
RH-F61 | Digital Single-row LED | 72*72 | 68*68 | |
RH-F71 | Digital Single-row LED | 80*80 | 76*76 | |
RH-F81 | 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 | ||||
Order notes: Please write clearly the requested types, input signal and the functional modules, etc when purchasing. | ||||
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