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Chandong Industrial, Liushi Town, Yueqing City, Zhejiang China, Wenzhou, Zhejiang, China
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Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter
China Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter, Find details about China Digital Ammeter, Multi Function from Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter - Yueqing Lovadon Electric Co., Ltd.
Description
Basic Info
- Model NO.: LH-F31
- Installation: Direct Connected
- Electric Equipment: Three-phase Three-wire
- Power Meter Connection: Terminal
- Type: Energy Meter
- Customized: Customized
- Measuring Range: AC1a, AC5a, DC20mA, DC5a, DC75mA
- Supply Voltage: AC/DC80V~270V,AC220V,AC380V,AC100V,DC48V,DC24V
- Dimensions: 96*96mm
- Delivery Term: with 45 Days After Receipt of Desposit
- Transport Package: Standard Export Packing or Packing as Your Require
- Origin: China
- Display: Digital
- Usage: Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Prepayment Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter
- Theory: Electronic Meter
- Measured Signal: Continuous Wave
- Certification: CE
- Displaytype: Analog and Digital
- Accuracy Class: 0.5
- Operating Temperature: -10c~+55c
- Color: Black/White
- Trademark: OEM
- Specification: CE, IEC, ISO
Product Description
Performance Characteristics
• High precision measurement of frequency
• Provide the digital tube display, local
data query
• Support for RS-485 communication,
Modbus-RTU protocol
• Support for switch input, output, analog
transmitting output
• A variety of dimensions to meet the
different requirements of the electric
distribution box
Accuracy of Measurement
• Frequency: ±0.02Hz
Signal Input
• Connection Mode: single phase two
wires
• Overload Voltage: 1.2 times ( Continued ),
2 times / second (instantaneous )
• Power Consumption:<1VA/phase (voltage)
• Impedance: >300KΩ
• The Frequency: 45~65Hz or DC
Auxiliary Power Supply
• Working range AC 220V
• Power Consumption: <4VA
Function Module
• Communication Interface: 1 way RS-485 communication, Modbus-RTU protocol
• Baud Rate: 1200~9600bps,the default is 2400bps
• Switch Input: 2 ways
• Switch Output: 2 ways( capacity: AC 250V/5A, DC 30V/5A)
• Transmission Output: 1 ways(analog output: 0/4~20mA or 0~5/10V)
• High precision measurement of frequency
• Provide the digital tube display, local
data query
• Support for RS-485 communication,
Modbus-RTU protocol
• Support for switch input, output, analog
transmitting output
• A variety of dimensions to meet the
different requirements of the electric
distribution box
Accuracy of Measurement
• Frequency: ±0.02Hz
Signal Input
• Connection Mode: single phase two
wires
• Overload Voltage: 1.2 times ( Continued ),
2 times / second (instantaneous )
• Power Consumption:<1VA/phase (voltage)
• Impedance: >300KΩ
• The Frequency: 45~65Hz or DC
Auxiliary Power Supply
• Working range AC 220V
• Power Consumption: <4VA
Function Module
• Communication Interface: 1 way RS-485 communication, Modbus-RTU protocol
• Baud Rate: 1200~9600bps,the default is 2400bps
• Switch Input: 2 ways
• Switch Output: 2 ways( capacity: AC 250V/5A, DC 30V/5A)
• Transmission Output: 1 ways(analog output: 0/4~20mA or 0~5/10V)
| Dimension:customized | custom processing:Yes | Measuring range:0-9999 | ||
| Model NO.: LH-F | accuracy class: 0.5 | Installation:embedded | ||
| Brand name: LOVADON | 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: AC\DC 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 AC\DC 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:AC250\5A,DC30V\5A | ||||
| Transmission output support 3 analog output:0\4-20mA or 0-5\10V | ||||
| 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 |
| LH-F11 | Digital Single-row LED | 80*160 | 152*76 | |
| LH-F21 | Digital Single-row LED | 120*120 | 111*111 | |
| LH-F31 | Digital Single-row LED | 96*96 | 92*92 | |
| LH-F41 | Digital Single-row LED | 120*60 | 114*56 | |
| LH-F51 | Digital Single-row LED | 96*48 | 92*45 | |
| LH-F61 | Digital Single-row LED | 72*72 | 68*68 | |
| LH-F71 | Digital Single-row LED | 80*80 | 76*76 | |
| LH-F81 | Digital Single-row LED | 48*48 | 45*45 | |
| Order notes: Please write clearly the requested types, input signal and the functional modules, etc when purchasing. Others: Factory default settings (Use default setting if no instruction). | ||||
