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Yueqing Lovadon Electric Co., Ltd.

Digital Ammeter, Multi Function, Watt Hour Meter manufacturer / supplier in China, offering Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter, Good Quality IC60n 2pole Miniature Circuit Breaker, Red Ad22 Series Pushbutton Switch and so on.

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Supplier Homepage Product Transformer and Meter Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter

Lh-F31 Digital Frequency Meter Low Price 96*96mm Single Phase LED Display Digital Frequency Meter

Purchase Qty.:
(Pieces)
1-999 1,000+
FOB Unit Price: US $8 US $7.5
Purchase Qty. (Pieces) FOB Unit Price
1-999 US $8
1,000+ US $7.5
Get Latest Price
Port: Ningbo, China
Production Capacity: 50000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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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)
Dimension:customizedcustom processing:YesMeasuring range:0-9999
Model NO.: LH-F accuracy class: 0.5Installation:embedded
Brand name: LOVADONUsage: high precision measurement of three phase power factorAuxiliary 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 measurementactive power  0.5,depending on the power level 0.5
Singal inputConnection 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 supplyWorking range of AC\DC 80V-270V,AC220V,AC380V,AC100V,DC48V,DC24V
 Power consumption:<4VA
Function moduleCommunication 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
EnvironmentEnvironment:Working temperature:-10°C ~+55°C
 Storage temperature:-25°C ~+70°C
 Relative humidity is less than 93%, no corrosive gas
 Elevation≤2500m
SafetyInsulation resistance >100MΩ
 AC withstand voltage AC2KV
Electromagnetic compatibilityESD 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.DisplayFrame size(mm)Hole size(mm)Remark
LH-F11Digital Single-row LED80*160152*76 
LH-F21Digital Single-row LED120*120111*111 
LH-F31Digital Single-row LED96*9692*92 
LH-F41Digital Single-row LED120*60114*56 
LH-F51Digital Single-row LED96*4892*45 
LH-F61Digital Single-row LED72*7268*68 
LH-F71Digital Single-row LED80*8076*76 
LH-F81Digital Single-row LED48*4845*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).
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