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Yueqing Lovadon Electric Co., Ltd.

Power Meter, Digital Ammeter, Multi Function manufacturer / supplier in China, offering Newest Three Phase Amper&Volt&Frequency Meter, New Type Idn RCCB 2 Pole Residual Current Circuit Breaker, C40. C63 Lcb2-63n Miniature Circuit Breaker and so on.

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Supplier Homepage Product Transformer and Meter Newest Three Phase Amper&Volt&Frequency Meter

Newest Three Phase Amper&Volt&Frequency Meter

FOB Price: US $18.5 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $18.5/ Piece
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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-3UIF
  • Installation: Direct Connected
  • Electric Equipment: Single-phase
  • Power Meter Connection: Terminal
  • Type: Energy Meter
  • Trademark: OEM
  • Origin: China
  • Display: LED Display Digital Meter
  • 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
  • Manufacturers: Yes
  • Specification: CE, IEC, ISO
Product Description
Packaging & Delivery
Packaging Details: Water-proof polybag+paperbox+export carton
Delivery Detail: Within 45 days after receipt of 30% payment by T/T
1. Certificate: ISO, CE
2. Case Material: ABS
3. OEM available
4. Support RS-485, Modbus-RTU
5. Measuring range: 0-9999

Product Description

1. Digital power meter measures voltage, current, power, power factor, kWh, kvarh
2. RS485/ Modbus
3. Power quality analysis
RH-3UIF digital Power Meter Features:
1. Suit for LV/ HV voltage system
2. Compact design with all real-time measurement
3. Consist of basic unit and optional modules
4.10 years back-up of integrated energy data
5. Large LCD, high brightness, auto-scrolling
6. High accuracy, V or I is 0.5%, kWh is class 1
7. CT and PT programmable
8. Pluggable terminals, easy to install
9. Panel size: 96 x 96mm
10. Password protect
RH-3UIFdigital Power Meter Basic Function:
Provide one RS485 communication, measures and display real-time parameters:
1. Voltage- Ua, Ub, Uc, Uab, Ubc, Uca
2. Current- Ia, Ib, Ic, In
3. Active power Pa, Pb, Pc, ∑ P
4. Reactive power Qa, Qb, Qc, ∑ Q
5. Apparent power- Sa, Sb, Sc, ∑ S
6. Power factor- PFa, PFb, PFc, ∑ PF
7. Frequency
8. Active energy- KWh (4 quadrant)
9. Reactive energy kvarh (4 quadrant)
10. Demand and Max. Record for I, P, Q, S
11. Unbalance rate for U, I
12. Max. / Min. Value
RH-3UIF Digital Power Meter DI/ DO Modules:
1.4 status input + 4 relay output
2.8 status input + 2 relay output
3.8 status input + 2 pulse output
4. Profibus communication module
RH-3UIF Digital Power Meter Optional Function:
1. Up to 31st harmonic analysis, K factor, THD
2. SOE (event log)
3. One 4~20mA analog output
Performance  Characteristics
High  precision  measurement  measurement  of  three  phase  AC  voltage  and  current  and  frequency
Provide  the  digital  tube  display,   local  data  query
Programmable  voltage  ratio
Support  for  RS-485  communication,   Modubus-RTU  protocol
Support  for  switching  input,   output,   analog  quantity  transmitting  output
Auxiliary  power  supply: AC/DC  80V~270V,   AC220V,   AC380V,   AC100V,   DC48V,   DC  24V
A  variety  of  shapes,   to  meet  the  different  requirements  of  the  cabinet  body  electric  circuit
Technical  Index
Accuracy  of  measurementVoltage  level  0.5,   current  level  0.5,   frequency  ± 0.2Hz
Singal  inputConnection  mode  of  three  phase  four  wire,   three  phase  three  line
 Rated  current  of  AC1A, AC5A
 Over  load  1.2  times  (  Continued  ),   2  times  /  second  (  instantaneous  )
 Power  consumption  voltage  < 1VA/phase,   current:   < . 0.4VA/phase
 Impedance  voltage:   > 300KΩ     current:   < 20mΩ
 The  frequency  of  45~65Hz 
Auxiliary  power  supplyAC/DC  80V~270V,   AC220V,   AC380V,   AC100V
 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:   AC  250V/5A,   DC  30V/5A
 Transmission  output  support  3  analog  output:   0/4~20mA  or  0~5/10V
EnvironmentWorking  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  AC  2KV
Electromagnetic  compatibilityESD  level  4
 Electrical  fast  transient  burst  level  4
Selcction  of  Specification
Intelligent  Digital  Three  phase  Ampere  and  Voltage  and  Frequency  Combined  Meter(9999  display  programmable)
Model  NO.DisplayFrame  size(mm)Hole  size(mm)Remark
Lh-3UIF11Digital  Single-row  LED160*80152*76 
Lh-3UIF23Digital  Three-row  LED120*120111*111 
Lh-3UIF33Digital  Three-row  LED96*9692*92 
Lh-3UIF41Digital  Single-row  LED120*60114*56 
Lh-3UIF51Digital  Single-row  LED96*4892*45 
Lh-3UIF63Digital  Three-row  LED72*7268*68 
Lh-3UIF73Digital  Three-row  LED80*8076*76 
Lh-3UIF83Digital  Three-row  LED48*4845*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.
Others:   Factory  default  settings  (Use  default  setting  if  no  instruction).
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Mr. Richard Zhou
General Manager
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