Single & Three Phase Digital Voltmeters, Ammeters, Frequency Meters, VAF Meters, RPM Meters

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Products Code : OM1300, ALPHA+3A/A & 3V/V, Hz, RPM/MPM & 3VAF/VAF

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Description

Model

OM-1300

ALPHA+3A/A

ALPHA+3V/V

ALPHA+Hz

ALPHA+RPM/MPM

ALPHA+ 3VAF/VAF

Parameters

VLL, VLN, A, Hz, ON Hours

A(avg), AR, AY, AB

AMP A

Field programmable CT (primary & secondary)

VLL, VLN (avg & phase wise), Hz

VOLT V

Field programmable PT (primary & secondary)

Frequency Hz

35-70Hz

Class-0.2

RPM, MPM

DC Vin-75mV or 100mV or 10V or 100V or 500V

0-20mA/4-20mA input

4- digit resolution(RPM)

Field programmable (offset or full-scale value)

VLL (avg & phase wise), A (avg & phase wise), Hz

VLN, A, Hz

Field programmable PT & CT (primary & secondary)

Options

2 Relay O/Ps for threshold on VLL, A, Hz (under or over)

 

2 Relay O/Ps for threshold on Amps (under or over)

Transducer O/P (0-20mA/4-20mA/0-10V DC) for Amps(avg)

2 Relay O/Ps for threshold on VLL, VLN, Hz (under or over)

Transducer O/P (0-20mA/4-20mA/0-10V DC) for VLL, VLN, Hz(avg)

2 Relay O/Ps for threshold on Hz (under or over)

Transducer O/P (0-20mA/4-20mA/0-10V DC) for Hz (45-65Hz)

 

2 Relay O/Ps for threshold on VLL(avg), A, Hz (under or over)

Transducer O/P (0-20mA/4-20mA/0-10V DC) for VLL, VLN, A, Hz

Size

96X96X50

Cutout Size

92X92

Accuracy

1% of FS

Supply

80-300V AC

Options: 40-300V DC, 80-300V AC/DC.

Common Features

True RMS

Four-digit resolution with auto scaling

Field programmable (state or delta or single phase)

Average & phase wise information

Additional Features

Auto scrolling

Optional direct measurement up to 20A. 60A or 100A (max) using hanging CTs

Available in 0.8” 4-digit display

 

Technical Specifications:

  1. Accuracy: Class-1.0 (default), Class-0.5 (Option)
  2. Sensing/Measurement: true RMS, 1 sec. update time
  3. Input Voltage: 4 inputs-(VR, VY, VB, VN); programmable 110 or 415V LL nominal (range 80-550V LL); primary programmable up to 999kV; burden: 0.2VA(max) per phase
  4. Input Current: 3 inputs-(AR, AY, AB) 50mA-6A (field configurable 1A or 5A); primary programmable up to 99kA; overload: 10A(max) continuous, 50A(max) for 3 sec.; burden: 0.2VA(max) per phase
  5. Aux Supply: (control power): 80-300V AC 40-70Hz; 80-300V AC/DC (OMEGA); burden: 4VA(max)
  6. Display: 4 digits (14mm height for ALPHA+ & 10mm height for OMEGA)
  7. Communication: RS485 serial channel connection, industry standard Modbus RTU protocol ZigBee communication, (RS232 optional)
  8. Baud Rate: 4800 bps to 19200 bps (preferred – 9600 bps)
  9. Isolation: 2000V AC for 1 min. between communication and other circuits
  10. Weight: 300 gms. (unpacked) & 400 gms. (packed)

NOTE: Additional error of 0.05% of FS for meter input current below 500mA.

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Transducer Output:

ELMEASURE transducers are programmable which converts electrical parameters like voltage, current, frequency, power, power factor into DC current (0-20mA/4-20mA) programmable or DC voltage (0-1V). Applications: electrical, chemical, thermal power plants, etc. to monitor processed data either locally or remotely using SCADA by ELMEASURE or 3rd party.

  • Accuracy: Class-1.0FS
  • Maximum Overload: 120% (equivalent of 24mA)
  • No. of O/Ps: 1 (0-20mA/4-20mA/0-1V DC)

Features & Benefits:

  • Programmable primary/secondary voltage or current making wider range of operations
  • Programmable transducer O/P either 0-20mA or 4-20mA. Maximum load resistance: 75Ω
  • 0-1V DC optional
  • A DC or V DC directly proportional to the change of input
  • Fully protected against open or short circuit output
TRANSDUCER OUTPUT PROGRAMMABLE
Transducer Models Any One Output Programmable Output Range Options
V A Hz W VA PF
ALPHA+3VAF V A Hz       0-20mA/4-20mA/0-1V DC
ALPHA+3V V   Hz       0-20mA/4-20mA/0-1V DC
ALPHA+3A   A         0-20mA/4-20mA/0-1V DC
ALPHA+Hz     Hz       0-20mA/4-20mA/0-1V DC
LG+ 5110 V A Hz W VA PF 0-20mA/4-20mA/0-1V DC/0-50V DC/0-10V DC

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