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Multi-function energy meter - DRT-301M

Class 1 accuracy, Modbus RTU protocol, Direct connected up to 100A or CT version, Multi-tariff, Power factor - more info check here: http://www.buymeasuringtools.com/Multi-function-energy-meter-10048189/

Quick Brief

Place of Origin: Shanghai China (Mainland) Brand Name: Forlong Model Number: DRT-301M Display Type: Digital Only Phase: Three Phase Measuring Energy Range: 0~99999 Accuracy Class: 1 Output Voltage: 230/400V AC (3~) Operating Temperature: -10°C to +50°C Dimensions: 130 mm high x 65mm Depth x 126mm Wi... communication: Modbus RTU

Product Features:

Class 1 accuracy

Modbus RTU protocol

Direct connected up to 100A or CT version

Multi-tariff

Power factor

Business Terms:

Minimum Order Quantity: 200 Piece/Pieces

Supply Ability: 10000 Piece/Pieces per Month

Payment Terms: L/C,T/T,Western Union

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Product Packagings & Delivery Terms:

Packaging Detail: carton

Delivery Detail: one month

Specifications and Product Details:

Applications

Distribution systems

Generator sets

Control panels

Energy management

Building management

Utility power monitoring

Process control

Motor control

Secondary Metering

Meter Specifications

Meter TypeDRT-301M
Nominal Voltage(Un)230/400V AC (3~)
Operational voltage161/279 – 300/520V AC (3~)
AC Voltage Withstand2KV for 1 minute
Impulse Voltage Withstand6kV – 1.2µS waveform
Basic Current (Ib)1.5A (CT type); 10A(directly connect)
Maximum Rated Current (Imax)6A (CT type); 100A(directly connect)
Operational Current Range0.4% Ib- Imax
Over Current Withstand30Imax for 0.01s
Operational Frequency Range50~60Hz ±10%
Internal Power Consumption≤2W / 10VA
Test Output Flash Rate (RED LED)3200imp/kWh (CT type); 400imp/kWh (directly connect)
Pulse Output Rate (pins 7 & 8)3200imp/kWh (CT type); 400imp/kWh (directly connect)

Accuracy Class 1

Voltage, LN & LL (Phase1,2,3)±0.5%
Amps (Phase 1,2,3)±0.5%
Frequency±0.2%
Active Power (Phase 1,2,3&Σ)±1%
Reactive Power (Phase 1,2,3&Σ)±1%
PF (Phase 1,2,3 &Σ)±0.2%
Active power (Phase 1,2,3&Σ)±0.5%
Reactive power (Phase 1,2,3&Σ)±2%
Apparent power (Phase 1,2,3&Σ)±1%

RS485 communication Specifications

Bus TypeRS485 protocol
Baud Rate1200,2400,4800,9600,19200 (optional)
Address range1-255 user settable
Bus Loading256 meters per bus
Communication Distance Range1200m

Infrared Communication Specifications

Infrared Wavelengths900- 1000nm
Baud Rate1200bp
Communication Distance Range5m
Communication Angle-15°~+15
ProtocolMODBUS RTU with 16 bit CRC

Tariff Specifications

Tariff Number2
Time Segments8
Clock Accuracy≤0.5S (every 24 hours)
Battery Voltage3.6V DC, ≥1.2Ah

Performance Criteria

Operating Temperature-10°C to +50°C
Storage Temperature-30°C to +70°C
Operating Humidity≤ 75% non condensing
Storage humidity≤ 95% non condensing
IP ProtectionIP51
Protective classII
Dimensions130 mm high x 65mm Depth x 126mm Width
Weight0.7KG

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