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      PM835 three phase small power meter  digital power monitor

Specifications :

 Voltage Inputs:

• 20-280 Volts Line To Neutral, 20-480 Volts Line to Line

• Universal Voltage Input

• Input Withstand Capability – Meets IEEE C37.90.1 (Surge Withstand Capability)

• Programmable Voltage Range to Any PT ratio

• Supports: 3 phase 3 or 4 wires, 400/230V, 110/63V,208/120V

• Burden: 0.36VA per phase Max at 600V, 0.014VA at 120 Volts

Current Inputs:

• Class : (0 to 5) A, 5 Amp Nominal • Input wire gauge max (AWG 12 / 2.5mm 2 )

• Fault Current Withstand: 100 Amps for 10 Seconds, 300 Amps for 3 Seconds, 500 Amps for 1 Second. 
• Burden 0.005VA per phase Max at 11Amps
• 5mA Pickup Current
• Pass through wire gauge dimension: 0.177" / 4.5mm
• Continuous current withstand: 20 amps for screw terminated or pass through current connections

Measurements:

• kWh
• kvarh
• kW & kVA
• kvar
• Amps & Volts
• PF
• Neutral Current

Communication Format

• RS485 Port 
• Com Port Address: 0-247
• 8 Bit, No parity
• Modbus RTU Protocols

DI &DO:

• All Inputs and Outputs are galvanically isolated to 2500 Volts AC.

 • KYZ Pulse

• Type Form A
• On Resistance: 23-35 Ohm
• Peak Voltage: 350 VDC
• Continuous Load Current: 120 mA • Peak Load Current: 350mA (10ms)

Environmental Rating

Storage: (-25 to +70)° C

Operating: (-10 to +65)° C

Humidity: to 75% RH Non-Condensing

Faceplate Rating: NEMA12 (Water Resistant)

Environment : IP54 standard, IP65 optional Mounting Gasket Included

Sensing Method

• RMS
• Sampling at 120+ Samples per Cycle on all channels measured readings simultaneously • Harmonic %THD (% of Total Harmonic Distortion)

Update Rate

• Watts, VAr and VA-100msec • All other parameters-1second

Power Supply

Option D2:
• (65 to 275) Volts AC and (90 to 380) Volts DC. Universal AC/DC Supply Option D:
• 18-60VDC Burden: 10VA max.

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