HARTING Industrial Computer, 1 GHz, Linux

M850-LTHN Power Meter

The M850-LTHN is a digital Power Meter that features a 96 x 96 mm moulded case and the choice of three selectable colour backlight LCD screens. The power meter is easy to use and features user-programmable CT & VT ratios. The Unit is configured for 3 Phase/ 4 Wire out of the Box. It also is programmed for other input voltages/ Single Phase.

• Large LCD display
• 3 Selectable colour options (blue, green or white)
• 4 front buttons for programming
• Optional RS485 port allows communication via Modbus RTV or BACNET (MSTP) protocol
• A relay output can be assigned to either W.h or Var.h
• Installation guide supplied or download available of complete installation manual and RS485 Modbus register at www.hobut.co.uk/power-meters

Programmable Functions:

• Selectable screen colour
• Current transformer ratio
• Voltage transformer ratio
• Bd rate, parity, stops
• AC or DC AUX
• Single or 3 phase system
• Input voltage range 28-570 V
• RS485 address, 1-247
• Security code access for programming

Standard Functions:

• Phase Voltage (V)
• Phase to Neutral Voltage (V)
• Phase Current (I)
• Frequency (Hz)
• Active Power (W)
• Active Energy (kWh)
• Reactive Power (VAr)
• Apparent Power (VA)
• Reactive Energy (VArh)
• Power Factor (PF)
• Instantaneous Amp Demand, Instantaneous Watt Demand, Instantaneous VA Demand, Maximum Amp Demand, Maximum Watt Demand, Maximum VA Demand, Neutral Current Measurement

Applications:

• Low, medium & high-voltage control panels
• Gensets
• Building management systems
• Power management