RS Components 欧时 9145281 功率计

"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-metersCutout Height = 92mmCutout Width = 92mmDisplay Type = LCDNumber of Digits = 4Number of Phases = 3Pulse Output = YesDepth = 80mmMeter Accuracy = 0.1 (Frequency) %, 0.5 (Volts\/Amps) %, 1 (Active Power) %, 1 (Apparent Power) %, 1 (Power Factor) %Minimum Temperature = -20°CMaximum Temperature = 70°C"