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Hobut M850-LTHN RS-PO Power Meter

Hobut M850-LTHN RS-PO Power Meter

£110.00

£132.00 inc. VAT

Product Description

Hobut's M850-LTHN Power Meter features a 96 x 96mm moulded case, user-programmable CT & VT ratios, and selectable three colour backlight LCD screens. It can be used on any single or 3 phase system with any input voltage without re-programming and are suitable for low, medium and high voltage control panels, gensets, building management systems, power management and more.

Programmable 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, THD Current, THD Voltage.

Other versions available upon request.

Specification

Accuracy

Volts/Amps

0.5% of reading

Frequency

0.1 Hz

Active Power

1% of reading

Apparent Power

1% of reading

Power Factor

1% of range

Energy

IEC 1036 Class 1

Input

Rated Un

28-330V LN, 48-570V L-L

Overload

800V continuous

Burden

0.5VA per phase

Rated In

0.5-6A (5A nominal)

Overload

10 In for 1 sec

Burden

0.5VA per phase

Auxiliary

100-440V AC / 100-420V DC
(or 10/70V DC)

45/65Hz

Display

Digits

4 lines 9999

Custom LCD

Brightness

User adjustable

Output Relay

Wh or VArh

SPNO rated 50V

Pulse output

150mA 5W AC/DC

Pulse duration

Programmable from 40msec-200msec

Insulation

Installation category

III (480 V AC ph/ph)

Degree of pollution

2

Rated impulse withstand voltage

IEC 60947-1-V imp: 4kV

Meters front

Class II

Electrical security

IEC 61010-1

Inputs + Aux to case

4kV rms 50Hz for 1 min

Inputs + Aux to RS485 port

3kV rms 50Hz for 1 min

Inputs + Aux to relay output

1k5V rms 50Hz for 1 min

Low voltage dc Aux to Inputs

1k5V rms 50Hz for 1 min

Electromagnetic Compatibility - Immunity to:

Electrostatic discharges

IEC 61000-4-2-Level III

Radiated radio-Hz fields

IEC 61000-4-3-Level III

Electrical fast transient/brusts

IEC 61000-4-4-Level III

Impulse waves

IEC 61000-4-5-Level III

Conducted disturbances

IEC 61000-4-6-Level III

Voltage dips & short interruptions

IEC 61000-4-11

Electromagnetic Compatibility - Emissions to:

Conducted and radiated

CISPR11-Class A

Environment

Working temperature

-20 to +70ºC

Storage temperature

40 to +85ºC

Relative humidity

0-95% non condensing

Shock

30G in 2 planes

Enclosure

Material

Black polycarbonate case to UL94V0

Weight

0.3kg

IP Rating

IP52 (front)


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