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Page last updated: 21st September, 2020

Power Monitoring: Single and 3 phase + Dynamometer power

Model INT4 series of dynamometer power meters

The INT4 Series of dyno monitors are ideal for showing torque, RPM, power, temperatures, pressures etc.

Horse Power digital panel meter

Their data outputs can also be fed to a cloud-based MySQL database to allow remote access to the data, creation of reports etc, viewing live performance on iPhone, Android, Linux, Mac or Windows devices.

Model ND1 ::: 3-phase power monitor and data logger

The ND1 is made in Poland and is a modern, compact and easy to use panel mounting power monitor. It uses a familiar Windows interface, with touch-screen simplicity. An in-built web server allows you to include the monitor on a network for remote access.

ND1 3 phase network power monitor and data logger

ND1 3 phase network power monitor and data logger

Measurement capabilities:-

Phase voltages: U1, U2, U3 and phase currents: I1, I2, I3
Phase-to-phase voltages: U12, U23, U31
Active phase powers: P1, P2, P3
Reactive phase powers: Q1, Q2, Q3
Apparent phase powers: S1, S2, S3
Active power factors: PF1, PF2, PF3
Reactive/active power factors: tgj1, tgj2, tgj3
Mean phase-to-phase voltage: US Umf
Current in neutral wire and mean 3-phase current: IO, IS
Active, reactive and apparent 3-phase power: P, Q, S
Mean 3-phase power factors: PF, tgj
Frequency f and frequency deviation
15 minutes’ mean active power: PAV
Active, reactive and apparent 3-phase energy: EnP, EnQ, EnS
THD for voltage and phase current,
Current and phase voltage harmonics (up to 51st)
Storage of min and max values
Recording of dips and voltage decays to EN50160

Download simulated setup software

ND1 - Specifications
Format	144mm x 144mm IP65 sealed panel
Input connections	Detachable screw terminals on the rear.
Communications	Ethernet 10 Base-T Modbus TCP/IP USB 1.1 Device RS-485 Modbus Slave.
Current Inputs	0-1A or 0-5A via CT
Voltage inputs	3 or 4 wire, up to 415V
Max. Overload	5 Seconds: < 1000V, < 10A
Analogue Outputs	4 x 4-20mA programmable
Relay outputs	6 x programmable alarm relays rated 1A 250V AC
Supply voltage	85-253 V AC < 30VA
Front sealing	IP65

ND1 Datasheet

3 Wire connection
3 wire 3 phase power meter connection

4 Wire connection
4 wire 3 phase power meter connection

ND40 3 phase power monitor / recorder

The ND40 is made in Poland and is an economical recorder of 3 phase data, ideal for network and load analysis projects.

ND40 power monitor

Datasheet for ND40

VPS50 ::: economy touch screen 3 phase analyser

The VPS50 is made in India and is easy to use and has a wide range of monitoring options to suit your needs exactly.

Class 0.5 precision
RS485 modbus communications
Analogue output options
3 or 4 wire connection
Alarm relay output
True RMS calculations
Auto-scroll or fixed screen, up to 46 parameters
Phase reversal indication
Programmable phase colours
User programmable CT and VT rations
Password protected access
96 x 96 x 80mm
IP54 front sealing

VPS33 ::: LCD 3 phase meter

The VPS33 is made in India and is an economical and easy to use 3 phase power and energy meter.

Class 0.5 precision
RS485 modbus communication option
3 or 4 wire connection
Alarm relay output
True RMS calculations
Auto-scroll or fixed screen, up to 58 parameters
User programmable CT and VT rations
Password protected access
96 x 96 x 61mm
IP54 front sealing

VPS11 ::: 4 digit LED 3 phase meter

The VPS11 is made in India and is a modern replacement for traditional analogue power meters.

4 digit displays
Class 1 precision
3 or 4 wire connection
Alarm relay output
True RMS calculations
Auto-scroll or fixed screen
User programmable CT and VT rations
Password protected access
96 x 96 x 66mm
IP50 front sealing

VPS10 ::: 3 digit LED 3 phase meter

The VPS10 is made in India and is a modern replacement for traditional analogue power meters.

3 digit displays
Class 1 precision
3 or 4 wire connection
Alarm relay output
True RMS calculations
Auto-scroll or fixed screen
User programmable CT and VT rations
Password protected access
96 x 96 x 66mm
IP50 front sealing

VMC20 ::: 4 digit LED network meter

The VMC20 is made in India and is a versatile, low cost panel meter for AC voltage and current monitoring.

Class 1 precision
3 or 4 wire connection
True RMS calculations
User programmable CT and VT rations
96 x 48 x 73mm
IP50 front sealing

Model ND10 ::: 3 phase power meter

The ND10 is made in Poland and is a low cost, high performance 3 phase power meter, with optional RS485 modbus output.

ND10 3 phase power meter

Model ND20 ::: 3 phase power meter

The ND20 is made in Poland and is an economical, high performance 3 phase power meter, with pulse ouput, alarm relay, RS485 modbus and optional 4-20mA analogue output.

ND20 3 phase power meter

ND20 Manual
ND20 Datasheet

Generator Synchroscope

KS32 Synchronising unit The KS32 synchronising unit is made in Poland and comprises of a 360 degree synchroscope and differential voltmeter in a 96 x 96mm panel mounting unit.

Horizontal bargraphs show Frequency and Voltage mismatch. A relay output activates when the generator is within the acceptable band of matching for phase, frequency and voltage.

generator synchronising unit

KS32 Datasheet
KS32 Manual

Economy 3 phase power monitors

Two panel mounting instruments for monitoring power in single and 3 phase power installations.

single and 3 phase power monitor

N14	N10
96x96 mm	144x144 mm
3 digits	4 digits
RMS V & I VA, VAr P.F. Frequ. Avg. Pwr	THD analyser RMS V & I VA, VAr P.F. Frequ. Avg. Pwr
Outputs Alarm Relay RS485 5000 pulses/kWh	Outputs 3 Alarm Relays RS485 -20..+20mA kWh pulse
85...250VAC power	85...250VAC power

The N14 is made in Poland and is the basic 3 digit model, ideal for general monitoring on 3 and 4 wire, balanced and unbalanced power circuits.

The alarm relay can be assigned to any measurement variable. Crest factor max. 2

The N10 is made in Poland and offers the greatest flexibility. It allows you to have up to 20 pages of display combinations.

In addition, it computes the total Harmonic distortion of the current and voltages, up to the 25th harmonic. Ideal for monitoring variable speed drive performance and any other source of generated power, where waveform purity may vary.

Detailed comparison guide