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DEIF offers a wide range of analogue meters, transducers, multi-instruments, hour-counters and current transformers for standard AC measurement and AC protection.
Related Products

Insulation monitor, AC networks AAL-2
The insulation monitor AAL-2 - the features
The insulation monitor, AAL-2, from DEIF has a high number of features:
- Insulation monitoring of AC networks of up to 440 V AC
- 10 M or 1 M ranges
- Adjustable warning set point
- Delay to prevent unwanted warnings

Emulation solution Emulation solution
- Power management test before installation
- Customer approval of sequences before installing
- Breaker/engine/mains failure, load change and digital input signals test with only DEIF controllers, but no other external equipment
- Low voltage test environment (no AC)
- Desktop training facilities

Electronic Potentiometer for panel EPQ96-2
- Control of electronic speed governors
- Setting of integrating time (like variable gearboxes)
- Adjustment of output signal
- Offset adjustment
- Manual/auto mode
- Analogue and digital output
- Converts a J1939 CAN input to an analogue or a PWM output
- Q96 panel mounting

Synchronisation & circuit breaker closing FAS-115DG
- Automatic.
- Voltage regulation
- Breaker-time compensation.
- Synchronisation of generator to busbar
- Circuit breaker time compensation
- Voltage control
- LED indication of status
- LED for activated control
- LED for synchronising signal
- 35 mm DIN rail or base mounting

Flexible current transformer FCT
- The flexible current transformer is designed for easy integration in a variety of applications and systems
- Ideal for power quality monitoring
- ≤ 1% Maximum measurements error (of final range value). MIC-2 MKII FCT and MIC-2 MKII FCT DIN including flexible current transformer
- Wire lead length 2 meters included
- Coil diameter 15.5mm

Multi-differential relay MDR-2
- Short response time (70 ms)
- 3-phase current detection on both generator sides
- Active adjustment of non-balanced current measurements
- Measuring accuracy 1 %
- Display indicator for all measurements
- DIN rail or base mounting with remote mountable display

Selectable transducer TAS-311DG
- Factory-configured transducer for voltage, current, frequency or phase angle measurement
- Aux supply: from 57 to 690 V AC
- Aux supply: 24 to 220 V DC
- Class 0.5 measurement
- Supply and measuring voltage up to 690 V
- Pre-configuration or easy PC tool configuration
- Configurable up to three output slopes

Combined kWh counter and power meter WQR96 MKII, WQR96-x MKII & WQR96-c MKII
- Accuracy class 1.0 (EN 62053-21)
- For single-phase and 3-phase net-works
- Microprocessor-controlled meters with pulse output (SO)
- Simultaneous measurement of two quantities (except type WQR96 MKII)
- Scale: customised and exchangeable scale
- 60 to 400 V AC aux. power supply

Integrated systems DM-4 marine
- Internal system supervision
- Engine control, monitoring and protection
- 3-phase generator protections
- Automatic synchronisation
- Load sharing
- Dual ARCnet bus communication lines for redundancy
- Multiple display units and multiple Advanced Operator Panels
- Interface to the DEIF advanced graphical touch screen AGI
- 2 × Integrated RS-485 Modbus communication port
- 2 × CAN bus port for J1939 engine supervision, CANopen
- USB port for service software
- Up to 690 V AC direct AC inputs
- Alarm and event log
- Advanced load-dependent start/stop calculations
- Blackout prevention and recovery
- Priority selection
- Heavy consumer handling
- Base load function
- Trip of non essential load groups (preferential trip)
- Advanced fuel optimisation features
- One-touch auto sequences
- Dynamic positioning (DP-2) operation with closed bus tie breaker
- Fast dynamic load-share deviation protection
- Fast thruster load reduction
- Optimised load sharing
- 1 × Modbus TCP/IP
- Service software via ethernet for remote access

Multi-instrument MIC-2 MKII DIN
- Measures voltage, current/active/reactive and apparent power, frequency, energy kWh/kvarh, PF, THD, demand
- For all 2- and 3-phase AC network topologies
- Suitable for Power quality analysis
- Measures Individual Harmonics from 2nd to 63rd
- Min./max. statistic with time stamp
- Customised alarm settings with 16 different parameters
- RS-485 Modbus communication
- Large LCD screen with white backlight
- Optional communication modules - Ethernet (Modbus TCP, HTTP, SMTP) - Profibus DP
- Optional I/O modules - Relay - Analogue I/O - Digital I/O
- Free utility software with data logging
- Type approvals from all major classification societies

MTR 4 Multi-transducer MTR-4
- Suitable for all 1- and 3-phase network topologies
- Up to 1,000 VL-L AC input
- Accuracy class: 0.5 or 0.4
- Up to 4 analogue outputs
- Fast response time, less than 50 ms
- Measures more than 50 parameters
- RS-485 serial Modbus communication
- Fully configurable by USB, no aux. supply required
- Universal power supply of 20 to 300 V DC/48 to 276 V AC

Medium Voltage Relay MVR-200 series
- Three phase overcurrent protection stages INST, DT or IDMT
- (Sensitive) Earth-fault protection stages INST, DT or IDMT
- Harmonic overcurrent protection / inrush blocking stages INST, DT or IDMT
- Cold-load pick-up block
- Current unbalance / broken conductor protection stages INST, DT or IDMT
- Thermal overload protection (line)
- Restricted earth fault protection (low-imp)
- Cable-end differential protection
- Directional three-phase overcurrent protection stages DT or IDMT
- Directional (sensitive) residual overcurrent protection stages DT or IDMT
- Intermittent earth fault
- Fault locator
- Overvoltage protection stages INST, DT or IDMT
- Undervoltage protection stages INST, DT or IDMT
- Positive sequence under/overvoltage protection stages INST, DT or IDMT
- Residual voltage protection stages INST, DT or IDMT
- Frequency protection stages
- Rate of change of frequency
- Vector Jump / surge
- Reverse/under/over power protection stages INST, DT or IDMT
- Synchrocheck
- Auto-reclose
- Fuse failure
- Current transformer supervision
- Switch onto fault logic
- Breaker failure protection
- Programmable stage

Voltage relay RMV-112D
- Under- and over-voltage.
- U>: 100 to 120 %, U<: 80 to 100 %.
- Under-voltage/over-voltage (U< + U>)
- ANSI code 27 and 59
- 3-phase measurement
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting

Rudder angle transmitter RTA & RTC
- Analogue.
- 2 wire 4 to 20 mA DC.
- Ø19mm stainless steel shaft for direct rudder connection.
- Available with 90 ° mounting bracket
- Directly compatible with DEIF’s RT-2 rudder angle transmitter.
- Suitable for rudder, azimuth and pitch angle
- “No touch” magnetic angle detection – no wear & tear
- Accuracy < 0.25 °
- Analogue or CAN bus output for direct connection of one or more indicators
- Angle position range from +/- 20 ° to +/-180 °
- Continuous shaft rotation
- Clockwise/counterclockwise, zero set & max./min. adjustment
- MED approved
- CAN with 16 bit resolution (+/-180 degrees = +/-32767)

Multi-function synchroscope CSQ-3
Multi-function synchroscope meter - Features
The multi-function synchroschope meter from DEIF has a long list of features:
- Multi-function precision LED synchroscope
- Easy push-button programming of all set points
- Very high user safety
- High immunity to harmonic distortion
- Dead-bus functionality
- Voltage measurement
- Frequency matching
- Phase angle comparison
- DIN standard size: Q96

DC power supply DCP2 (24V)
- Automatic and electronic protection features
- Automatic restart after fault conditions
- Automatic output power derating for high ambient temperatures
- Green LED indication for aux. power connected
- Current output up to 40 A
- Adjustable output voltage
- No moving parts – no maintenance
- DIN rail-mounted

Loss of mains relay LMR-122D
- Vector shift and df/dt (ROCOF)
- Detection of vector shift
- ANSI code 78
- Mains disconnection on mains failure
- Ensures no asynchronous reconnection
- LED indication of fault condition
- LED indication for activated relay
- 35 mm DIN rail or base mounting

Multi-instrument MIC-2 MKII
- Measures voltage, current/active/reactive and apparent power, frequency, energy kWh/kvarh, PF, THD, demand
- For all 2- and 3-phase AC network topologies
- Suitable for Power quality analysis
- Measures Individual Harmonics from 2nd to 63rd
- Min./max. statistic with time stamp
- Customised alarm settings with 16 different parameters
- RS-485 Modbus communication
- Large LCD screen with white backlight
- Optional communication modules - Ethernet (Modbus TCP, HTTP, SMTP) - Profibus DP
- Optional I/O modules - Relay - Analogue I/O - Digital I/O
- Free utility software with data logging
- Type approvals from all major classification societies

Multi-instrument MIC-2 MKII FCT
- Measures voltage, current/active/reactive and apparent power, frequency, energy kWh/kvarh, PF, THD, demand
- For 2- and 3-phase AC network topologies
- Compatible with DEIF’s FCT flexible current transformers (up to 6,000A measuring range) which are ideal for if space is limited
- Suitable for Power quality analysis
- Measures Individual Harmonics from 2nd to 63rd
- Min./max. statistic with time stamp
- Customised alarm settings with 16 different parameters
- RS-485 Modbus communication
- Large LCD screen with white backlight
- Optional communication modules - Ethernet (Modbus TCP, HTTP, SMTP) - Profibus DP
- Optional I/O modules - Relay - Analogue I/O - Digital I/O
- Free utility software with data logging
- Type approvals from all major classification societies

Multi-functional protection relay MTR-4P
- Up to 1,000 V L-L AC voltage input
- Up to 20 A AC current input
- Accuracy class: 0.5
- Password protection
- Trip time typically below 50 ms
- Two-stage trip setting
- Start-up delay
- 13 different protection functions
- RS-485 serial Modbus communication
- Fast and simple commissioning and setup from M-set
- Universal power supply of 20 to 300 V DC/48 to 276 V AC
- Marine approval by GL/DNV

Protection & power management PPM 300 PPM 300
- Synchronization
- Marine certified Power Management - ABP: Advanced blackout prevention (32dg)
- PLC logic
- Engine and Generator protection
- Engine CANbus
- Rear mount
- Flexible Hardware
- Additional I/O racks (9 racks)
- Ethernet Ring connection for Power management
- Redundant breaker feedback
- Colour Display
- Emulation
- Marine approval
- Heavy consumer
- Fast load reduction
- Fuel optimisation

Current relay RMC-131D
- Differential current relay
- ANSI code 87
- Measurement of 3-phase currents
- Non-stabilised measurement
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- Extra change-over relay contact for signalling
- 35 mm DIN rail or base mounting

Voltage relay RMV-132D
- Under-voltage (double).
- U<: 80 to 100 %, U<: 80 to 100 %.
- Under-voltage/over-voltage (U< + U>)
- ANSI code 27 and 59
- 3-phase measurement
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting

Selectable transducer TAS-331DG
Transducer range, TAS 331DG - Features
The transducer range by DEIF has a long list of features
- Factory-configured transducer for power or reactive power measurement.
- Aux supply: from 57 to 690 V AC
- Aux supply: 24 to 220 V DC
- Class 0.5 measurement
- Supply and measuring voltage up to 690 V
- Pre-configuration or easy PC tool configuration
- Configurable up to three output slopes

Insulation amplifier TDG-210DG
- Converting one type of DC signal into another DC signal
- Converting potentiometer input into a DC signal
- Separating a number of earthing points
- Galvanic separation of current signals
- Conversion of measuring signal
- Adaption of measuring range
- Separation of measuring circuits
- Measuring on DC shunts
- Measuring of DC voltages

Power meter WQ
Power meter for power and reactive power - Features
The power meter for power and reactive power from DEIF has a long list of features:
- 1.5 accuracy class
- 90 ° and 240 ° pointer deflection
- IP52 protection (IP54 on request)
- Measuring voltage: 100 to 110 to 127 to 220 to 230 to 240 to 380 to 400 to 415 to 440 V AC
- Measuring range: Frequency: 45 to 65 Hz
- Measuring current: direct or from C.T.-/1 A or -/5 A
- Scale: customised and exchangeable scale available for 90 °

Flexible display indicator for wind and weather applications XDi-N (wind)
- TFT graphical LED 3.5, 5 or 7" display
- 96, 144 or 192 DIN cutouts
- Two CAN ports for easy interfacing
- XDi-Net – add multiple XDi indicators
- Redundant power inputs
- Compatible with wind sensors providing NMEA data (such as DEIF’s ultrasonic wind sensors)
- Up to six NMEA compatible inputs
- Up to four NMEA outputs
- Relative, true & geographic wind indication
- Toggle between up to four predefined indicator screens
- Quick-switch between wind speed measuring units (knots, m/s or m/h, km/h, beaufort)
- Dimmer controllable using front/external push-buttons, analogue, NMEA or CAN/XDi-net
- Standard day and night designs
- Customised indicator designs available on request
- Optional analogue or digital input
- Optional wind warning and alarms/relay output
- Optional IP66 protection

Flexible display indicator for navigation applications XDi-N (navigation)
- TFT graphical LED 3.5, 5 or 7" display
- Two CAN ports with CANopen and XDi-net
- Redundant power inputs
- XDi-Net – add multiple XDi indicators
- Up to six NMEA inputs & up to four outputs
- NMEA data offset and averaging functions
- Dimmer controllable using front/external pushbuttons, analogue, NMEA or CAN/XDi-net.
- 3 level priority data fall-back function
- True wind data calculation
- Calculate magnetic or true heading
- XDi-net group dimmer and day/night colour shift
- Toggle between up to four predefined indicator screens using the mode function
- Quick-switch between measuring units either locally or for the entire system
- Customised indicator designs available on request
- Standard day and night designs, dusk on request
- Optional analogue or digital inputs
- Optional warning and alarms/relay output
- MED and other relevant class approvals

Advanced graphical interface AGI 400
- Wide screen format
- True glass front
- Capacitive touch screen
- Multi-touch and Gestures
- Robust aluminium housing
- SD card slot for easy storage and updating
- USB hosts for printers, accessories, data storage and updating
- Dimmable LED backlight
- Web server for remote access from i.e. mobile devices
- 3 Ethernet ports with integrated switch
- Serial communication (RS-232, RS-422 and RS-485)
- Wide range of support for industrial protocols
- OPC UA Server and Client
- JAVA scripting
- CODESYS V3 (optional)
- Powerful ARM Cortex-A9 processor
- Plug-in module for CANbus (CANopen/J1939)
- Wide operating temperature -20°C to +60°C
- Marine certifications
- Certified for hazardous environments
- Available in 7", 10", 15" and 21" sizes

Analogue illuminated bridge wing indicators BRW-2 & BW
- Outdoor bridge wing mounting
- Front-mounted dimmer
- High shock/vibration resistance (robust)
- Class 0.5 accuracy
- 360 ° deflection
- Analogue or dual CANopen interface
- IP66 protection
- LED illumination
- MED approved scales where applicable

Battery charger DBC-1
- Automatic and electronic protection features
- Automatic restart after fault condition
- Alarm relay
- Automatic output power derating for high ambient temperatures
- LED indication of faults, boost charging and normal operation
- Boost mode
- Adjustable output voltage
- No moving parts – no maintenance

Synchronisation & circuit breaker closing FAS-113DG
- Automatic.
- Voltage regulation
- Breaker-time compensation.
- Synchronisation of generator to busbar
- Circuit breaker time compensation
- Voltage check
- LED indication of status
- LED for activated control
- LED for synchronising signal
- 35 mm DIN rail or base mounting

Generator protection unit GPU 300
- Comprehensive generator/busbar protection
- Smart synchronization check
- Supervision
- High resolution 5" colour graphic display with push-buttons
- Flexible and modular input/output with metal rack
- Plug & play, auto-configure I/O modules and network
- Integrated 5 × RJ45 ports with auto-detected multi-function
- Access to all connected units in one point
- Context-sensitive help in the controller display unit
- Event and alarm log, with real-time clock
- Pre-defined control settings
- User-friendly logic configuration tool, based on ladder logic and function blocks with monitor operation
- Password-protected, with customisable permission levels
- 3-phase AC measurement, up to 690 V AC directly, class 0.5
- Easy-to-use PC tool (PICUS)
- Advanced alarm handling with latch and shelve possible

Multi-instrument MIC-2 MKII FCT DIN
- Measures voltage, current/active/reactive and apparent power, frequency, energy kWh/kvarh, PF, THD, demand
- For 2- and 3-phase AC network topologies
- Compatible with DEIF’s FCT flexible current transformers (up to 6,000A measuring range) which are ideal for if space is limited
- Fitted for DIN-rail mounting
- Suitable for Power quality analysis
- Measures Individual Harmonics from 2nd to 63rd
- Min./max. statistic with time stamp
- Customised alarm settings with 16 different parameters
- RS-485 Modbus communication
- Large LCD screen with white backlight
- Optional communication modules - Ethernet (Modbus TCP, HTTP, SMTP) - Profibus DP
- Optional I/O modules - Relay - Analogue I/O - Digital I/O
- Free utility software with data logging
- Type approvals from all major classification societies

Current relay RMC-122D
- Short circuit and over-current
- I>>: 100 to 400 %, I>: 50 to 150 %
- Combined functionality
- Short circuit relay (I>>)
- ANSI code 50 and 51
- Measurement of 3-phase currents
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting

Voltage relay RMV-122D
- Over-voltage (double).
- U>: 100 to 120 %,U>: 100 to 120 %.
- Under-voltage/over-voltage (U< + U>)
- ANSI code 27 and 59
- 3-phase measurement
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting

Selectable transducer TAS-321DG
- Factory-configured transducer for bidirectional current measurement.
- Aux supply: from 57 to 690 V AC
- Aux supply: 24 to 220 V DC
- Class 0.5 measurement
- Supply and measuring voltage up to 690 V
- Pre-configuration or easy PC tool configuration
- Configurable up to three output slopes

Panorama rudder indicator TRI-2
Rudder indicator - Features
The rudder indicator from DEIF has a long list of features:
- Analogue input
- 3 extra large, easy-to-read scales
- Readable from up to 5 meters
- Black or white scales
- Long-life LED illumination
- Built-in dimmer
- Analogue interface or CAN
- MED approved scales where applicable

Wind sensor WSS 750
Wind sensor, WSS 750 - features
DEIF's wind measuring devices from the WSS 750 series have a long list of features:
- Well-suited for dynamic positioning systems
- All stainless steel construction
- High power ultrasonic transducers in an equalsided triangle constellation
- No moving parts; no wear
- Wind speed up to 65 m/s (120 Knot)
- Speed accuracy better than 3 % (min. +/-0.2 m/s)
- Direction accuracy better than +/- 2°
- NMEA protocol
- IP66 and IP67 full waterproof
- DNV GL approved

Voltage relay RMV-142D
- Under- and Over-voltage.
- U>: 100 to 120 %, U<: 80 to 100 %.
- Single phase measurement.
- Under-voltage/over-voltage (U< + U>)
- ANSI code 27 and 59
- 3-phase measurement
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting

DEIF utility software USW-3
Utility software, USW-3 - Features
USW-3 is a utility software with a long list of features:
- Graphical tool for plant single line diagram
- Set controller parameters and configure advanced logic
- Configure controller I/O and external I/O equipment
- Translation of controller display texts
- AOP push-button configuration
- Controller firmware upgrade
- Security and access configuration
- Save/restore the entire plant setup to files
- User platform for emulation solutions
- Visualise dynamic plant and individual genset behaviour
- Display of all engine data
- Display of all electrical data
- Monitor the dynamic behaviour of measurements
- Display of fuel consumption and power production
- Emulate various external events
- Alarm monitoring
- Localised to English, Russian and Chinese
- Connects over USB, RS-485 or TCP/IP to controllers

Touch screen wind alarm system WAU 100
Wind alarm system WAU 100 - Features
The wind alarm by DEIF has a list of many features:
- NMEA0183 input
- 1 channel for MWV (wind)
- 1 channel for UTC time (ZDA or RMC)
- Easy installation, simple wiring
- Touch screen
- Wind data and alarm are logged

Wind sensor WSS 550
Wind measuring instrument - WSS 550 - features
The wind measuring instrument from DEIF has a long list of features:
- Measures wind speed and direction
- IP66 housing
- Intelligent heating prevents icing up
- Working temperature down to -40 °C
- Well-proven and robust technology
- Advanced system integration with XDi-N
- Plug’n’play replacement for WSS/WSS-L
- Fully compatible with WSDI-2 indicators
- DNV GL approved

Flexible display bridge indicator XDi
Illuminated display indicator features
- TFT graphical LED 3.5, 5 or 7" display
- Multiple virtual indicator layouts selectable from library
- Standard and custom scale designs
- Displays 1 or more values
- 96, 144 or 192 DIN cutouts
- XDi-Net – a short-cut to CAN bus
- Reduced wiring and installation
- Instant repairs on board
- MED and other relevant class approvals

Analogue illuminated bridge indicator XL
Illuminated panel indicators - Features
The illuminated panel indicators has a long list of features:
- High shock/vibration resistance (robust)
- Class 0.5 accuracy
- 360 ° deflection
- Analogue or dual CANopen interface
- Optional IP66 protection
- LED illumination panel
- Q72, Q96, Q144 and Q192 scale sizes
- MED approved scales where applicable