Electronics

Introducing our comprehensive collection of cutting-edge electronics designed to improve your industrial and process control systems. From signal converters to transmitters, counters to level sensors, we offer a diverse range of high-quality products tailored to your needs.

Martens presents the GS 125 Limit Value Switch, a versatile solution with universal input compatibility, relay outputs, and functional safety up to SIL2. Our TV500-ST500 Signal Converter ensures precise signal conversion with selectable current and voltage inputs. Meanwhile, the MU 500L Temperature Transmitter guarantees accurate temperature measurement in demanding environments.

Honsberg's OMNI-C1 Counter provides intuitive operation and flexible functionality for monitoring and totalisation tasks. GHM GROUP's Multi-Function Unit GHM-ONE offers advanced process control capabilities with a user-friendly touch display interface.

Greisinger delivers exceptional performance with the GIA 0420 series, featuring robust construction and versatile configuration options for various applications.

Martens' LS10 Level Sensor ensures reliable liquid level measurement with analog output compatibility. 

Safety is paramount with Martens' Safety Barrier 9001, providing intrinsically safe use of sensors for enhanced workplace safety.

Our TG 50 and TG 50 EX Temperature Monitors offer reliable temperature monitoring solutions with alarm outputs for critical conditions. 

Explore our extensive range of electronics today and experience unmatched precision, reliability, and performance for your industrial processes. With our products, you can stay ahead in an ever-evolving technological landscape.


  • Supply voltage : 230 V AC ±10 %; 24 V DC ±20 %
  • Frequency AC : 47..63 Hz
  • Power consumption : <1.5 VA
  • Operating temperature : -10..+60 °C
  • CE- conformity : EN 61326-1:2013, EN 60664-1:2007
  • Explosion protection : Approval: TÜV 03 ATEX 2283
  • Marking : II (1) G [Ex ia] IIC bzw. II (1) D [Ex iaD
  • Current : 0/4..20 mA selectable, Ri = 25 Ω overload max. 100 mA
  • Voltage : 0/2..10 V DC selectable, Ri approx. 40 kΩ, overload max. 100 V
  • Universal input for unit signals
  • Pt100, thermocouple, potentiometer, switchable via front-side DIP switch
  • 1 or 2 relay outputs
  • Universal relay connection
  • Adjustable min/max contact function
  • Actual value output 4 .. 20mA
  • 2-colour illuminated scales for limit value adjustment, colour depends on switch status
  • With Pt100 sensors, monitoring of sensor break and short-circuit
  • Wide-range mains adapter or 24 V DC
  • Functional safety up to SIL2
  • Housing width 12.5 mm
  • Removal coded terminals
  • Carrier rail mounting TS35 EN60715
  • Safe galvanic isolation between input / output / auxiliary voltage
  • Momentary value indicator and totalisation
  • Pulse output with adjustable pulse per volume
  • Antivalent outputs
  • Analogue output of the momentary value
  • Simple guided menu via graphics display
  • Signal conditioning – Linearisation – Characteristic adjustment
  • Input for standard signals 0/2..10 V and 0/4..20 mA
  • Measuring range programmable
  • Linearisation and characteristic adjustment programmable via 32 bases
  • Automatic input fault detection
  • Signal conditioning – Linearisation – Characteristic adjustment
  • Input for standard signals 0/2..10 V and 0/4..20 mA
  • Measuring range programmable
  • Linearisation and characteristic adjustment programmable via 32 bases
  • Automatic input fault detection
  • Thermocouple J, K, S
  • Adjustable zero point and end value
  • 0/4..20mA; 0/2..10 V switchable
  • Supply voltage : 85..253 V AC/110..125 V DC 10..30 V AC/DC
  • Frequency AC : 40..400 Hz
  • Power consumption : < 3.3 VA
  • Operating temperature : -10..+60 °C
  • Supply voltage : 85..265 V AC/110..125 V DC or 10..30 V AC/10..42 V DC
  • Frequency AC : 40..400 Hz
  • Power consumption : max. 2.2 W , max. 3.3 VA
  • Operating temperature : -10..+60 °C
  • CE-conformity : EN 61326-1:2013; EN 60664-1:2007
  • Programmable Pressure Converter
  • Up to 2000 mbar measurement range
  • Max over-pressure 4000 mbar
  • 4-20 mA Outputs
  • 4 mm pressure tube connection
  • Programming via front side keypad
  • For dry and non aggressive gases
  • Measuring range 0,25 to 25 mbar
  • Pressure or differential pressure
  • Uni- und bidirectional variants
  • For dry and non aggressive gases
  • Output 4..20 mA, 2-wire technology
  • Measuring ranges 0..1 A / 0..5 A AC
  • 1 and 2 channel version
  • Frequency range 45..400 Hz
  • Arithmetic average value measurement RMS calibrated
  • Loop voltage 14..30 V DC
  • Measuring range programmable from ±99999 Digit
  • Unit programmable
  • Totalizer programmable
  • Output 4..20 mA, loop powered
  • Impulse output for external evaluation
  • 2 alarm outputs electronic, voltage free
  • Bridge supply 2..10 V
  • max. 6 DMS strain bridge sensors ≥ 300 Ω at 10 V
  • Output current 200 mA max.
  • Line compensation up to 1 V
  • Protection class IP65
  • DC and sinusoidal AC signals
  • Direct connection
  • Connection with converter possible
  • Frequency range 40..200 Hz
  • Measuring input for DC- and sinusoidal AC-signals
  • Arithmetic average value measurement RMS calibrated
  • Measuring ranges programmable
  • 2 Wire 4-20mA output
  • For conductive liquids, acids or lyes
  • 2 electronic alarm outputs
  • 20mm to 2500mm probe Options
  • IP65 Rated
  • Current range 1 A or 5 A
  • Frequency range 45 ... 400 Hz
  • Power-factor (cosφ) switch selectable 0.72 or 1
  • Nominal accuracy 0.2 %
  • Output 0/4 ... 20 mA or 0/2 ... 10 V switch selectable
  • Final value adjustable -30 ... 5 %;
  • Full 3-port isolation
  • Supply voltage 230 V AC or 24 V DC
  • 22.5 mm case for DIN rail mounting
  • Switch-selectable inputs 0/4...20mA and 0/2...10V or -20 ... 20mA and -10 ... 10V
  • Switch-selectable outputs 0/4...20mA and 0/2...10V or -20 ... 20mA and -10 ... 10V
  • Increasing or decreasing output characteristic
  • Supply voltage 230V AC or 24V DC
  • Full 3-port isolation
  • Power-on LED
  • 22.5mm case for DIN rail mounting
  • UL-CSA-standard on request
  • Switch-selectable inputs 0/4...20mA and 0/2...10V or -20 ... 20mA and -10 ... 10V M
  • Switch-selectable outputs 0/4...20mA and 0/2...10V or -20 ... 20mA and -10 ... 10V M
  • Increasing or decreasing output characteristic M
  • Supply voltage 230V AC or 24V DC M
  • Full 3-port isolation M
  • Power-on LED M
  • 22.5mm case for DIN rail mounting M
  • UL-CSA-standard on request
  • Thermoelements J, K, S
  • Pt100 Elements
  • 0/2..10 V und 0/4..20 mA
  • 4..20 mA analogue output
  • Transmitter for electrical signals
  • Universal input for standard signals, Pt100, thermocouple, potentiometer
  • Configuration via front-side DIP switch
  • Wide-range power supply or 24 V DC
  • Housing width 12.5 mm
  • Removal coded screw terminals
  • Carrier rail mounting TS35 EN60715
  • Thermoelements J, K, S
  • Pt100 / Pt1000 / NTC resistance measurement
  • 4..20 mA analogue output
  • Universal input for Pt100, Pt1000, thermocouple, NTC and resistance measurement value
  • Configuration via front DIP switches
  • Analog actual value output 4 .. 20mA
  • Zero point and limit value can be adjusted via trim potentiometers on the front
  • Wide-range mains adapter or 24 V DCa
  • Optional supply via carrier rail bus
  • Removable coded screw terminals or optional push-in terminals
  • Housing width 12.5 mm
  • Carrier rail mounting TS35 EN60715
  • Offers intrinsically safe inputs for direct connection of temperature probes
  • Simple programming
  • 2 alarm outputs
  • Pt100, Pt1000 and thermocouple
  • Pt100, Pt1000 and thermocouple
  • Up to 4 alarm outputs
  • LCD display with plain text
  • Intrinsically safe use of Pt100 sensors
  • Intrinsically safe use of 0(4)…20 mA sensors
  • Intrinsically safe use of 4…20 mA, loop-powerd indicators
  • Measuring range 0..50 Ω up to 100 kΩ
  • Processor technology with 12 Bit AD/DA-converter
  • Teach-in programming for start- and end-value    
  • Increase or decrease output characteristic programmable
  • Operation mode indicated by use of a 2-color LED
  • Process control with over 100 functions
  • Control unit with 4 function keys and touch display
  • Screen recorder and data logger functions An ideal control, regulating, and operating unit
  • GHM CAT configuration software
  • Measuring range 100 mbar to 10 bar
  • Immersion depth: max. 100 m
  • Analog output 4..20 mA
  • For drinking-, process-water, oil
  • Process temperature -10..+60 °C
  • Protection class IP68, depth of immersion max. 100 m
  • Scale freely on site within seconds
  • Monitoring for probe damage, probe short circuit, values above/below permissible limit
  • No auxiliary energy Special adaptor can be turned to any position
  • Display adaptable to 4 positions
  • Plug-in display 4...20 mA with EX-protection for all potentially explosive atmospheres
  • Ex qualification: II 2G Ex ia/ib IIC/IIB T4
  • Input signal: 4...20 mA (2-wire)
  • Voltage load: approx. 2 V, (approx.3.5 V at...-EX)
  • Supply current: from current loop
  • Accuracy: ±0.2 % FS ±1 digit (at nominal temperature = 25 °C)
  • Display: 10 mm high LCD
  • Display range: -1999... +9999
  • Flexible pivoting LCD display
  • Can be used for countless 4-20mA sensors with M12 connection for detection of pressure, temperature, flow, fill-level, pH etc.
  • Plug in-between sensor and normal signal cable
  • Simple filling counter with programmable end signal
  • Control switchover at present value
  • Automatic, dynamic change of display unit and decimal places in the graphics display
  • Simple guided menu via graphics display