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Applications:

surge protection for 2 pair lines of closed circuit (loops) in the data, signal and communication systems: 4-20 mA current loop, analog/digital communication, RS485, RS422 (V11) interface, high-frequency bus system, 2 wires video transmission system.

Specifications:

• ANSI / IEEE C62.41 category: B, C
• Rated operating voltage Un 24 V DC
• Max. continuous operating voltage Uc 33 V DC / 23,3 V AC
• Rated load current at 25°C IL 1 A
• Nom. discharge current (8/20 μs) In 10 kA
• Max. discharge current (8/20 μs) Imax 20 kA
• D1 current impulse (10/350 μs, per line) 2,5 kA
• Voltage protection level Up:
  • at In, C2 (8/20 μs, line-line) ≤ 55 V
  • at In, C2 (8/20 μs, line-PG) ≤ 500 V
  • at C3, 1 kV/µs (line-line) ≤ 48 V
  • at C3, 1 kV/µs (line-PG) ≤ 600 V
• Compliance with standards: EN 61643-11:2012, EN 61643-21:2001+A1:2009+A2:2013, EN 61643-31:2019

Applications:

• For protecting low voltage equipment against lightning and surge damages
• For installation in conformity with the lightning protection zones concept at LPZ 0-1
• Designed according to IEC 61643-11:2011

Specifications:

• Category IEC / EN / VDE: class II+III / type 2+3 / C+D
• Max. continuous operating voltage Uc 275 V AC
• Nom. discharge current (8/20 μs) In 10 kA
• Max. discharge current (8/20 μs) Imax 20 kA
• Voltage protection level Up ≤ 1,5 kV
• Max. backup fuse 125 A

The oxygen concentration meter MF010-O-LC determines the oxygen content in gas mixtures up to a temperature of 250 °C.

• Stable long-life electrochemical gas sensor
• Range 0...20 % vol O₂
• Resolution 0,01 % vol O₂
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 19,5 / 18 % vol O₂

• Stable long-life electrochemical gas sensor
• Range 0...20 % vol O₂
• Resolution 0,01 % vol O₂
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Attached or remote sensor options

• Electrochemical gas sensor
• Range: 0...25 % O₂
• Resolution: 0,01 % O₂
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -30...+50 °C
• Supply: 12...36 VDC, 24 VAC or 230 VAC

• Stable long-life electrochemical gas sensor
• Range 0...5 ppm O₃
• Resolution 0,03 % ppm O₃
• Outputs 2 switches, 2 x 4...20 mA / 0...10 V, RS-485
• Default alarm set-points 0,3 / 1 ppm O₃
• Attached or remote sensor

• Stable long-life electrochemical gas sensor
• Range 0...5 ppm O₃
• Resolution 0,03 % ppm O₃
• Outputs 2 x 4...20 mA / 0...10 V, RS-485
• Attached or remote sensor

• Electrochemical gas sensor
• Range: 0...5 ppm O₃
• Resolution: 0,01 ppm O₃
• Analog output: 2 x 4...20 mA / 0...10 V (user-settable)
• Digital output: RS-485 (Modbus RTU protocol)
• Option: relay output (2 x SPST) / LCD indicator
• Option: remote sensor (default cable length is 3 m)
• Operating temperature: -40...+50 °C
• Supply: 11...30 VDC / 24 VAC or 90...265 VAC

• RDM-3P is designed for moisture measurement of paper
• Three scales:
  • 5,3...23 % for paper
  • 8...40 % for baled scrap paper
  • 0...100 % arbitrary scale for obtaining relative moisture indications on other material
• Bright, clear digital display
• Built-in calibration check
• Audible, adjustable alarm
• Integral contact pins mounted on top of meter provide 8 mm penetration
• Built-in connector accepts any Delmhorst electrode
• Auto-shut off timer saves battery life
• Store up to 1400 readings with date and time stamp
• View and organize stored readings on screen
• Optional software lets you download readings to your computes and generate Excel reports
• Operating temperature: -20...70 °C
• Size: 215 x 85 x 45 mm
• Weight: 312 g
• Rugged construction ensures years of reliable use
• Sturdy plastic carrying case
• Supply: 9 V battery
• 1-year warranty

• Grain temperature monitoring system software for PC
• Collects data from temperature cables GWSL 1100 and GWSL 2100 and spear temperature sensors GWTL-R
• Stores, visualizes data in charts
• Alarms
• Level indication

The instrument uses a pH/ORP sensor and RTD Pt100 temperature sensors. If the Pt100 is connected the transmitter makes automatic temperature compensation (pH only).

• pH range: 0 ÷ 14.00 pH
• ORP range: 0 ÷ 1000 / 0 ÷ -1000 / -1000 ÷1000 / 0 ÷ 2000 / 0 ÷ -2000 mV
• Temperature range: -10.0 ÷ 110.0 °C / 14.0 ÷ 230.0 °F
• Resolution: 0.01 pH, 1 mV, 0.1 °C
• Digital output: RS-485 isolated
• Analog output: 4-20 mA galvanically isolated, "current loop" two wires
• Power supply: 9 / 36 Vdc
• Dimensions: 71x95x58 mm. Rail Din (4 modules)
• Operating temperature: 0…+50 °
• EMC/RFI conformity: EN 61326

pH electrode sensors (glass, epoxy body and submersible)

Instrument PH135 is designed for liquid pH, ORP and temperature measurement.

• pH measuring range: -1.00/15.00 pH, accuracy 0.01 pH
• ORP measuring range: -1200/+1200 mV, accuracy 1 mV
• Temperature measuring ranges: -10.0/+110.0 °C ;  -14.0/+230.0 °F
• Alphanumeric LCD display
• Manual and automatic temperature compensation
• Manual or automatic calibration
• Automatic recognition of buffer solutions
• Data logging up to 100 measures
• Alcaline 9 V battery
• Dimensions: 92 x 155 x 33 mm  -  Weight:  approx. 300 g 

Phase voltage controller PKF-302. The device is designed for electric motor protection from asymmetric supply and grid voltage drop. The controller has two switch outputs of which one is used for protective shutdown and another for alarm. Simplified type 333 variant.

• Channels: Shutdown and alarm
• Supply: 3x (50...230...265)V. Max 2,5W
• Frequency: 40...50...60 Hz
• Indicator: 3 x LED 3 digits
• Measuring mode: True RMS
• Activation voltage: 185 V
• Reset voltage: 195 V
• Activation time: about 1s
• Reset time: 1...999 s (optional 4 or 6 s)
• Switch outputs: 2 x switching 2A, 250V AC
• Ambient temperature: -15°C...55°C
• Mounting: 35 mm rail
• Protection class: panel IP40; connections IP20

Phase voltage controller PKF-333SZE. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

Phase voltage controller PKF-333SZR. The device is designed for electric motor protection from asymmetric supply and grid voltage drop or overvoltage and automatic UPS activation. The controller monitors voltage phase angles and harmonic distortions due to generated high harmonics.

• Maximum efficiency up to 98,5 % (SiC technology)
• Wide MPPT voltage range: 350...800 V
• Maximum power point tracking, up to 3 MPPT trackers
• Large graphical display provides an easy, user friendly operator interface
• Versions without transformer for enhanced efficiency
• Inputs/outputs: 3 x analog inputs, 2 x digital inputs, 2 x digital outputs
• 2 x RS-485 ports
• Auxiliary 24 VDC supply for connection of environmental sensors
• Integrated data logger for operation and fault data logging
• USB port for quick and handy saving of production and operation data
• Integrated DC circuit breaker under load
• Protection against overcurrent, overtemperature, reverse DC polarity, AC and DC overvoltage
• Natural ventilation minimizes breakdown and maintenance
• Full power without derating up to 50 °C ambient temperature
• Protection class: IP65 (suitable for both indoor and outdoor installation)

• The system is designed to contol ambient parameters (temprature, humidity,lighting time, CO2, O3 and O2 concentration)
• The data is gathered from various measuring devices and conveyed into a PLC
• PLC and SCADA interface is MODBUS TCP
• Manual and automatic control is available
• Marameters can be changed via SCADA (IGSS) software
• All data is logged

• PID control function with accurate self-tuning
• Input: Pt100 (-200…+600 °C ± 0,5 % of full scale ± 1 digit)
• Relay output: 250 V AC (5, 8, 16 A) NO / NC
• Control algorithm: On-Off / P, PI, PD, PID (configurable)
• Soft start feature
• Selectable heating / cooling control
• In case of sensor failure, periodically, auto-periodically running or relay state can be selected
• Mountable on DIN rail
• Power supply: 230 V AC, 10…30 V DC - 8…24 V AC (selectable on order)
• Operating temperature: 0…+50 °C

Pneumatic valve 290 (Asco).

• Great permeability due to angular construction
• Does not produce hydraulic shocks
• Can operate in vacuum (up to 10-2 mbar)
• Reliable and lasting stem seal

Special versions and additional equipment:

• Valve completely made out of stainless steel AISI 3156L
• Valve with welded ends or ISO 2852 connection for food industry
• Back contacts, process limiters
• Solenoid distributors
• Special versions for oxygen, Ex zone

PoE (power over Ethernet) temperature, relative air humidity, atmospheric pressure meters T4611, T3611, T7611. Only to be used with external sensors.

Application:

• Storage rooms
• Greenhouses
• Telecommunication devices
• Servers
• A/C units

PoE (power over Ethernet) temperature, relative air humidity, atmospheric pressure meters T0610, T3610, T7610. Only to be used with internal sensors.

Application:

• Storage rooms
• Greenhouses
• Telecommunication devices
• Servers
• A/C units

• Oxygen concentration measuring in air and inert gas mixtures
• Specially developed for use in composting plants
• Measuring range of oxygen concentration: 0,1…25 % (0…100 % range on request)
• Value indicator of measured oxygen concentration
• Output: 4…20 mA analog or bidirectional digital signal (for calibration, operation diagnostic)
• Length and diameter of the sensor protection tube to the handle: 1200 x 30 mm
• Length of the protective tube part to be stuck in the compost heap: ~ 1000 mm
• Material of protective tube: Stainless steel 1.4301
• Housing ambient temperature: -10…+50 °C
• Probe ambient temperature: -10…+100 °C
• Protection class of housing electronic: IP65
• Protection class of probe: IP40
• Rechargeable battery with indication of voltage
• It is possible to connect the sensor to a stationary data processing system

• Portable analyzer NP40 is designed for power network quality parameter analysis
• Analyses voltage and current harmonics up to 51-st, THD
• Real-time waveform display (4 voltage / 4 current)
• Measurement of TRMS currents up to 3000 A (with standard sensor)
• Half cycle RMS measurement (voltage and current)
• Measurement in 1-phase and 3-phase systems (3- and 4-wire)
• Voltage, current, harmonics, power, energy and other parameter measurement
• Graphical representation of data in a waveform and vector diagram
• Record of events: dips, swells, overvoltages
• Built-in 8 GB memory card
• Ethernet interface for remote monitoring
• USB interface for data transfer
• Color 5,6” TFT display, 320 x 240 px

LTC potentiometric linear transducers are designed for usage in linear displacement, movement measurement and position detection.

The main difference from LTM transducers is that LTC has self-tuning mounting with two bearings with which the non-linear twist of up to ±30 ° is possible. Movement of up to 1000 mm.

Application:

• Press Brake Machines
• Marble Machines
• Tension Control
• Horizontal Band Saw Machines
• Transfer Machines
• Hydraulic Machines
• Sheet Metal Working Machines
• Bending Presses
• Textile Machines

LTM potentiometric linear transducers are designed for usage in linear displacement, movement measurement and position detection.

Movement of up to 1000 mm. High resolution (0,01 mm). No additional parts such as gears are needed, because transducer construction enables the direct connection into mechanical system.

Application:

• Press Brake Machines
• Marble Machines
• Tension Control
• Horizontal Band Saw Machines
• Transfer Machines
• Hydraulic Machines
• Sheet Metal Working Machines
• Bending Presses
• Textile Machines

LTP potentiometric linear transducers are designed for usage in linear displacement, movement measurement and position detection.

The main difference from LTM transducers is that LTP has self-tuning mounting with two bearings with which the non-linear twist of up to ±30 ° is possible. Movement of up to 1000 mm.

Application:

• Press Brake Machines
• Marble Machines
• Tension Control
• Horizontal Band Saw Machines
• Transfer Machines
• Hydraulic Machines
• Sheet Metal Working Machines
• Bending Presses
• Textile Machines

Single-phase power controller – commutator RP1. The device can be used or circuit commutations in heat element devices. Can be used for resistive and inductive loads. Possible control: pulse or standard (analog signal).

Other functions:

• Load current limiting
• Soft start
• Initial load power setting
• Control with an external signal
• Load current control
• Fuse failure detection
• Overload indication
• Master/slave output
• Switch output

• Power factor controller for reactive power compensation
• Measures 73 power network parameters (40 visible on screen, all via Modbus RTU)
• Relay outputs: 4 / 6 / 8
• Programmable switch in time, switch off time and discharge time
• Alarm message and relay output
• Optional digital output: Modbus RTU (RS-485)
• Optional real time clock (RTC)
• LCD screen
• Operating temperature: -10...+60 °C
• Protection class (front): IP54

• Panel electromagnetic devices are designed to measure the angle between phase voltage and current in one-phase and three-phase circuits
• Measured value is represented in cosine (cos φ)

Power meters PA39. Panel power meters are designed to measure active and reactive power. Transducer signal is measured using magnetoelectricity. Can be used for 1 or 3-phase measurement. Special version available for two-way energy flow measurement. Tropical version is also available (TIII).

• Voltage range: 100 √3...690 V
• Current range: 1A (X/1A) or 5A (X/5A)
• Accuracy class: 1,5
• Consumed power: = <3,25 VA
• Protection class: Frnt panel IP52, terminal IP00
• Devices comform with EN61000-6-2, EN-61000-6-4 standards
• Temperature range: -10...23...+55 °C

• Measures and records power network parameters in single phase or three phase 3 and 4-wire symmetrical and asymmetrical systems
• 54 electrical network quality parameters
• Analysis of voltage and current harmonics (up to the 51-st)
• Color touchscreen: LCD TFT 3.5“, 320 x 240
• 2 configurable alarm outputs
• Analog output 0/4...20 mA and 2 x Pt100 inputs (optional)
• Digital output: RS-485 (MODBUS)
• Ethernet / Profinet 2.2
• Supply: 85...253 VAC / 90...300 VDC or 20...40 VAC / 20...60 VDC
• Battery backup RTC
• Dimensions: 96 x 96 x 77 mm

• Measures and records parameters in 3 and 4-wire, 3-phase, balanced or unbalanced power network
• Up to 500 electrical network quality parameters according to EN 50160, EN 61000-4-30, standards
• Measuring class A or A / S
• Support the IEC 60870-5-104 communication protocol (new - option)
• Analysis of voltage and current harmonics and interharmonics (up to the 51-st)
• Monitoring up to 6 additional energy meters with pulse output
• Recording of measurements before and after events (dips & swells)
• Configurable archives of logged values and events
• SD card support (up to 32 GB)
• Webserver function, FTP server, DHCP client
• Outputs: relays, binary, analog
• Binary inputs
• E-mail alarms
• Interfaces: RS-485 Modbus slave, Ethernet 100 Base-T (Modbus TCP server), USB device and host
• Color touchscreen: LCD TFT 5.6“
• Many data representation modes (i.e. digital display, analog, bar graph, vector diagram)
• IP65 protection class for front side
• Real time clock (RTC) synchronization with NPT time server
• Time synchronization via external GPS module - STR  receiver (new - option)

Power network meter N100 for electric quality to measurements parameters 3 and 4-wire, 3-phase, balanced or unbalanced power network systems with data logging.

The measurement of: values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency, up to 51st THD.

• Two-color LED display
• Backlit units of all measured quantities
• Configurable analog and alarm outputs
• Digital RS-485 interface, MODBUS
• Archiving data in the internal memory file system memory 8 GB
• Ethernet interface, protocol: MODBUS TCP/IP, HTTP, FTP
• services: www server, ftp server, DHCP client

• Designed for direct or indirect measurement of 1-phase network parameters
• Measured values: U, I, f, P, Q, S, PF, tg fi, fi, Ep, Eq
• Direct measurements up to 63 A
• Universal input: 1/5 A 100/400 VAC or 32/63 A, 100/400 VAC
• Outputs: RS-485 (MODBUS interface), 1x relay + 1x analog or 2x relay
• OLED display
• Programmable current and voltage transformer ratios
• Programmable via buttons or free eCon software (through USB)
• Size: 53 x 110 x 60 mm

• Meter N27D is designed to measure parameters of the single-phase power network
• Direct measurements up to 63 A
• The device measures voltage, current, frequency and active power
• Measurements are represented in 4-digit display
• Button enables the scrolling through available measurements
• Mounted on standard 35 mm rail (LST-EN 62208)

• Power network parameter meter N14 is designed for measuring of three-phase network parameters and accounting of internal energy consumption. Can be used in 3- or 4-wire systems
• Can be used in energetic monitoring systems (RS-485 port)
• Active and reactive power measurement, active and reactive power counters, average power measurement
• Phase, current and voltage effective value measurement
• Network frequency measurement
• Average active power (over set time) measurement
• Changeable current and voltage transformer transfer coefficient values
• Operating temperature: -30...+50 °C
• Programmable switch output and RS-485 (MODBUS) port
• Pulse output for remote energy accounting
• Accuracy class: current, voltage 0,5/1,0; frequency 1,0; power 2,0; energy 1,0/2,0; tg φ 1,5

• Power network meter ND20 is designed to measure 3-phase network parameters and to account internal energy consumption
• Usable in 3- and 4-wire systems
• Can be used in energetic monitoring systems (RS-485 port)
• Front panel protection class IP65
• Harmonic, THD, watthour measurement
• 3,5” LCD indicator
• Analog output of 0/4...20 mA (additionally ordered)

• Measurement of power network parameters in 1-phase and 3-phase (3 or 4-wire) systems
• Current inputs 0,1 A and 0,25 A (for dedicated transformers)
• Quick and convenient ways to connect current transformers via RJ12 connector or screw terminals
• Designed for usage with following transformers: LJ12, LJ25, LJ35, LJ45, LJ306, LJ307, LJ308
• RS-485 (MODBUS RTU) interface
• THD factor measurement
• Backlighted LCD 3,5”
• Protection grade from the frontal side: IP65

• Power network parameter measurement in 1- and 3-phase network
• THD factor calculation
• High accuracy class
• Backlit LCD 3,5” display
• RS-485 Modbus slave interface
• Frontal protection class: IP65

• Measures 54 power network parameters (up to 63-rd harmonic, in 1- and 3-phase network)
• Color LCD TFT 3,5” display
• Display pages are fully configurable by user (10 pages. 8 parameters in each)
• 2 configurable alarm outputs
• Digital RS-485 Modbus output
• Optional: 0/4...20 mA output and 2xPt100 inputs
• Option: logging of 32 parameters into internal 8 GB memory
• Modbus TCP/IP, HTTP, FTP server, WWW server, DHCP client

• The MQTT protocol is ideal for communication in distributed acquisition systems data (IoT applications)
• Measures 54 power network parameters (up to 63-rd harmonic, in 1- and 3-phase network)
• Color LCD TFT 3,5” display
• Additional 2 pages for harmonics presentation and 1 dedicated page for visualization in the form of an analog meter
• Display pages are fully configurable by user (10 pages. 8 parameters in each)
• 2 configurable alarm outputs
• Digital RS-485 Modbus output
• Optional: 0/4...20 mA output and 2xPt100 inputs
• Optional: logging of 32 parameters into internal 8 GB memory
• Modbus TCP/IP, HTTP, WWW server, FTP server, DHCP client

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 1/5 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

• Measures 16 power network parameters (1- and 3-phase network)
• Digital output: Modbus RTU (RS-485)
• Pulse outputs: 2
• Direct current measurement for up to 100 A
• Complies with EU directive 2004/22/EC annexes B and D (MID)
• On the MID Version, you can only program the CT Rate ONCE!
  The second time you set it up, the device will lock up and you will have to send it to the manufacturer for a reset.
• Backlit screen
• Operating temperature: -25...55 °C
• Protection class: IP51

Measurement of 54 power network parameters, including current and voltage harmonics up to 63rd in 1-phase 2-wire or 3-phase 3 or 4-wire balanced and unbalanced systems

• High accuracy class (0.2S for active energy)
• Interface: RS-485 (Modbus RTU 8N2,8E1,8O1,8N1)
• Graphical color display: LCD TFT 3,5’’, 320 x 240 pixels, fully configurable by a user (10 screens, 8 parameters in each)
• Additional 2 screens for harmonics presentation and 1 dedicated screen for visualization in the form of an analog meter
• Memory of minimum and maximum values
• 2 configurable alarm outputs
• Supervisory relay mode for alarm outputs
• Password protection
• Programming of parameters using free eCon software
• Battery backup RTC
• Supply: 85...253 V ac / 90...300 V dc
• Operating temperature: -10…23…+55 °C
• Overall dimensions: 96 x 96 x 77 mm

Power network transducer P41 is designed to convert 1-phase power network parameters into analog or digital signal. Measured parameters: voltage (U), current (I), frequency (f), active power (P), reactive power (Q), apparent power (S), power factor (PF), reactive power coefficient (tgφ), phase angle difference (φ), active energy (Ep), reactive energy (Eq).

• universal inputs (1 A or 5 A, 100 V or 400 V)
• programmable analog output ( -20 mA...+20 mA)
• parameter transfer via RS-485 interface (Modbus RTU protocol)
• chosen values memory (9000 records)
• programmable current and voltage transformer coefficients
• transducer settings are changed via „LPConfig“ software (USB)

Power network transducer P43 is designed to measure 3-phase (three or four-wire systems) power network parameters. Two parameter values are converted into analog output signal -20...+20 mA. Other parameter values are sent over RS-485 or USB ports. All parameter min and max values are measured. Data refresh interval is less than 1 s. Output signals are isolated from input and supply. Two programmable alarm outputs. Pulse (passive) output OC can be used for energy accounting. Mounted on 35 mm rail.

• Measuring ranges:
  • current 1/5 A L1...L3: 0,02...6 A
  • voltage L-N/L-L: 2,9...276/ 10...480 V
  • frequency: 45,00...66 Hz
  • active power: -1,65 kW...1,4 W...1,65 kW
  • reactive power: -1,65 kvar...1,4 var...1,65 kvar
  • apparent power: 1,4 VA...1,65 kVA
  • power factor: -1...0...1
  • active energy: 0...99 999 999,9 kWh
  • sum energy: 0...99 999 999,9 kvarh
• Consumed power: ≤ 6 VA
• Transformation coefficients: Ku = 1...4000, Ki = 1...10000
• Supply: 85...253 VDC or AC 40...400 Hz
• Ambient temperature: -10...23...+55 °C

• RS-485 protocol temperature and humidity sensor
• Temperature measurement range: -20...+60 °C
• Accuracy: ±0,13 °C
• Resolution: 14 bits
• Very low current consumption
• Warranty: 3 years
• Connection: RJ-45