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Test and Measurement

Services

Range of standard resistors for calibration purposes from Alpha Electronics and Isabellenhütte.

Vast selection of precision and ultra-precision resistors, current sensing shunts and low ohmic resistors and power resistors in various through-hole and surface-mount packages in virtually any resistance value from Alpha Electronics, Caddock, General Resistance, Isabellenhütte, Riedon, Susumu and Vishay Foil Resistors.

Range of NTC and PTC thermistors and inrush current limiters from Ametherm.

High quality, high voltage relays handling up to 15kV from Cynergy3.

Data acquisition modules from DGH with number of analog and digital input and output options, offering possibility to easily set up a customised plug-and-play data acquisition system.

Isabellenhütte’s innovative solution for battery management system applications – the IsaSCALE IVT-S is a plug-and-play module for precise current and voltage measurement in package fitting into palm of your hand.

Robust, high quality general purpose and precision load cells in range of packages by Lord Sensing Stellar Technology.

Variety of magnetic sensors and digital isolators from NVE Corporation based on their patented spintronic GMR technology.

DGH DIN-110 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.02% of FS maximum
Resolution: 0.01% of FS (4 digits)
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Digital filtering
Input impedance of ≤±1V input =100MΩ minimum and ≥±5V input =1MΩ minimum
Temperature range of -25°C to +70°C

DGH DIN-120 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.04% of FS maximum
Resolution: 0.04% of FS
Common mode rejection: 100dB at 50/60Hz
Zero drift: ±1 count maximum (autozero)
Digital filtering
Voltage drop: ±0.1V maximum
Temperature range of -25°C to +70°C

DGH DIN-130 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy (error from all sources between 0-40°C ambient): ±1°C maximum for J, K, T or E and ±2.5°C for R, S, B or C
Resolution: 1°C
Common mode rejection: 100dB at 50/60Hz
Lead resistance effect: <20µV per 350Ω
Digital filtering
Input impedance of 100MΩ minimum
Temperature range of -25°C to +70°C

DGH DIN-140 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.01% of reading ±10µs
Resolution: 0.005% of reading +0.01Hz
Temperature coefficient: ±20ppm/°C
Input impedance: 1MΩ minimum
Digital filtering
Hysteresis: adjustable 10mV to 1V
Temperature range of -25°C to +70°C

DGH DIN-145 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.1°C (2252 type) or ±0.2°C (TD series)
Resolution: 0.01°C
Common mode rejection: 100dB at 50/60Hz
Digital filtering
Temperature range of -25°C to +70°C

DGH DIN-150 Modbus Voltage Input Module

8-bit ADC, 8 conversions per second
Accuracy: ±0.05% of full scale maximum
10µV (mV spans), 0.02% of the full scale on V span
Common mode rejection: 100dB at 50/60Hz
Digital filtering
Temperature range of -25°C to +70°C

DGH DIN-170 Modbus Digital Input/Output Module

8 conversions per second
Input switching levels: high 3.5V minimum, low 1.0V maximum
Vsat: 1.0V maximum at 100mA
Inputs/Outputs read/set in parallel
Isolated from power supply ground
Temperature range of -25°C to +70°C

DGH DIN-191 RS232 to RS485 Converter

Transparent RS-232 to RS-485 data conversion
Baud rates 300 to 115.2k baud
Includes termination and biasing resistors
Isolated to 500Vrms
Temperature range of -25°C to +70°C

DGH DIN-192 RS-485 Repeater

Transparent RS-485 data repeater
Baud rates 300 to 115.2k baud
Isolated to 500Vrms
Temperature range of -25°C to +70°C

Isabellenhütte A-H1 Series

A-H1 current sense resistor
4-terminal through-hole design
Resistance range from 0.001Ω to 100Ω
Tolerance of ±0.1% or ±1%
TCR of <±30 ppm/°C
Power rating of 10W on a suitable heat sink
Temperature range from -55°C to +140°C

Isabellenhütte A-H2 Series

Current sense resistor
4-terminal through-hole design
Resistance range from 0.001Ω to 100Ω
Tolerance of ±0.1% or ±1%
TCR of <±30 ppm/°C
Power rating of 10W on a suitable heat sink
Temperature range from -55°C to +140°C

Isabellenhütte AZ-H1 Series

Current sensing resistor
4-terminal through-hole design
Resistance range from 0.002Ω to 5Ω
Tolerance of ±0.1% or ±1%
TCR of <±3 ppm/°C or <±10 ppm/°C (+20°C to +60°C)
Power rating 10W on a suitable heat sink
Temperature range from -55°C to +140°C

Isabellenhütte AZ-H2 Series

Current sensing resistor
4-terminal through-hole design
Resistance range from 0.002Ω to 1Ω
Tolerance of ±0.1% or ±1%
TCR of <±3 ppm/°C or <±10 ppm/°C (+20°C to +60°C)
Power rating 10W on a suitable heat sink
Temperature range from -55°C to +140°C

Isabellenhütte BAS Series

Shunt resistor
8420 package size
Resistance range from 35µΩ to 500µΩ
Tolerance of ±5.0%
TCR from <±50 ppm/°C
Power rating of 36W
Temperature range from -40°C to +170°C

Isabellenhütte BKW Series

Current sensing resistor
4-terminal surface-mount design
Resistance range from 0.0003Ω to 0.0005Ω
Tolerance ±5.0%
TCR of <±20 ppm/°C
Power rating of 3W
Temperature range from -55°C to +140°C

Isabellenhütte BRS Series

Current sensing resistor
3812 chip size
Resistance range from 0.002Ω to 0.025Ω
Tolerances from ±1%
TCR from ±100 ppm/°C
Power rating of 2W (at 120°C)
Temperature range from -55°C to +170°C