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Products / Single Function Calibrators

Our ranges of single function calibrators from manufacturers Additel, Fluke and Martel include loop calibrators, voltage current
calibrators, mini-source portable calibrators and thermocouple calibrators.

Additel ADT 209 and 210 - Series Loop calibrators

The new Additel 209 and 210 loop calibrator series combine ease of use and functionality, making them the ideal tools to troubleshoot your process loop. The ADT209 has an accuracy of 0.03% of reading whereas the ADT210 holds an accuracy of 0.01% of reading.

  • Measure, source, or simulate loop current
  • Measure DC volts
  • Simultaneously display mA and % of span
  • Accuracy 0.01% of reading
  • HART 250 ohm resistor in series with 24V loop
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Additel ADT 220 - Loop Calibrator

The 220 is a highly integrated loop calibrator featuring several patented technologies, the calibrator is an ultra-compact, rugged, and best of all, easy to use hand-held device that will source, simulate and measure loop current, mV/V, loop integrity, and also perform switch testing. Its smart phone-like menu and interface makes it simple and easy to use. The 220 is ideal for calibrating, maintaining, and troubleshooting various loop devices in the field.

  • Measure and source loop current, mV and V
  • Data Statistics and analysis
  • Data logging
  • “As Cal” on-site calibration tools
  • 3 year warranty
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Fluke 705/707 and 715 - Loop Calibrators

  • Simultaneous mA and %
  • mA accuracy of 0.02%
  • Measure, source and simulate mA
  • Push button 25% steps for fast, easy linearity checks
  • “Span Check” for fast confirmation of zero and span
  • Selectable slow ramp, fast ramp, and step function
  • 24 volt internal loop supply
  • 0-20mAor4-20mA default startup modes
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Fluke 707Ex - Loop Calibrator

The 707Ex is fast one-handed tool for mA loop checks in Ex zones, an intrinsically safe loop calibrator for use in explosion endangered areas. The Fluke 707Ex is certified in accordance with the ATEX directive (Ex II 2 G Ex ia IIC T4) in Zones 1 and 2.

  • Measure, source and simulate mA
  • 24 V loop supply with simultaneous current measurement
  • Mains voltage input protection
  • ATEX compliant
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Martel LC110 & LC110H - Current Loop Calibrator

The Martel LC-110 and LC-110H are mA loop calibrators designed to be simple to use and to offer the highest accuracy of any loop calibrator in their class. The LC-110H incorporates HART communications and supports a select subset of the HART universal and common practice commands. This unique feature allows the LC-110H to be used as both a loop calibrator and basic function communicator.

    • Sources, simulates and reads mA
    • mA read/loop power, reads volts
    • Ranges: 0 to 24mA and 0 to 30VDC
    • Accuracy: 0.01% of reading
    • LC110H additional features
    • Stores up to 20 HART device configuration files
    • Built in HART modem for communication capability
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Martel IVC-222HPII - Voltage Current Calibrator

The Martel IVC-222HPII Precision Voltage Current Calibrator is a general purpose source that can be used in engineering, manufacturing, test, and process control applications. It combines both digital and analog circuitry to achieve its rated specifications in a small, reliable package.

  • Four ranges: 200 mV, 2V, 20V, and 24 mA (source only)
  • Accuracy ±0.015% of reading
  • Built-in 24V power supply can drive 4 to 20 mA loops over 1,000 Ohms
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Martel MS-420 - Mini-Source Portable Calibrator

MS-420 Mini-Source Portable Calibrator is a multi-purpose process loop tool that fits in your shirt package and offers high accuracy in an ultra-small, rugged package. A single pushbutton selects one of five current outputs (4, 8, 12, 16, or 20 mA), which can drive up to 300 Ohms, or can act as a 2-wire simulator with an external loop power supply of up to 30 VDC.

  • Five Current steps: 4,8,12,16 & 20 mA
  • Accuracy ±0.075% of FS
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Martel TC-100 - Thermocouple Calibrator

The TC-100 Thermocouple Calibrator provides high accuracy source and measurement of ten common thermocouples, as well as mV. The TC-100’s accuracy of ±0.3°C for Type J T/C’s includes all errors, at resolutions of ±0.01°C or °F in measure mode and ±0.1°C or °F in source mode.

  • Measures 10 thermocouple types plus mV
  • High accuracy up to ±0.3°C
  • Accepts both T/C mini-plug and bare T/C wires
  • Three setpoints for each T/C type
  • Simple decade control of output
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