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Which probes/temperature sensors does Cropster support

This article will introduce the wide range of probes and temperature sensors supported by Cropster for precise monitoring and control of roasting processes.

Written by Nikolett Takacs

Updated at July 30th, 2025

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Table of Contents

Where can I get probes/temperature sensors? Who can help with the installation of temperature sensors?Your roast machine manufacturer, refurbisher, or roast technician will be able to provide technical support. Or contact one of the following regional roast technicians: Can I keep my current temperature readout in parallel?There are two ways to do this:

Cropster supports two types of temperature sensors:

  1. Ungrounded Thermocouples of the types J, K, T, and E 
  2. Resistance temperature detectors (RTD) of the types PT-100 and PT-100

Cropster only supports UNGROUNDED sensors. Ungrounded means that the junction (the point where the actual temperature is measured) does not touch the hull/sheath. Ungrounded thermocouple reduces the risk of ground loops.

Cropster delivers different databridge hardware and installation guides depending on if you use thermocouples or RTDs. Please specify which type you are using upon ordering!

  • If you are located in the European Union (EURO): https://shop-eur.cropster.com/
  • If you are located outside of the European Union (USD): https://shop-usd.cropster.com/
 


Where can I get probes/temperature sensors?

The following companies provide thermosensors in your area:

  • Your roast machine manufacturer or refurbisher or maintenance
  • Cropster Inc: https://shop-usd.cropster.com (all but EU)
  • Cropster GmbH: https://shop-eur.cropster.com (EU)
  • Omega: www.omega.com
  • Thermosense: www.thermosense.co.uk (UK)
  • Thermocouple Direct: www.tcdirect.com/deptprod.asp
  • EUSTIS: www.eustispyrocom.com
  • NANMAC: www.nanmac.com/thermocouples.html
  • Temperature Controls: www.temperature.com.au (OZ)
  • Pyro Sales: www.pyrosales.com.au (OZ)
  • JMS: www.jms-se.com/catalog.php#min
  • Watlow: www.watlow.com/products/sensors/se_therm.cfm


Who can help with the installation of temperature sensors?
Your roast machine manufacturer, refurbisher, or roast technician will be able to provide technical support. 
Or contact one of the following regional roast technicians:

  • US: Michael Whitley (Alliance Service Network)
  • OZ: Peter Wolff (Wolff Coffee Roasters)
  • ZA: Neil Maree (Genio Coffee Roasters)
  • Europe: Malcolm Quarleri (Coffeetec.co.uk)


Can I keep my current temperature readout in parallel?
There are two ways to do this:

  1. Splicing
  2. Dual Probes

Splicing (Thermocouples only)
Splicing means you connect the Cropster Connector (data bridge) with a two-wire cable (per logged temperature) in parallel to the corresponding channels of your current readout.

Check out the splicing instructions for more information. 

 

Splicing does not work for RTD sensors. Splicing does not work on all roasters. If you get irregular or spiky readouts, please replace your probe with a dual probe.

 


Dual Probes
Dual probes carry two independent temperature sensors in one probe coating. Hence, each Dual probe carries at least 2x2 wires in one cable. After installing the probe, connect one pair of wires to your current readout, the other pair to the Cropster Connector.


Congratulations! You got to know the temperature sensors that Cropster supports.

Your opinion matters. If you have further questions, feedback, or concerns, please submit a support ticket directly from support.cropster.com. 

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