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Thermocouple Probes with Molded Miniature Connectors

Quick Disconnect Thermocouples with Miniature Connectors


Item# KMQSS-IM100U-100

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Quantity Price each
1-9 $38.65
10-24 $36.72
25-99 $34.79
100-499 $32.85
500-999 $30.92
1000+ $28.99

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Quick Disconnect Thermocouples with Miniature Connectors KMQSS-IM100U-100 KMQSS-IM100U-100
  • 6" and 12" Lengths in StocK
  • Sheath Diameters from 0.010" to 0.125"
  • 304SS or 321SS Sheath
  • Grounded, Ungrounded or Exposed Junction
  • Color-Coded SMP Miniature Connector Termination
  • Mating Connector and Cable Clamp Sold Separately
  • Custom Lengths Available
  • Made from Special Limits of Error Material
  • Glass Filled Nylon Connector Body Rated to 220°C (425°F)

KMQSS-IM100U-100 Model Options

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Thermocouple Type
Process Temperature Range
Sensor Application
Sheath Material
Junction Type
Probe Diameter
Probe Length
Connector Color Code Standard
Additional Feature
Sensor Type
Connector Style

  • Measurement Units °C
  • Measurement Type Air/Gas Temperature
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Rated 5 out of 5 by from Great service! We order from Omega on a regular basis. They almost always have the exact part we were looking for and we always receive our orders in a very timely manner in the condition expected. Top notch.
Date published: 2017-07-06
Rated 3 out of 5 by from Disappointed that the mini connector is separate. My company has been purchasing this Tcouple for decades. The latest batch came with no connectors. Nobody informed us at time of purchase, and we were charge for rush shipping to a customer that was unhappy with the delay.
Date published: 2018-09-16
Rated 5 out of 5 by from Great Thermocouples these thermocouples with miniature connectors did the job exactly right
Date published: 2022-10-27
Rated 5 out of 5 by from Quick Disconnect Thermocouples with Miniature Conn accurate, easy to use, reliable and able to take the heat!
Date published: 2022-10-02
Rated 5 out of 5 by from Sturdy and Accurate Have used these products over the years and they have always been reliable and sturdy despite the abuse they get.
Date published: 2022-09-12
Rated 4 out of 5 by from Good TCs Work as stated. All within .2 degrees out of the box.
Date published: 2022-01-07
Rated 5 out of 5 by from Very Reliable We have bought these over the last several years with 0 quality issues at a great price.
Date published: 2020-12-28
Rated 5 out of 5 by from Good Stuff ! These are a great product for the price, durable and reliable in harsh conditions
Date published: 2020-09-04
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when would I use a grounded versus ungrounded thermocouple?

Asked by: david w
Thank you for your inquiry David W. You would use grounded when there is no risk of any electrical noise affecting your measurement and you want a fast time response. You will used ungrounded to minimize the electrical noise on the system however your time response will be slower.
Answered by: Application Engineer MC
Date published: 2022-05-04

What is the response time

Asked by: engine09
Thermocouple response time is a function of the probe diameter and the junction type such as Grounded, Ungrounded and Exposed. The link attached will help you determine the response times of various diameters of thermocouples with the three aforementioned junction types. https://www.omega.co.uk/temperature/Z/ThermocoupleResponseTime.html
Answered by: Engineer9
Date published: 2020-03-13

Do you have guidelines for minimum bend radius? I'm not seeing any in the datasheet.

Asked by: juha2097
The minimum bend radius would be 2 times the probes diameter.
Answered by: ANBENG
Date published: 2023-03-14

What is a maximum diameter of the cable connected to the TC? Could you recommend a cable to connect the TC for length of 80m aprox.?

Asked by: Libor
There is no cable or lead wires attached to the probe. You will need to use a mating female connector and extension wire to extend the run of your circuit. The mating connectors can only handle up to a 20 gauge wire. The maximum distance you can run a type E 20 gauge thermocouple wire is 140'.
Answered by: Temperature
Date published: 2020-03-20

Are your assemblies with exposed junction considered pressure / vacuum tight up to the connector? I want to install one in a vacuum oven. Have used sealed probes before, but need quicker response with exposed junction.

Asked by: cbonnerup
Hello, thank you for your question. Although the probe is epoxy sealed we do not recommend using ones with exposed junctions in a vacuum environment because air will leak through from the the outside connector side of the probe into the vacuum.
Answered by: AEMO
Date published: 2020-07-11

for the these thermocouple probes with immersion, can i isolate a part of it and let just a little part non isolated for the measurement. Does this procedure affect the accuracy and the calibration or i should immerge all the probe to get good results.

Asked by: moun1992
Thank you for your inquiry mouna1992. The thermocouple junction that makes up the sensor is located at the tip of the probe which needs to be immersed into the material at all times for accurate temperature measurements. Taking into account this fact, you do not need to fully immersed the probe into the medium. You can immersed most of the length of the probe without any effects on the accuracy as you describe on your question.
Answered by: Application Engineer MC
Date published: 2022-07-28

What is the actual bead diameter of the 1/16" sheath exposed junction probes?

Asked by: dstubbs95
Thank you for your inquiry! Unfortunately, we don't have data on the bead diameter for each probe. However, the length of the exposed junction is approximately 1/4".
Answered by: Application Engineer CK
Date published: 2021-07-19

How do I ensure the accuracy of a KMQSS-062U-12 thermocouple? Is there a standard calibration, and can I access documentation of it?

Asked by: Rick_TO
You can purchase a 3 point NIST traceable calibration report with your probe. Full report will ship with your probe. Please request pricing and lead time quotation from the sales group.
Answered by: NJENG
Date published: 2020-02-10
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