FT23L TPI (Test Products Int), FT23L Datasheet - Page 2
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FT23L
Manufacturer Part Number
FT23L
Description
OVEN FOOD PROBE
Manufacturer
TPI (Test Products Int)
Type
T-Type Thermocoupler
Specifications of FT23L
Usage
Liquids, Semi Solids
Tip - Type
Immersion / Penetration, Clamp
Plug Type
Lumberg
Probe Temperature Range
-40 ~ 950°F (-40 ~ 510°C)
Cable Length
177.165" (4500.00mm)
Cable Insulation
PTFE (Polytetrafluoroethylene)
Plug Color
Blue
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Probe Length
-
Probe Material
-
2
What are the differences between the connector types TPI offers?
Sub-Mini- This is an industry standard connector type allowing TPI probes to be used in any thermocouple
thermometer using this type of connector. Sub-mini connectors are quick and easy to use, simply push in and
out. A wide variety of economical probes are available with sub-mini connectors, enhancing versatility and
affordability of the temperature tester.
Lumberg- This connector uses a screw collar to attach to the thermometer and is the most secure connection
available. Lumberg connectors are designed for the rigors of food processing environments. Advantages
include:
Bi-Polar- This connector is used in the TPI thermistor probe line.
What is the difference between thermocouple and thermistor probes?
Thermocouple probes utilize the reaction between two dissimilar metals to produce a voltage that changes as
temperature changes. A thermistor is a resistive with a change in temperature. In general, thermocouples
offer a wider temperature range and quicker response time than thermistors. Thermistors are typically more
accurate than thermocouples.
What are the differences between thermocouple types?
Each thermocouple uses different metals and there fore have different characteristics. Here are general
guidelines:
K-Type- Wide temperature range used in many digital thermometers. Identified by a yellow connector.
T-Type- Narrower temperature range than J-type but more accurate than K and J types, used in digital
thermometers. Identified by a blue connector.
J-Type- Narrower temperature reange the K-Type used in analog and digital thermometers. Identified by
a black connector.
Can different thermocouple types be interchanged?
No. Since each thermocouple type uses different metals in it’s construction they have different output
characteristics. Using a J-type thermocouple in a K-type thermometer will cause measurements to be very
inaccurate.
F: Penetration/immersion
C: Contact/Surface
G: Air/Gas
• Strong connection - stainless steel collar holds and protects connection. Probe will not
• Waterproof stainless steel will not rust and is ideal for wet, humid conditions
• Lumberg connectors are manufactured following ISO9000 quality control guidelines.
Probe Type
pull out of instrument with out unscrewing the collar.
F
REFER TO THE TPI WEBSITE FOR ADDITIONAL OR OEM PROBE OPTIONS
K: Type K-thermocouple
T: Type T-thermocouple
J: Type J-thermocouples
X: Thermistor (PST)
Sensor Type
K
www.tpi-thevalueleader.com •
Sequential Number
21
M- Sub-miniature
L- Lumberg connector
B- Bipole
Connector Type
M
503.520.9197
Copyright © 2008 Test Products International, Inc.
Lumberg
Connector
Bipolar
Connectors
Sub-Mini
Connector
21 Tapered penetration
26 Corkscrew penetration
20 Pointed penetration
22 Chisel penetration
24 Rounded Immersion
28 Alligator Immersion
30 Flat disk (Thermistor)
32 Ribbon
34 Between pack
36 Heavy duty spring
40 Air (Thermistor)
42 Beaded thermocouple
44 Hooded
46 Caged
48 Caged with rack clip
Penetration / Immersion
Surface/Contact
Probe Tips
Type “F”
Type “C”
Type “G”
Air/Gas