
Configure to Order Custom
Temperature Probes
Configure-to-Order
Custom Thermistor and RTD Probes
Configure-to-Order probes offer the flexibility of custom design at the price
many of
standard parts. Match a thermistor or RTD with sheath, cable and termination options
to create a custom probe for your temperature measurement application.
If you don’t find a Configure to Order probe that suits your application, we can
design probes specifically for your application. We also offer off the shelf
Standard 400 Series Probes. Not all configurations
are valid. Most probes can also be made with TC's. Contact A.I.S.
for additional information.
About Configure-to-Order Probes:
Operating Temperatures:
If you plan to use your probe above 100°C, you must select options that can
withstand higher temperatures.
Probes with glass thermistors, stainless steel
sheaths and Teflon cable are rated to 200°C.
Thermistor Components:
Choose thermistors: You may design most probes to use any
thermistor.
44000 Series Thermistors - Cost-effective ±0.2°C or ±0.1°C
interchangeability
44000 Series Thermilinear Components - Linear outputs
45000 Series Thermistors - Stable High operating temperature
46000 Series Thermistors - Unsurpassed long-term stability, ±0.2°C to
±0.05°C interchangeability
55000 GEM Series Thermistors - Low-cost hermetic, Up to 200°C Probe
Materials
RTD 385 Series RTD
Epoxy – We match epoxies to design requirements.
Stainless Steel – 316SS. Tubular probes have rolled ends and uniform wall
thickness throughout, hermetic tips and a medical-grade polished finish.
Teflon – We use FEP Teflon for the 014.
Aluminum – We use 2024 T4 in the 083 probe.
Brass – Screws and fittings per ASTM B16 and ASTM B453.
Options:
FEP – Sealed end Teflon tubing over the stainless steel sheath to protect
thermistors from caustic materials. FEP is compatible with compression fitting
option.
Terminations:

Cable Styles:
Type
|
Description |
Temperature Range |
Gauge Conductor/Shield |
Typical Outer Diameter |
|
|
|
|
1-wire |
2-wire |
3-wire |
RP |
Round PVC |
-40 to +105°C |
24 AWG stranded/- |
- |
0.147" |
0.147" |
RPS |
Round PVC |
-55 to +105°C |
24 AWG stranded/foil |
- |
0.150" |
0.160" |
RPM |
Round PVC Mini |
-55 to +105°C |
28 AWG stranded/- |
- |
0.100" |
0.115" |
RT |
Round TFE Teflon |
-65 to +200°C |
26 AWG stranded/- |
- |
0.105" |
0.125" |
RTS |
Round TFE Teflon |
-65 to +200°C |
26 AWG stranded/braid |
-
|
0.120" |
0.126" |
RN |
Round SJO Neoprene |
+60°C max |
18 AWG stranded/- |
- |
0.300" |
0.330" |
RNS |
Round SJO Neoprene |
+60°C max
|
18 AWG stranded/braid
|
- |
0.295" |
0.340" |
FP |
Flat PVC
|
-40 to +105°C
|
24 AWG stranded/-
|
- |
.058” x .115" |
.044” x .150" |
FT |
Flat TFE Teflon
|
-65 to +200°C
|
30 AWG stranded/-
|
- |
.032” x .80" |
032” x .125" |
IA |
Individual Tefzel® |
-65 to +150°C |
28AWG stranded/- |
0.028" |
- |
- |
IP |
Individual PVC |
-55 to +105°C |
28 AWG stranded/- |
0.034" |
- |
- |
IPL |
Individual PVC Large |
-40 to +80°C |
22 AWG stranded/- |
0.057" |
- |
- |
IPM |
Individual PVC |
-55 to +105°C |
32 AWG stranded/- |
0.028" |
- |
- |
IT |
Individual TFE Teflon |
-60 to +200°C |
28 AWG stranded/- |
0.027" |
- |
- |
ITL |
Individual TFE Teflon Large |
-60 to +200°C |
24 AWG stranded/- |
0.036" |
- |
- |
ITM |
Individual TFE Teflon Mini
|
-60 to +200°C |
32 AWG stranded/- |
0.021" |
- |
- |
IV |
Individual varnish-insulated |
-40 to +180°C |
32 AWG solid/- |
0.008" |
- |
- |
IC |
Individual tinned copper |
NA |
32 AWG solid/- |
0.008" |
- |
- |
ID |
Individual Dumet |
NA |
32 AWG solid/- |
0.008" |
- |
- |
TC |
TC Cable |
NA |
|
- |
- |
- |
Note: Lead length
tolerance is -0 to +10% |
Probe Styles:
Most probes are available with
any thermistor. CONFIGURE-TO-ORDER THERMISTOR PROBES HAVE MINIMUM QUANTITY
REQUIREMENTS. SOME, HOWEVER ARE ALSO AVAILABLE AS STANDARD
400 SERIES PROBES.
MOST STANDARD 400 SERIES PROBES HAVE NO MINIMUM REQUIREMENT. Standard assemblies
have 10' RP leads and Phone Plug (PH) terminations. We can often supply standard
400 Series Probes from stock. Configure to order probes are normally 6 - 8 weeks
delivery.
Part Number |
Drawing |
Description |
Nearest Medical Probe |
Minimum Order Quantity for Configure
to Order |
011
Round PVC
Tip Probe |
 |
Combines ruggedness and flexibility. The
vinyl plastisol encapsulation protects against mechanical shock. The
thermistor encapsulant and cable are the same material, which provides
moisture resistance. The PVC cable construction provides abrasion
protection.
Application: Excellent for applications such as environmental
temperatures and supplying temperature data of test subjects for
compensation. Tolerates many days of immersion without internal water
shunts.
Typical Time Constant: 7 seconds
Temperature Range: -40 to 105°C |
401AC |
14 |
014
Thermistor
with Leads |
 |
Constructed with individual leads for
flexibility of use. The advantage of the YSI 014 probe is the ability to
control placement and insulation of the leads to maximize response time
and reduce measurement error. Glass thermistors are spliced to insulated
leads. This splice is covered with 2" of Teflon shrink tubing.
Application: YSI 014 probes are generally the lowest cost and are used
frequently in instrumentation.
Typical Time Constant: 1 to 3 seconds
Temperature Range: Thermistor and cable dependent
YSI 014 Thermistor with FEP Option (resists attack from almost all
chemicals in the industrial environment. The exceptions are hydrofluoric
acid, alkaline metals, and a few other compounds. While Teflon is
highly water-vapor-permeable, it’s extremely resistant to attack by
ionized compounds. The specific heat of Teflon is quite high, making
this style a poor choice for gas temperature measurement.)
Application: A frequent application is temperature measurement and
control of plating baths. When mounting the probe in a chemically
active environment, prevent splashing into the back of the tube.
Typical Time Constant: 2.5 seconds
Temperature Range: Thermistor and cable dependent |
|
Contact A.I.S. |
017
Small Diameter
Thermistor |
 |
The 017 style thermistor offers YSI
pressed disk interchangeable ceramics in their smallest form factor.
Compatible with 10k ohm or 30k ohm thermistors in either ±0.2° and
±0.1°C tolerance, this style offers excellent response time and minimal
stem effect.
Application: Low mass, critical applications requiring the
interchangeability and stability
offered by pressed disk ceramics.
Typical Time Constant: 0.5 second
Temperature range: Thermistor and cable dependent |
|
Contact A.I.S. |
030 – 032
Tubular Probes |
 |
The 030 – 032 Series are 316 SS tubular
probes in 1/8", 3/16", and 1/4" diameters.
Internal construction ensures reduced stem effect and minimal response
time. Use of 55000 Series GEM thermistors offers a low-cost hermetically
sealed probe.
Immersion depths can significantly affect measurement accuracy.
Application: Primary application is measurement and control sensing in
wet environments.
Compression fittings simplify insertion into flow applications. The FEP
option places Teflon coating over the tubular to allow use in caustic
environments.
YSI 030 Typical Time Constant: 3 seconds
YSI 031 Typical Time Constant: 3.8 seconds
YSI 032 Typical Time Constant: 4.5 seconds
Temperature range: Thermistor and cable dependent |
403
or
406 |
1 |
039
Small Diameter
Tubular Probe |
 |
The 039 style uses sealed-end 304SS
hypodermic tubing in conjunction with small cast ceramic thermistors to
offer fast response tubular probes. These probes can be made in RTD and
TC configurations. Although limited in availability 2252 ohm or 10k ohm
thermistors may be used but they are not interchangeable. This style offers excellent response time
and minimal stem effect for use in small volume samples.
Application: Ideally suited for small volume biological sample
measurement, cuvette temperature or similar applications. Pricing
on these probes is significantly high than other probes shown on this
page.
Typical Time Constant: 1.5 seconds
Temperature range: Not to exceed 100°C |
|
Limited Availability |
050
Bird Cage Air
Probe |
 |
The YSI 050 style is designed to measure
temperature in dry gas streams. The 050 has the fastest response time of
any standard protected probe. While the thermistor is sealed with an
insulating epoxy, the seal is not useful in aqueous solutions and should
not be immersed. For exposure to wet or abrasive environments, use
either a YSI 030 or YSI 052 probe.
Application: Designed for incubator and low-temperature drying systems.
Typical Time Constant: 1 second
Temperature range: Thermistor and cable dependent |
|
1
|
070
Underwater
Probe |
 |
The YSI 070 style is designed for
long-term burial in soil, concrete or other high-wetness environments.
Potted in a polyvinyl cap, it provides a high-integrity seal as well as
mechanical protection to the thermistor itself. For best long-term
performance we recommend glass-encapsulated thermistors (YSI 45000,
46000, 55000 Series).
Application: While not designed for deepwater immersion, the YSI 070 is
frequently used to measure the temperature of bogs, wetlands and wells.
It can withstand the pounding punishment of burial in interstate
roadways and airport runways.
Typical Time Constant: 15 seconds
Temperature Range: 60°C max |
See
Waterproof Probes |
1 |
071
Deepwater
Probe |
 |
Designed for long-term immersion at
considerable depth, this style has a stainless/neoprene vulcanized seal
with a molded external splice protector. This assembly method provides a
high-integrity seal as well as mechanical protection to the leads and
the thermistor. For best long-term performance we recommend
glass-encapsulated thermistors (YSI 45000, 46000, 55000 Series).
Application: It’s designed for deepwater immersion and is frequently
used to measure the temperature of deepwater reservoirs, wetlands, and
wells. Multiple year immersion at 2,000 feet is feasible. Several such
installations are in place for thermal gradient power generation tests.
The YSI 071 can withstand the forces of pier mounting in high-wave
environments.
Typical Time Constant: 5 seconds
Temperature Range: 60°C max |
See
Waterproof Probes |
1 |
081
Surface
Probe
082
Small Surface
Probe |
 |
The construction of these probes provides
fast response and minimal stem effect
error when used with relatively lightweight and properly mounted leads.
The
thermistor is electrically isolated from the case. These probes are not
waterproof.
All flat surface sensors require good surface contact while protecting
the
noncontact surface from high levels of radiant energy. This can be
accomplished
by placing a reflective surface between the sensor and the source.
Application: Designed for permanent or temporary fixed-mount surface
temperature
applications. Also for measuring coil and radiator temperatures in heat
exchangers.
Typical Time Constant: 1.1 seconds
Temperature Range: Thermistor and cable dependent
Typical Time Constant: 0.3 seconds
Temperature Range: Thermistor and cable dependent |
408
409
427 |
Contact A.I.S. |
083 – 085
Attachable
Surface Temperature
Probes |
 |
The 083 – 085 series surface probes allow
attachment to a surface by use of screw
and are differentiated by mounting hole size and housing geometry. The
083 style
has the most rugged housing and offers the greatest surface contact. The
084 and
085 styles offer #8 and #6 screw openings, respectively. The 085 style
allows offset
attachment due to its’ flag lug configuration. All flat surface sensors
require good
surface contact while protecting the non-contact surface from high
levels of radiant
energy. This can be accomplished by the use of thermal compound between
the
surface and probe, and by placing a reflective surface between the
sensor and any
radiant energy source.
Application: Designed for bolt-in-place applications. Used to measure,
compensate
and control temperatures of motors, surface plates, heat exchangers, and
fluid
pumping systems.
YSI 083 Typical Time Constant: 8 seconds
YSI 084 Typical Time Constant: 5 seconds
YSI 085 Typical Time Constant: 3.1 seconds
Temperature range (083 – 085): Thermistor and cable dependent |
|
1 |
090, 091, 093, 094
Screw Probes |
 |
The 090 and 093 styles offer thermistors
in 8-32 housings of brass and 316 SS
respectively. The 091 and 094 styles offer thermistors in 10-32 housing
of brass
and 316 SS respectively. Brass provides an excellent thermal pathway.
Stainless steel
offers superior strength over brass but with increased possibility for
measurement error. In all applications, the lead should not be
excessively flexed.
Application: Especially useful for measuring relatively thick samples
where mass temperature
rather than surface temperature is critical.
YSI 090 Typical Time Constant: 2 seconds
YSI 093 Typical Time Constant: 2.5 seconds
YSI 091 Typical Time Constant: 3.5 seconds
YSI 094 Typical Time Constant: 4 seconds
Temperature range (090, 091, 093, 094): Thermistor and cable dependent |
|
Contact A.I.S. |
Build A Part Number: (Note:
All of the above can also be built as an RTD or Thermocouple as
well.)
For instance - To
make an 030 custom probe:
41000 Series Part
Number Format
41030-44033-4.50-RT-120-PH-( )-( )
Model
Number________________________________
41030
Sensor
Part Number- from Sensor Section ________________ 44033 (2252Ω Thermistor 0.1°C
Accuracy, could also be an RTD or TC)
Sheath
Length in Inches________________________________________ 4.50
Lead
Style- from Lead Style List and Table _____________________________
RT (This is
Round Teflon – I almost always use this - TC's require TC wire)
Lead
Length in Inches_________________________________________________
120
Lead
Termination/Connector- from Connector List______________________________ PH
(Phone Plug in this case)
Options-
from Options List and Table __________________________________________
( )-( ) (None)
The 030 does not
have the spring strain relief that the 406 has.
These are the
Lead Styles available:
IP
(PT,
TH)
IT
(PT,
TH)
FEP
(TC)
OF
(TC)
PFA
(TC)
PUT
(PT,
TH)
RF
(PT)
RP
(PT,
TH)
RPS
(PT,
TH)
RT
(PT,
TH)
RTS
(PT,
TH)
TC
|
Individual, #26 to #30AWG stranded, PVC insulation, 125°C.
Individual, #26 to #30AWG stranded, TFE insulation, 250°C.
Thermocouple, #24AWG solid duplex , FEP insulation, 200°C.
Thermocouple, #20 or #24AWG solid duplex, fiberglass insulation, 480°C.
Thermocouple, 24AWG solid duplex, PFA insulation, 250°C.
Cable, #24AWG stranded, foil shield, polyurethane jacket, 125°C.
Cable, #26AWG stranded, fiberglass jacket, 360°C.
Cable, #22AWG stranded, PVC jacket, 125°C.
Cable, #24AWG stranded, foil shield, PVC jacket, 125°C.
Cable, #26AWG stranded, PFA jacket, 250°C.
Cable, #26AWG stranded, braid shield, TFE jacket, 250°C.
TC wire - contact A.I.S. for a P/N
|
These are the
Most Popular Terminations:
ST
PH
??
|
Strip &
Tin
Spade Lugs (#6)
Phone Plug ¼” RTD, TC or Other Kind of Connector.
Contact us for a P/N
|
Other sensors,
lead styles and terminations are available, including armor, water proof, 0.05°C
precision, Teflon coating, etc.
Note: These probes are available in
Thermistor, TC,
RTD and
other Sensor Configurations.
Not all combinations are
possible.
Thermometers
Probes - 400 Series Medical and Life Sciences Probes
Thermistors
RTD's
Thermocouples
YSI Thermistor, Thermometer, YSI Temperature, YSI,
Thermistor Thermometer, Thermistor Probe, YSI Medical, Measurement
Specialties, Logan Enterprises
|