Precision Thermistor Sensors
For Laboratory Applications
ON-400 Series
Starts at
$
50
⻬ For Use in Laboratory or
Other High-Accuracy
Applications
⻬ Rugged Construction
Can Be Used for
Short-Term Water and
Soil Readings
⻬ Available with a
Resistance of 2252 Ω
at 25°C (Thermistor
Curve #44004)
⻬ 3 m (10') PVC Insulated
Cable and Phone Plug
Connector Standard
⻬ Max Temperature
100°C (212°F)
Dimensions: mm (in)
ON-401-PP, $50, shown actual size.
25.4 (1)
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Resistance Interchangeability Temperature Cable Cable
Model No. Price @ 25°C @ 0 to 70°C Rating Length Termination
ON-401-PP $50 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
Notes: For additional cable length, add required length (in inches) to end of the model number and $0.80/ft to the price.
Ordering Example: ON-401-PP, vinyl coated thermistor sensor, 2252 Ω resistance at 25°C, ±0.1°C interchangeability from 0 to 70°C
(32 to 158°F), supplied with 3 m (10') of PVC insulated and jacketed cable with a phone plug connector standard, $50.
Dimensions: mm (in)
3.6 (0.1406) Dia.
ON-401-PP-V, $50, shown actual size.
Resistance Interchangeability Temperature Cable Cable
Model No. Price @ 25°C @ 0 to 70°C Rating Length Termination
ON-401-PP-V $50 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
Notes: For additional cable length, add required length (in inches) to end of the model number and $0.80/ft to the price.
Ordering Example: ON-401-PP-V, soft flexible vinyl tipped thermistor sensor, 2252 Ω resistance at 25°C, ±0.1°C interchangeability from
0 to 70°C (32 to 158°F), supplied with 3 m (10') of PVC insulated and jacketed cable with a phone plug connector standard, $50.
Dimensions: mm (in)
3
2.4 (
) dia.
⁄
32
ON-402-PP, $96, shown actual size.
Resistance Interchangeability Temperature Cable Cable
Model No. Price @ 25°C @ 0 to 70°C Rating Length Termination
ON-402-PP $96 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
Ordering Example: ON-402-PP, vinyl tipped thermistor sensor, 2252 Ω resistance at 25°C, ±0.1°C interchangeability from 0 to 70°C
(32 to 158°F), supplied with 3 m (10') of PVC insulated and jacketed cable with a phone plug connector standard, $96.
7.9
(0.3125)
max
6.4 (
max
6.4 (
dia.
1
)
⁄
4
1
)
⁄
4
1
3.2 (
) dia.
⁄
8
D-23
Tubular Glass Thermistor Sensors
For Immersion Temperature Measurements
Stainless steel
transition fitting.
127 (5)
ON-404-PP, $140,
shown actual size.
Dimensions: mm (in)
3
4.8 (
⁄
1
diameter
)
6
ON-404-PP
$
140
⻬ Can Be Used for Thermal Titration
Studies and Measurement of
Freezing Points
⻬ 127 mm (5") L Pyrex Probe and 3 m
(10') of PVC Cable Insulated and
Jacketed Cable with Phone Plug
Connector Standard
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Resistance Interchangeability Cable
Model No. Price @ 25°C @ 0 to 70°C Termination
ON-404-PP $140 2252 Ω ±0.1°C Phone plug
Accessories
Model No. Price Description
450-ATH $315 Handheld thermometer, thermistor input
HH41 425 Handheld thermistor thermometer
HH42 499 Handheld thermistor thermometer with RS232 communications
Ordering Example: ON-404-PP, tubular glass immersion thermistor sensor, 2252 Ω at 25°C, interchangeability of ±0.1°C, 3 m (10') of PVC
insulated and jacketed cable and phone plug connector, $140.
D-25
⻬ Chemically Inert for Liquid Immersion Use
Precision Thermistor Sensor
For Air Temperature Measurements
3
0
0
S
e
ri
e
Dimensions: mm (in)
13 (1⁄2)
32 (11⁄4)
16 (
13
(1⁄2)
s
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e
ss
S
te
e
Ho
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u
si
n
g
S
ta
5
⁄8)
Dimensions: mm (in)
13 (1⁄2)
ON-
32 (11⁄4)
i
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j
a
4
3
16 (
3
m
(
1
0
'
)
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D
ON-905-44004, $55,
shown smaller than
actual size.
ON-906-44004, $50,
shown smaller than
actual size.
⻬ Ideal for Measuring Air
ON-905 and ON-906 Series
Starts at
$
50
Temperatures in
Laboratories and
Laminar Flow Systems
⻬ Metal or Plastic Cage
Provides Protection for
Thermistor Sensor While
Leaving it Open to the
⻬ Available in
5 Resistance Curves
⻬ Thermistors are Epoxy
Coated and Extend Into
the Airflow
⻬ Maximum Temperature
100°C (212°F)
Air Flow
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model Resistance Interchangeability Max Cable Cable
Number Price @ 25°C @ 0 to 70°C Temp Length Termination
ON-405-PP $70 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
ON-406-PP 65 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
ON-905-44004 55 2252 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44005 55 3000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44007 55 5000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44006 55 10000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-905-44008 55 30000Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44004 50 2252 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44005 50 3000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44007 50 5000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44006 50 10000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
ON-906-44008 50 30000 Ω ±0.2°C 100°C (212°F) 300 mm (12") Stripped
Notes: For additional cable length, add required length (in inches) to end of the model number and $0.80/ft to the price. For a phone plug, add
“-PP” to the model number and $7 to the price. For tighter interchangeability, substitute the thermistor part number from the table below and
add the price listed to the sensor price.
Ordering Examples: ON-905-44004-36-PP, air temperature sensor with a steel cage and a resistance of 2252 Ω at 25°C, interchangeability of
±0.2°C, 36" of cable and a phone plug connector, $55 + (2 x 0.80) + 7 = $63.60.
ON-905-44034-36-PP, air temperature thermistor sensor with steel cage and a resistance of 5000 Ω at 25°C, interchangeability of ±0.1°C,
36" of cable and a phone plug connector, $55 + $11 + (2 x 0.80) + 7 = $74.60.
Optional Thermistors
Resistance Maximum Storage and Working
Model Additional @ 25°C Working Interchangeability Temp for Best
Number Price (Ω) Temp @ 0 to 70°C Stability
44033 $11 2252 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44030 11 3000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44034 11 5000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44031 11 10,000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
44032 11 30,000 75°C (165°F) ±0.1°C -80 to 75°C (-110 to 165°F)
D-26
Tubular Thermistor Sensors
For Immersion Temperature Measurements
Dimensions: mm (in)
14.287
(9⁄16)
1
⁄8 NPT
114
(4.50)
1
3.2 (
⁄8) dia.
ON-410-PP, $70,
shown actual size.
D
ON-410-PP
$
70
⻬ Threaded Fitting
Provides 1⁄8 NPT Thread
for Installation in Pipes
or Closed Vessels
⻬ Can Be Used in Liquid
Immersion and
Pressurized Applications
⻬ Available in 5 Resistance
Values To Fit Your
Instrumentation Needs
⻬ Maximum Temperature
100°C (212°F)
⻬ 3 m (10') PVC Insulated
and Jacketed Cable with
Phone Plug Standard
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Model Resistance Interchangeability Max Cable Cable
Number Price @ 25°C @ 0 to 70°C Temp Length Termination
ON-410-PP $70 2252 Ω ±0.1°C 100°C (212°F) 3 m (10') Phone plug
Notes: For additional cable length, add required length (in inches) to end of the model number and $0.80/ft to the price.
Ordering Example: ON-410-PP, tubular immersion sensor, 2252 Ω resistance at 25°C, ±0.10°C interchangeability from 0 to 70°C
(32 to 158°F), supplied with 3 m (10') of PVC insulated and jacketed cable with a phone plug connector standard, $70.
Accessories
Model Number Price Description
CN1501-TH-1 $245 Controller with 240 Vac power
DP25-TH 245 Precision panel meter/controller
450-ATH 315 Handheld thermometer, thermistor input
HH41 425 Handheld thermistor thermometer
HH42 499 Handheld thermistor thermometer with RS232 communications
HH83 580 Thermometer/data logger
5831 990 Benchtop thermometer
OM-SQ2010 1500 Data logger
D-34
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