
Tubular Thermistor Sensors
For Immersion Temperature Measurements
32 
(11⁄4)
27 
(11⁄8)
1
6.3 (
⁄4)
diameter
Dimensions: mm (in)
114 (41⁄2)
3.2 (1⁄8)
diameter
ON-403-PP, $70, 
shown actual size.
ON-403-PP
$
70
⻬ 300 Series Stainless Steel
Probe for Rugged-Duty 
Liquid Immersion Use
⻬ Probe is Immersible 
to End of Transition
⻬ Provided with 3 m (10') of
PVC Cable and Phone Plug 
Connector
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Model Resistance Interchangeability Cable
Number Price @ 25°C @ 0 to 70°C Termination
ON-403-PP $70  2252 Ω @ 25°C ±0.1°C 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 Examples: ON-403-PP, tubular stainless steel immersion thermistor sensor, 2252 Ω at 25°C, interchangeability is ±0.1°C, 
3 m (10') of PVC insulated and jacketed cable and phone plug connector, $70. 
ON-403-PP-240, tubular stainless steel immersion thermistor sensor, 2252 Ω at 25°C, interchangeability is ±0.1°C, 6 m (20') of PVC insulated
and jacketed cable with phone plug, $70 + (10 x $0.80) = $78.
Accessories
Model Number Price Description 
450-ATH $315 Handheld thermometer, thermistor input 
HH41 425 Handheld thermistor thermometer 
HH42 499 Handheld thermistor thermometer with RS232 communications 
SSLK-14-18 15
1
⁄4" tube OD, 1⁄8 NPT, 316 SS compression fitting
D-19

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