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Thermistor
Thermistors provide accurate, stable temperature measurement across HVAC, appliance, electronics, and general process applications. Common options include 10K NTC thermistors, high-temperature designs, miniature elements, fast-response styles, and NTC thermistor probes or sensors used for precise low- to moderate-temperature monitoring. These dependable components integrate easily into new or existing systems, delivering consistent performance wherever reliable thermal control is required.
Ready to learn more? Explore DwyerOmegas' blog for guidance on choosing the right thermistor for your application.
Ready to learn more? Explore DwyerOmegas' blog for guidance on choosing the right thermistor for your application.
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Sensors available with metal or plastic cages, stripped leads and PVC or PFA cable insulation. 5 resistance curves available. Ideal for laboratory and laminar flow systems.
| Numéro de produit | Accuracy | Cable Length | Nominal Resistance | Sheath Material |
|---|---|---|---|---|
|
|
± 0.1 °C (± 0.18 °F)
|
12 in
|
10000 Ω
|
300 Series Stainess Steel
|
|
|
± 0.2 °C (± 0.36 °F)
|
12 in
|
3000 Ω
|
300 Series Stainess Steel
|
|
|
± 0.2 °C (± 0.36 °F)
|
12 in
|
10000 Ω
|
300 Series Stainess Steel
|
Epoxy encapsulated thermistors with tinned copper leads. Various resistances and accuracies available.
| Numéro de produit | Nominal Resistance | Process Temperature, Max |
|---|---|---|
|
|
3000 Ω
|
150 °C
|
|
|
2252 Ω
|
150 °C
|
|
|
10000 Ω
|
150 °C
|
|
|
5000 Ω
|
150 °C
|
|
|
30000 Ω
|
150 °C
|
Family of linear thermistor sensors with lead wire including cable, surface, air, and immersion probe styles. All come with resistor sets to linearize the output.
| Numéro de produit | Probe Diameter | Probe Length | Process Connection Type | Sheath Material | Temperature Probe Style |
|---|---|---|---|---|---|
|
|
0.125 in
|
4.5 in
|
None
|
304 Stainless Steel
|
Immersion Probe
|
|
|
0.5 in
|
1.25 in
|
NPT Male
|
304 Stainless Steel
|
Air Probe
|
|
|
0.125 in
|
4.5 in
|
NPT Male
|
304 Stainless Steel
|
Surface Probe
|
|
|
0.125 in
|
4.5 in
|
NPT Male
|
304 Stainless Steel
|
Immersion Probe
|
General use, straight thermistor probes can be used as-is or adapted with mounting accessories. Multiple resistances and accuracies available. Probes have extension cables.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Probe Diameter | Probe Length | Process Temperature, Max |
|---|---|---|---|---|---|---|
|
|
40 in
|
Stripped Leads
|
10000 Ω
|
0.25 in
|
2 in
|
150 °C
|
|
|
1 m
|
Stripped Leads
|
10000 Ω
|
6 mm
|
100 mm
|
150 °C
|
|
|
120 in
|
Stripped Leads
|
10000 Ω
|
0.25 in
|
4 in
|
150 °C
|
Quick Ship
Small diameter sensor allows for use in tight spaces, hermetically sealed and available in three resistances and standard lengths.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance |
|---|---|---|---|
|
|
40 in
|
1/4 inch TS Plug
|
2252 Ω
|
|
|
40 in
|
Stripped Leads
|
10000 Ω
|
|
|
80 in
|
Stripped Leads
|
10000 Ω
|
|
|
1 m
|
Stripped Leads
|
2252 Ω
|
|
|
3 m
|
Stripped Leads
|
2252 Ω
|
Configurable thermistor probes for immersion applications with 316 SS sheath, strain relief spring and PFA extension cable. Available with selection of resistances and sizes.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Probe Diameter | Probe Length | Process Temperature, Max |
|---|---|---|---|---|---|---|
|
|
40 in
|
Stripped Leads
|
2252 Ω
|
0.125 in
|
6 in
|
150 °C
|
|
|
1 m
|
Stripped Leads
|
2252 Ω
|
6 mm
|
300 mm
|
150 °C
|
|
|
40 in
|
Stripped Leads
|
2252 Ω
|
0.1875 in
|
12 in
|
150 °C
|
Thermistor probes with 1/8" NPT mounting threads for liquid immersion and pressurized applications. Five resistances and two accuracies available.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Probe Diameter | Probe Length | Process Temperature, Max |
|---|---|---|---|---|---|---|
|
|
120 in
|
Stripped Leads
|
2252 Ω
|
0.1563 in
|
4.5 in
|
100 °C
|
Contains a dual element thermistor sensor with a series and a parallel resistor to linearize the thermistor output.
| Numéro de produit | Process Temperature, Max | Process Temperature, Min | Temperature Sensor Type | Thermistor Current |
|---|---|---|---|---|
|
|
100 °C
|
0 °C
|
Thermistor
|
N/A
|
|
|
45 °C
|
-5 °C
|
Linear Components
|
max 625 µA
|
|
|
50 °C
|
-30 °C
|
Linear Components
|
max 475 µA
|
|
|
45 °C
|
-5 °C
|
Linear Components
|
N/A
|
Bolt-on or bolt-mount Thermistor sensors encapsulated in a small stainless steel #8-32 or M4 threaded housing. Ideal for bolting to objects to measure temperatures up to 100°C.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Process Connection Size | Storage Temperature, Max |
|---|---|---|---|---|---|
|
|
12 in
|
Stripped Leads
|
5000 Ω
|
#8
|
100 °C
|
|
|
12 in
|
Stripped Leads
|
30000 Ω
|
#8
|
75 °C
|
|
|
12 in
|
Stripped Leads
|
2252 Ω
|
#8
|
75 °C
|
|
|
12 in
|
Stripped Leads
|
10000 Ω
|
N/A
|
75 °C
|
|
|
12 in
|
Stripped Leads
|
5000 Ω
|
N/A
|
75 °C
|
Thermistor probes available in immersion, penetration and air probe styles. Quick disconnect design intended for use with handles with retractable cable.
| Numéro de produit | Probe Diameter | Probe Length | Temperature Probe Style |
|---|---|---|---|
|
|
0.125 in
|
5 in
|
General Purpose Probe
|
|
|
0.125 in
|
8 in
|
General Purpose Probe
|
Epoxy encapsulated thermistors in small stainless steel disc-shaped housings ideal for measuring surface temperatures up to 100°C. Glue, epoxy, or cement onto a flat surface.
| Numéro de produit | Accuracy | Cable Length | Nominal Resistance |
|---|---|---|---|
|
|
± 0.2 °C (± 0.36 °F)
|
12 in
|
2252 Ω
|
Thermistor sensors great for installing into pipes or limited space applications. 1/8" or 1/4" NPT mounting threads available with 72" of Stainless Steel overbraid cable.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Process Connection Size | Process Temperature, Max |
|---|---|---|---|---|---|
|
|
80 in
|
Stripped Leads
|
2252 Ω
|
1/4 in
|
150 °C
|
|
|
80 in
|
Stripped Leads
|
2252 Ω
|
1/8 in
|
150 °C
|
|
|
240 in
|
Stripped Leads
|
10000 Ω
|
1/4 in
|
75 °C
|
Surface sensers with aluminum housing for fast transfer of heat to the sensing element. Choice of 2252, 3000, 5000, 10,000 or 30,000 ohm thermistor element.
| Numéro de produit | Accuracy | Cable Length | Electrical Connection | Nominal Resistance | Screw Size |
|---|---|---|---|---|---|
|
|
± 0.2 °C (± 0.36 °F)
|
40 in
|
Stripped Leads
|
5000 Ω
|
#3, #4
|
|
|
± 0.2 °C (± 0.36 °F)
|
40 in
|
Stripped Leads
|
2252 Ω
|
#3, #4
|
|
|
± 0.2 °C (± 0.36 °F)
|
40 in
|
Stripped Leads
|
3000 Ω
|
#3, #4
|
|
|
± 0.2 °C (± 0.36 °F)
|
72 in
|
Stripped Leads
|
3000 Ω
|
#3, #4
|
|
|
± 0.2 °C (± 0.36 °F)
|
40 in
|
Stripped Leads
|
10000 Ω
|
#3, #4
|
Can be used for surface measurements or as part of a larger assembly. These sensors are comprised of a thermistor, cable and insulated connections.
| Numéro de produit | Cable Length | Electrical Connection | Nominal Resistance | Process Temperature, Max |
|---|---|---|---|---|
|
|
40 in
|
Stripped Leads
|
5000 Ω
|
150 °C
|
|
|
40 in
|
Stripped Leads
|
2252 Ω
|
150 °C
|
|
|
40 in
|
Stripped Leads
|
10000 Ω
|
150 °C
|
|
|
40 in
|
Stripped Leads
|
30000 Ω
|
150 °C
|
|
|
40 in
|
Stripped Leads
|
3000 Ω
|
75 °C
|
Family of thermistor sensors including wire, immersion probe, air and surface sensing styles. Five resistances and two accuracies available.
| Numéro de produit | Probe Diameter | Probe Length | Sheath Material | Tip Diameter |
|---|---|---|---|---|
|
|
0 in
|
0 in
|
Stainless Steel
|
0.44 in
|
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