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PRODUCTS:
TEMPERATURE SENSORS, GAUGES
AND PROBES
Bristol Instruments carries several lines of temperature probes and sensors with platinum RTD, thermocouple and bimetal sensing elements. Please contact us with your application or specification and we can likely supply the temperature sensor or probe you require.
Pictured below are our thermometers for temperature measurement of liquids and gases, screw-in temperature sensors for industry applications, temperatures with clamps for food and beverage applications.
ST-20 Series
Stainless Steel Pt RTD Thermometers
Accuracy from ≤0.15°C (≤0.27°F)
(≤0.27 to ≤ 6.75°F)
See RTD Tolerance tables sheet for precise tolerance, depending on range.
ST-24 / ST-26
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ST-20 Series of RTD temperature sensors for low pressure applications including tanks, pipes, chemical and petrochemical.
| Model | ST-20 | ST-21 | ST-22 | ST-24 | ST-25 | ST-26 | |||
|---|---|---|---|---|---|---|---|---|---|
| Range | -58 to 752°F (-50°C to 400°C) | ||||||||
| Accuracy (°C) | ±(0.3+0.005•ABS[t]) | Class W 0.3 | ±(0.3+0.005•ABS[t]) | Class W 0.3 | |||||
| Replaceable element | Yes , element insert replaceable | ||||||||
| Extension | with extension tube | without extension tube | |||||||
| Sensor element | Pt 100 3-wire, 2 x. Pt 100 and/or 4-wire versions, option: Pt 1,000 | ||||||||
| Thermowell dia.(mm) | 9 x 1 | 6 x 1 | 9 x 1 | 9 x 1 | 6 x 1 | 9 x 1 | |||
| Fitting sizes | ½ NPT, G ½ B | ||||||||
Note on Accuracy: Thermometer models ST-20, ST-21, ST-24 and ST-25 are Accuracy Class F 0.3 (DIN EN 60 751) as shown in table.
Thermomerter models ST-22 and
ST-26 are Accuracy Class W 0.3 (DIN EN 60 751).
Accuracy for Class W 0.3 is calculated using the same formula as Class F 0.3 (°C):
Accuracy = ± (0.3 0.005 • ABS [t])
Where ABS [t] is the absolute value of the minimum or maximum range of your appication, whichever is the greater value.
Data Sheet
RTD Tolerance Tables
ST-30 Series
Screw-In Pt RTD Thermometers
Accuracy from ≤0.15°C (≤0.27°F)
(≤0.27 to ≤ 6.75°F)
See RTD Tolerance tables sheet for precise tolerance, depending on range.
ST-30 Series
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ST-30 Series of RTD temperature sensors for applications calling for a sensor designed to be screwed in. For applications including tanks, pipes, chemical and petrochemical—up to 580 psi.
| Model | ST-30 | ST-32 | ST-34 | ST-35 | ST-36 | ST-37 | |||
|---|---|---|---|---|---|---|---|---|---|
| Range | -58 to 302°F (-50°C to 150°C) | ||||||||
| Accuracy (°C) | ±(0.3+0.005•ABS[t]) | Class W 0.3 | ±(0.3+0.005•ABS[t]) | Class W 0.3 | |||||
| Wiring connection | with DIN plug connector | with circular connector | |||||||
| Insert dia.(mm) | 3.5* | 5* | 1.5 | 3.5* | 5* | 1.5 | |||
| Sensor element | 1x Pt 100 2,3 or 4-wire, 2 x Pt 100 2-wire versions, option: Pt 1,000 | ||||||||
| Ingress protection | IP 65 | IP 67 | |||||||
Note on Accuracy: Thermometer models ST-30, ST-32, ST-35 and ST-36 are Accuracy Class F 0.3 (DIN EN 60 751) as shown in table.
Thermomerter models ST-34 and
ST-37 are Accuracy Class W 0.3 (DIN EN 60 751).
Accuracy for Class W 0.3 is calculated using the same formula as Class F 0.3 (°C):
Accuracy = ± (0.3 0.005 • ABS [t])
Where ABS [t] is the absolute value of the minimum or maximum range of your appication, whichever is the greater value.
* Removable / exchangeable
Data Sheet
RTD Tolerance Tables
ST-40 Series
Screw-In Pt RTD Thermometers
with transmitter
Accuracy from ≤0.15°C (≤0.27°F)
(≤0.27 to ≤ 6.75°F)
See RTD Tolerance tables sheet for precise tolerance, depending on range.
ST-40 Series
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ST-40 Series of RTD temperature sensors with a built-in transmitter for applications calling for a sensor designed to be screwed in. For applications including tanks, pipes, chemical and petrochemical—up to 580 psi.
| Model | ST-40 | ST-42 | ST-4 | ST-45 | ST-46 | ST-47 | |||
|---|---|---|---|---|---|---|---|---|---|
| Range | -58 to 302°F (-50°C to 150°C) | ||||||||
| Accuracy (°C) | ±(0.3+0.005•ABS[t]) | Class W 0.3 | ±(0.3+0.005•ABS[t]) | Class W 0.3 | |||||
| Output | 4 to 20 mA, 2-wire or 0 to 10 V, 3-wire | ||||||||
| Wiring connection | with DIN plug connector | with circular connector | |||||||
| Sensor element | 1x Pt 100, 2-wire | ||||||||
| Insert dia.(mm) | 3.5* | 5* | 1.5 | 3.5* | 5* | 1.5 | |||
| Ingress protection | IP 65 | IP 67 | |||||||
Note on Accuracy: Thermometer models ST-40, ST-42, ST-45 and ST-46 are Accuracy Class F 0.3 (DIN EN 60 751) as shown in table.
Thermomerter models ST-44 and
ST-47 are Accuracy Class W 0.3 (DIN EN 60 751).
Accuracy for Class W 0.3 is calculated using the same formula as Class F 0.3 (°C):
Accuracy = ± (0.3 0.005 • ABS [t])
Where ABS [t] is the absolute value of the minimum or maximum range of your appication, whichever is the greater value.
* Removable / exchangeable
Data Sheet
RTD Tolerance Tables
ST-120 Series
Stainless Steel Thermocouple Thermometers
≤ ±1.5°C (≤ 2.7°F)
ST-120 / ST-130
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ST-120 Series of thermocouple temperature sensors for low pressure applications including industrial proudcts, tanks, pipes, chemical and petrochemical.
| Model | ST-120 | ST-130 | ||||||
|---|---|---|---|---|---|---|---|---|
| Range | -328 to 1,112°F (-200°C to 600°C) | |||||||
| Extension | with extension tube | without extension tube | ||||||
| Accuracy (°C) | Types J, K, N: ±0.1.5°C or 0.004 • ABS[ t ], Types B, R, S: ±1°C or 1+0.003 • ABS[t-1100°C], Type L: ≤ 0 °C: 0.45 K + 0.15 % • ABS[mV], ≥ 0 °C: 0.45 K + 0.045 % mV |
|||||||
| Measuring element | Type J (DIN 584) Type K (DIN 584) Type L (DIN 43710) Types S, T, E, N, R and B on request |
|||||||
| Thermowell dia.(mm) | 9 x 1 | |||||||
| Fitting sizes | ½ NPT, G ½ B | |||||||
Data Sheet
TB-10 Series
Bimetal Coil Thermometers
Accuracy ±2%
TB-10 Series
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TB-10 Series of temperature gauges for heating system and general use applications.
| Model | TB-10 63 | TB-10 80 | TB-10 100 | TB-10 160 |
|---|---|---|---|---|
| Face size (in mm) |
63 | 80 | 100 | 160 |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 320°F, 32 to 480°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C |
|||
| Accuracy | ±2.0% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request | |||
| Sensor element | Bimetal coil | |||
| Thermowell | Thermowell detachable with lateral screw SW 21, copper alloy | |||
| Stem | Cu alloy, 9 mm diameter | |||
| Protection | IP 41 | |||
Minimum order quabtity of 100 pieces for TB-10 Series with
°F scale.
Data Sheet
TB-14 Series
Bimetal Coil Thermometers
Accuracy ±2%
TB-14 Series
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TB-14 Series of temperature gauges for heating system and general use applications.
| Model | TB-14 63 | TB-14 80 | TB-14 100 | TB-14 160 |
|---|---|---|---|---|
| Face size (in mm) |
63 | 80 | 100 | 160 |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 320°F, 32 to 480°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C |
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| Accuracy | ±2.0% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request | |||
| Sensor element | Bimetal coil | |||
| Thermowell | Thermowell detachable with lateral screw SW 21, copper alloy | |||
| Stem | Cu alloy, 9 mm diameter | |||
| Protection | IP 41 | |||
Minimum order quabtity of 100 pieces for TB-14 Series with
°F scale.
Data Sheet
TB-20 Series
Bimetal Coil Thermometers
Accuracy ±1%
TB-20 Series
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TB-20 Series of temperature gauges for industrial machinery, manufacturing, container and pipe construction and general use applications.
| Model | TB-20 63 | TB-20 80 | TB-20 100 | TB-20 160 |
|---|---|---|---|---|
| Face size (in mm) |
63 | 80 | 100 | 160 |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 320°F, 32 to 480°F, 0 to 572°F, 0 to 750°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C, 0 to 300°C, 0 to 400°C |
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| Accuracy | ±1.0% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request | |||
| Sensor element | Bimetal coil | |||
| Connection | Plain with flange for thermowell, options: see T-190 Stems data sheet | |||
| Stem | Cu alloy, 8 mm diameter | |||
| Protection | IP 43 | |||
Minimum order quabtity of 100 pieces for TB-20 Series with
°F scale.
T-190 Stems Data Sheet
TB-20 Series Data Sheet
TB-24 Series
Bimetal Coil Thermometers
Accuracy ±1%
TB-24 Series
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TB-24 Series of temperature gauges for industrial machinery, manufacturing, container and pipe construction and general use applications.
| Model | TB-24 63 | TB-24 80 | TB-24 100 | TB-24 160 |
|---|---|---|---|---|
| Face size (in mm) |
63 | 80 | 100 | 160 |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 320°F, 32 to 480°F, 0 to 572°F, 0 to 750°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C, 0 to 300°C, 0 to 400°C |
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| Accuracy | ±1.0% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request | |||
| Sensor element | Bimetal coil | |||
| Connection | Plain with flange for thermowell, options: see T-190 Stems data sheet | |||
| Stem | Cu alloy, 8 mm diameter | |||
| Protection | IP 43 | |||
T-190 Stems Data Sheet
TB-24 Series Data Sheet
TB-30 Series
Stainless Steel Pt RTD Thermometers
Accuracy: see table
TB-30 Series
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TB-30 Series of temperature gauges for general use applications.
| Model | TB-30 63 | TB-30 80 | TB-30 100 | TB-30 160 | |
|---|---|---|---|---|---|
| Face size (in mm) |
63 | 80 | 100 | 160 | |
| Ranges | measuring ranges and media range limits see table below | ||||
| Accuracy | see table below | ||||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request | ||||
| Sensor element | see table below | ||||
| Stem | See T-190 Stems data sheet | ||||
| Protection | IP 41 | ||||
| Media Temperature range (°F) |
Measuring Temperature range (°F) |
Smallest subdivision (°F) |
Accuracy (to cl. 1) (±°F) |
Measuring systems (see descr.) |
|---|---|---|---|---|
| 0 to 150 | 20 to 130 | 2 | 1.8 | A |
| 0 to 200 | 20 to 180 | 5 | 3.6 | A |
| 0 to 250 | 20 to 230 | 5 | 3.6 | A |
| 0 to 300 | 40 to 260 | 5 | 3.6 | A |
| -50 to +130 | -30 to +110 | 2 | 1.8 | A |
| -40 to +160 | -20 to +140 | 5 | 3.6 | A |
| -30 to +120 | -10 to +100 | 2 | 1.8 | A |
| -10 to +100 | 10 to 80 | 2 | 1.8 | B |
| 20 to 240 | 40 to 220 | 5 | 3.6 | A |
| 30 to 140 | 50 to 120 | 2 | 1.8 | B |
| 40 to 400 | 80 to 360 | 5 | 3.6 | A |
| 50 to 300 | 70 to 280 | 5 | 3.6 | A |
| 50 to 500 | 100 to 450 | 5 | 4.5 | A |
| 80 to 800 | 170 to 710 | 10 | 9 | B |
| 100 to 800 | 150 to 750 | 10 | 9 | C |
| 100 to 1,000 | 100 to 910 | 10 | 9 | C |
| 150 to 700 | 200 to 650 | 10 | 9 | A |
Measuring system descriptions:
A bimetal and gas-actuated
B bimetal
C gas-actuated
T-190 Stems Data Sheet
TB-30 Series Data Sheet
TB-33 Series
Stainless Steel Pt RTD Thermometers
Accuracy ±1%
TB-33 Series
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TB-33 Series of temperature gauges for industrial products and general use applications. It features a fast response time and very good accuracy.
| Model | TB-33 80 | TB-33 100 | TB-33 160 | |
|---|---|---|---|---|
| Face size (in mm) |
80 | 100 | 160 | |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 32 to 140°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 320°F, 32 to 392°F, 32 to 480°F, 32 to 570°F, 32 to 750°F, 32 to 930°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C, 0 to 300°C, 0 to 400°C, 0 to 500°C, other range upon inquiry |
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| Accuracy | ±1% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250 mm, other lengths on request up 500 mm | |||
| Sensor element | Bimetal coil | |||
| Stem | See T-190 Stems data sheet | |||
| Protection | IP 41 | |||
T-190 Stems Data Sheet
TB-33 Series Data Sheet
TB-34 Series
Stainless Steel Bimetal Thermometers
Accuracy ±1%
TB-34 Series
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TB-34 Series of temperature gauges for industrial and general use applications.
| Model | TB-34 63 | TB-34 100 | TB-34 160 | |
|---|---|---|---|---|
| Face size (in mm) |
63 | 100 | 160 | |
| Ranges | Fahrenheit: -20 to +120°F, 0 to 140°F, 0 to 175°F, 32 to 140°F, 32 to 175°F 32 to 212°F, 32 to 245°F, 32 to 320°F, 32 to 390°F, 32 to 480°F, 32 to 930°F Celsius: -30 to +50°C, -20 to +60°C, -10 to +50°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 160°C, 0 to 200°C, 0 to 250°C, 0 to 300°C, 0 t o 400°C, 0 to 500°C |
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| Accuracy | ±1.0% of f.s. range | |||
| Stem length | 45, 63, 100, 150, 200, 250, 500 mm | |||
| Sensor element | Bimetal coil | |||
| Fitting size | See t 190 data sheet for options. | |||
| Protection | IP 43 or IP 65 | |||
Data Sheet
TG-30 Series
Stainless Steel Gas Thermometers
Accuracy ±1.0%
TG-30 Series
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TG-30 Series of thermomters for measuring gas temperatures. Applications include chemical and petrochemical industries, enery, industry and process applications.
| Model | TG-30 100 | TG-35 100 | TG-30 160 | TG-35 160 | |
|---|---|---|---|---|---|
| Ranges | Fahrenheit: -55 to +120°F, -20 to +120°F, -20 to +245°F, -20 to +335°F, 0 to 140°F, 0 to 175°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 300°F, 32 to 320°F, 32 to 570°F, 32 to 660°F, 32 to 750°F, 32 to 930°F, 32 to 1,110°F, 120 to 570°F, 120 to 750°F, 212 to 932°F, 212 to 1,112°F Celsius: -50 to +50°C, -30 to +50°C, -30 to +120°C, -30 to +170°C, -20 to +60°C, -20 to +80°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 150°C, 0 to 160°C, 0 to 200°C, 0 to 300°C, 0 to 350°C, 0 to 400°C, 0 to 500°C, 0 to 600°C, 50 to 300°C, 50 to 400°C, 100 to 500°C, 100 to 600°C |
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| Face size (in mm) |
100 | 160 | |||
| Accuracy | ±1.0% of f.s. range | ||||
| Fitting location | bottom | back, eccentric | bottom | back eccentric | |
| Stem length | 63, 100, 150, 200, 250, 300, 350, 400, 450, 500 mm, other lengths on request |
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| Sensor element | Gas pressure system with inert gas filling | ||||
| Connection | See T 290 data sheet for options. | ||||
| Max. pressure | 360 psi (25 bar) at shaft, without thermowell | ||||
| Protection | IP 55 | ||||
T 290 Stems
Data Sheet
TG-30 Series
Data Sheet
TG-32 Series
Stainless Steel Gas Thermometers with Capillary
Accuracy ±1.0%
TG-32 Series
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TG-32 Series of thermomters for measuring gas temperatures. Applications include chemical and petrochemical industries, enery, industry and process applications.
| Model | TG-32 100 | TG-37 100 | TG-32 160 | TG-37 160 | |
|---|---|---|---|---|---|
| Ranges | Fahrenheit: -55 to +120°F, -20 to +120°F, -20 to +245°F, -20 to +335°F, 0 to 140°F, 0 to 175°F, 32 to 100°F, 32 to 175°F, 32 to 212°F, 32 to 248°F, 32 to 300°F, 32 to 320°F, 32 to 570°F, 32 to 660°F, 32 to 750°F, 32 to 930°F, 32 to 1,110°F, 120 to 570°F, 120 to 750°F, 212 to 932°F, 212 to 1,112°F Celsius: -50 to +50°C, -30 to +50°C, -30 to +120°C, -30 to +170°C, -20 to +60°C, -20 to +80°C, -10 to +50°C, 0 to 40°C, 0 to 60°C, 0 to 80°C, 0 to 100°C, 0 to 120°C, 0 to 150°C, 0 to 160°C, 0 to 200°C, 0 to 300°C, 0 to 350°C, 0 to 400°C, 0 to 500°C, 0 to 600°C, 50 to 300°C, 50 to 400°C, 100 to 500°C, 100 to 600°C |
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| Face size (in mm) |
100 | 160 | |||
| Accuracy | ±1.0% of f.s. range | ||||
| Fitting location | bottom | back, eccentric | bottom | back eccentric | |
| Stem length | 63, 100, 150, 200, 250, 300, 350, 400, 450, 500 mm, other lengths on request |
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| Connection | See T 290 data sheet for options. | ||||
| Sensor element | Gas pressure system with inert gas filling | ||||
| Max. pressure | 360 psi (25 bar) at shaft, without thermowell | ||||
| Protection | IP 55 | ||||
T 290 Stems
Data Sheet
TG-32 Series
Data Sheet
Call Bristol Instruments on 877-866-8500 or email us for complete information including specifications or to discuss your application