Mount Type Mount Type | Show |
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Mount Type Mount Type | Hide |
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System of Measurement System of Measurement |
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Indicator Style Indicator Style |
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 | Lever |
Display Type Display Type |
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 | Dial |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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For Use With For Use With |
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Environment Environment |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Connection Location Connection Location |
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 | Back |
Thermometer Type Thermometer Type |
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 | Direct Reading |
Stem Material Stem Material |
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Housing Material Housing Material |
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Flange Material Flange Material |
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Material Material |
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About Selecting Temperature Sensors
More
Starrett Last Word Dial Lever-Style Variance Indicators
Half the dial face is white and the other half is yellow to make measurements easier to read. Also known as test indicators, these have a lever-style contact point that pivots as it comes into contact with a surface and a balanced dial with positive values on one side and negative values on the other side. They have highly sensitive, wear-resistant jeweled bearings for a long service life. Rotate the dial face for viewing at multiple angles. The ratcheting contact point can be adjusted to various angles.
Sights for Quick-Clamp Sanitary Tube Fittings
Gasket, Quick-Clamp Fitting, And
Tube Fitting (All Sold Separately)
Monitor food, brewery, chemical, pharmaceutical, and biotech processing lines with these sights that attach to quick-clamp fittings for fast installation and easy removal for cleaning. All have a one-piece design, so there are no crevices where bacteria can grow. A
Sights that are made entirely of plastic have a shatter-resistant window.
304 stainless steel sights have a ring that's embedded around their shatter-resistant plastic window. This design protects the sights from chipping or cracking while under the stress of the quick-clamp fitting. All withstand harsh cleaners and sanitizers for clean-in-place (CIP) and steam-in-place (SIP) applications. They do not contain Bisphenol A (BPA), Bisphenol B (BPB), or BPA derivatives (BPX), which are chemicals that can contaminate your process lines. All meet ASME BPE design standards for bioprocessing equipment that ensure purity and safety.
For superior strength and reliability, choose 2205 stainless steel sights. All have a glass window that’s melted around a high-strength ring, so they won’t shatter, leak, or lose their shape under high pressure, heat, chemicals, or impact. They withstand harsh cleaners and sanitizers for clean-in-place (CIP) and steam-in-place (SIP) applications. USP Class VI and TUV Rheinland Certified, these sights meet safety standards in the U.S. and Europe. They also meet DIN standards for glass materials used in sights, ASTM standards for materials used in boilers and pressure vessels, and ASME BPE design standards for bioprocessing equipment that ensure purity and safety.
For technical drawings and 3-D models, click on a part number.
Temp. Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | For Flange OD | Window Dia. | Max. Pressure | Min. | Max. | For Use With | Features | Specifications Met | Each | |
Plastic Ring with Plastic Window | ||||||||||
| 1", 1 1/2" | 1.984" | 1 1/4" | 250 psi @ 70° F | 30° | 200° | Water | One-Piece Construction | __ | 000000 | 000000 |
| 2" | 2.515" | 1 3/4" | 225 psi @ 70° F | 30° | 200° | Water | One-Piece Construction | __ | 000000 | 00000 |
| 2 1/2" | 3.047" | 2 1/2" | 200 psi @ 70° F | 30° | 200° | Water | One-Piece Construction | __ | 000000 | 00000 |
| 3" | 3.579" | 2 3/4" | 175 psi @ 70° F | 30° | 200° | Water | One-Piece Construction | __ | 000000 | 00000 |
| 4" | 4.682" | 3 1/2" | 100 psi @ 70° F | 30° | 200° | Water | One-Piece Construction | __ | 000000 | 00000 |
304 Stainless Steel Ring with Plastic Window | ||||||||||
| 1" | 1.98" | 1 1/4" | 150 psi @ 70° F | Not Rated | 200° | Water, Acetic Acid, Air, Alcohol-Based Solvents, Compressed Air, Salt Water, Steam | One-Piece Construction | ASME BPE | 0000000 | 000000 |
| 2" | 2.52" | 1 3/4" | 150 psi @ 70° F | Not Rated | 200° | Water, Acetic Acid, Air, Alcohol-Based Solvents, Compressed Air, Salt Water, Steam | One-Piece Construction | ASME BPE | 0000000 | 000000 |
| 3" | 3.58" | 2 3/8" | 60 psi @ 70° F | Not Rated | 200° | Water, Acetic Acid, Air, Alcohol-Based Solvents, Compressed Air, Salt Water, Steam | One-Piece Construction | ASME BPE | 0000000 | 000000 |
| 4" | 4.68" | 3 1/4" | 30 psi @ 70° F | Not Rated | 200° | Water, Acetic Acid, Air, Alcohol-Based Solvents, Compressed Air, Salt Water, Steam | One-Piece Construction | ASME BPE | 0000000 | 000000 |
2205 Stainless Steel Ring with Glass Window | ||||||||||
| 1", 1 1/2" | 1.98" | 1" | 230 psi @ 70° F | -40° | 500° | Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam | One-Piece Construction | ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Rheinland Certified, USP Class VI | 0000000 | 000000 |
| 2" | 2.52" | 1 3/16" | 230 psi @ 70° F | -40° | 500° | Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam | One-Piece Construction | ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Rheinland Certified, USP Class VI | 0000000 | 000000 |
| 3" | 3.58" | 1 1/2" | 150 psi @ 70° F | -40° | 500° | Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam | One-Piece Construction | ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Rheinland Certified, USP Class VI | 0000000 | 000000 |
| 4" | 4.68" | 2 3/16" | 150 psi @ 70° F | -40° | 500° | Water, Hydraulic Fluid, Diesel Fuel, Acetic Acid, Air, Alcohol-Based Solvents, Beverage, Chemicals, Compressed Air, Food, Fuel Oil, Gasoline, Inert Gas, Ketone, Oil, Salt Water, Steam | One-Piece Construction | ASME BPE, ASTM A479, DIN 7079, DIN 7080, TUV Rheinland Certified, USP Class VI | 0000000 | 000000 |
High-Vacuum Sights for Quick-Clamp Fittings
Designed with quick-clamp (KF) connections, these sights connect to a port on a high-vacuum chamber, so you can monitor what's happening inside. A sleeve seals the glass window to the body of the sight to prevent leaks. To connect to your chamber, you'll need a clamp and a ring (sold separately). Not for use in pressure applications.
For technical drawings and 3-D models, click on a part number.
Window | ||||||||
|---|---|---|---|---|---|---|---|---|
| High-Vacuum Flange Size | For Flange OD | High Vacuum Connection Type | Max. Vacuum | Dia. | Material | Max. Temp., °F | Each | |
304 Stainless Steel | ||||||||
| 16 | 1.18" | ISO-KF | 1 × 10 -9 torr @ 72° F | 5/8" | Glass | 660° | 0000000 | 0000000 |
| 25 | 1.57" | ISO-KF | 1 × 10 -9 torr @ 72° F | 5/8" | Glass | 660° | 0000000 | 000000 |
| 40 | 2.16" | ISO-KF | 1 × 10 -9 torr @ 72° F | 1 1/4" | Glass | 660° | 0000000 | 000000 |
| 50 | 2.95" | ISO-KF | 1 × 10 -9 torr @ 72° F | 1 1/4" | Glass | 660° | 0000000 | 000000 |
| For High-Vacuum Flange Size | For Flange OD | For Tube OD | Material | Max. Vacuum | High Vacuum Connection Type | Each | |
| 10, 16 | 1.18" | 1/2", 3/4" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 00000000 | 00000 |
| 25 | 1.57" | 1" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
| 40 | 2.16" | 1 1/2" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
| 50 | 2.95" | 2" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
| For High-Vacuum Flange Size | For Flange OD | For Tube OD | Inner Ring Material | Max. Vacuum | High Vacuum Connection Type | Each | |
| 16 | 1.18" | 3/4" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 00000000 | 00000 |
| 25 | 1.57" | 1" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 0000 |
| 40 | 2.16" | 1 1/2" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
| 50 | 2.95" | 2" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
Food and Beverage Thermometers with Sanitary Quick-Clamp Connection
For dairy, food, and beverage applications that require frequent cleaning, these 3-A certified thermometers have a sanitary quick-clamp connection for easy removal.
For technical drawings and 3-D models, click on a part number.
Available Temperature Ranges | ||
|---|---|---|
| Temperature Range | Graduation Marks | Accuracy |
| -40° to 120° F | 1° F | ±1% |
| 0° to 200° F | 2° F | ±1% |
| 0° to 250° F | 2° F | ±1% |
| 50° to 300° F | 2° F | ±1% |
| 0° to 100° C | 1° C | ±1% |
| 0° to 150° C | 1° C | ±1% |
Stem | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Dial Dia. | For Tube OD | Flange OD | Housing | Stem | Lens | Flange | Specifications Met | Each | |
Back Connection | |||||||||||
| 2 1/2" | 5/16" | 3" | 1 1/2" | 1.984" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 0000000 |
| 2 1/2" | 5/16" | 3" | 2" | 2.516" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 2 1/2" | 5/16" | 5" | 1 1/2" | 1.984" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 2 1/2" | 5/16" | 5" | 2" | 2.516" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 4 1/2" | 5/16" | 3" | 1 1/2" | 1.984" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 4 1/2" | 5/16" | 3" | 2" | 2.516" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 4 1/2" | 5/16" | 5" | 1 1/2" | 1.984" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
| 4 1/2" | 5/16" | 5" | 2" | 2.516" | Stainless Steel | Stainless Steel | Acrylic | Stainless Steel | 3-A Certified 74-07 | 00000000 | 000000 |
Sanitary RTD Probe Transmitters with Digital Display
Check the temperature of liquids in hygienic applications such as food or pharmaceutical lines and tanks. Certified by 3-A to meet sanitary design standards, the parts of these probes that will touch liquid are highly polished to minimize spots where bacteria could grow. They're rated IP67 and IP69K, so they'll withstand temporary submersion as well as the high-pressure, high-temperature washdowns that are common in hygienic cleaning practices. Made of stainless steel, harsh cleaners and sanitizers won't cause them to corrode. They have a flange that will connect to sanitary quick-clamp fittings (also known as tri-clamp fittings); they're easy to connect and remove from your line.
Program these probes with the touch screen, and select one of three colors as a visual alert for events in your process such as irregular or fluctuating temperatures. The head swivels 345° and the face rotates all the way around, so you can mount the sensor at any angle and still see the display. To trigger actions in your process line, connect these probes to remote displays, programmable logic controllers (PLCs), and other control equipment with the M12 plug. These probes meet DIN EN 60751, an industry standard for accuracy. They’re also CE marked, meaning they meet European Union safety standards.
For technical drawings and 3-D models, click on a part number.
Probe | Probe Transmitters | Cables with Socket | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RTD Type | Temperature Range, °F | Lg. | Dia. | Flange OD | Accuracy | Response Time, sec. | Plug Type | DC Voltage | Max. Pressure, psi | Output Current | Overall Lg. | Each | Each | ||
316L Stainless Steel Probe with 304 Stainless Steel Head (IP67, IP69K) | |||||||||||||||
For 1 1/2" Tube OD | |||||||||||||||
| 100 ohms | -55° to 480° | 2" | 5/16" | 1.988" | ±0.1% | 25 | 5-Pole Micro M12 | 8-35 | 580 | 4-20mA | 6 3/4" | 0000000 | 0000000 | 0000000 | 000000 |
Quick-Connect Thermocouple Probes for Surfaces
The probe tips come attached to mounting connections for fast installation.
Note: When installing probes with wire leads, the red wire is negative.
Hose-clamp and hook-and-loop probes fit around pipes, tubes, and cylindrical containers.
| Thermocouple Type | Temperature Range, ° F | Opening Range | Accuracy | Response Time, sec. | Cable Lg., ft. | Connection Type | Sensor Type | Cable Material | Max. Cable Temperature, ° F | Pin Lg. | Wd. | Fasteners Included | Each | |
301 Stainless Steel Probe | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J | 32° to 250° | 11/16" - 1 1/4" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 000000 |
| J | 32° to 250° | 13/16" - 1 1/2" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 00000 |
| J | 32° to 250° | 1 5/16" - 2 1/4" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 00000 |
| K | 32° to 250° | 11/16" - 1 1/4" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 00000 |
| K | 32° to 250° | 13/16" - 1 1/2" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 00000 |
| K | 32° to 250° | 1 5/16" - 2 1/4" | ±0.75% | 25 | 10 | Flat Pin | Grounded | Stainless Steel | 950° | 1/2" | 9/16" | Yes | 000000000 | 00000 |
Sanitary RTD Probes
Designed for clean-in-place applications such as dairy processing and food-preparation areas, these 3-A certified RTDs have a sanitary quick-clamp connection for easy removal.
For technical drawings and 3-D models, click on a part number.
Probe | Conduit Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RTD Type | Temperature Range, °F | Lg. | Dia. | Flange OD | Accuracy | Response Time, sec. | Connection Type | Pipe Size | Thread Type | Gender | Overall Lg. | Each | |
316 Stainless Steel Probe with Plastic Head | |||||||||||||
For 1 1/2" Tube OD | |||||||||||||
| 100 ohms | -325° to 400° | 4" | 1/4" | 1.984" | ±0.1% | 5 | Screw Terminal | 3/4 | NPT | Female | 11" | 0000000 | 0000000 |
For 2" Tube OD | |||||||||||||
| 100 ohms | -325° to 400° | 4" | 1/4" | 2.516" | ±0.1% | 5 | Screw Terminal | 3/4 | NPT | Female | 11" | 0000000 | 000000 |