All Star Bimetal Thermometers

All-Star Bimetal thermometers are our top of the line mechanical bimetal thermometers, assembled in our Asheville, NC facility.  Available with 3 inch and 5 inch dials, with stems up to 60 inches long available.  Choose from °F, °C, or dual scale temperature ranges.

Description

Palmer All Star Bimetal Thermometers have the design, quality, and craftsmanship to make this model the industry standard for rugged reliability and accuracy.  Available in space saving 3 inch and easy reading 5 inch dial sizes, with Back Connected or All-Angle cases.  Add an adjustable union if desired (J models).

Form: All Angle, Fixed Back Connected, All Angle Adjustable Union, or Fixed Back Adjustable Union.
Case: Polished-Type 304 Stainless Steel Case and Bezel in 3 inch (76 mm) or 5 inch (127 mm) Size.
Stem: Polished-Type 304 Stainless Steel. All Welded.
Stem Length: Standard Stem Lengths up to 24 inches in length. Custom lengths up to 60 inches (152cm). 6 inch minimum stem length for Adjustable Union option.  Stem Lengths over 30 inches have a 3/8" supporting tube.
Fitting: 304 Stainless Steel. 7/8" Hex with 1/2" NPT Threads.
Dial Face: Black Graduations and Numerals on White Background.  Anti-parallax Dial Design with Linear Scale. High-Visibility Tapered-Tip Black Pointer.

Easy Reading: Dials are specially fabricated of low-glare finished metal using a deep draw design for anti-parallax alignment of pointer to graduation marks. High-visibility numerals and graduations also help minimize reading errors.

Lens: Instrument Quality Glass Standard. Optional Plexiglass or Shatter Proof Safety Glass.
Recalibration: Adjustable Pointer
Accuracy: 1% of Full Range

Fast Response: Superior heat transfer characteristics, fast response, and consistent repeatability are achieved through the use of a high-torque, low mass bimetal sensing element. Materials and design combine to convert the sensor’s movement quickly and accurately into a dial reading.

ASME B-40.3: Meets standards set by the American Society of Mechanical Engineers.

Element: Single Helix Bimetallic Coil Sensing Element, with silicone on coil, located in bottom 2-1/2 inches of thermometer stem.
Over-Range: Protected design allows temporary swings of up to 50% of Range.
Warranty: One Year Limited Warranty.

3A - 3 inch Dial Face, All-Angle connection.

3BC - 3 inch Dial Face, Back connection.

3ACJ - 3 inch Dial Face, All-Angle connection, adjustable union.

3BCJ - 3 inch Dial Face, Back connection, adjustable union.

5A - 5 inch Dial Face, All-Angle connection.

5BC - 5 inch Dial Face, Back connection.

5ACJ - 5 inch Dial Face, All-Angle connection, adjustable union.

5BCJ - 5 inch Dial Face, Back connection, adjustable union.

Specifications

Case Style

All Angle Connection
All Angle Connection, Adjustable Union
Fixed Back Connection
Fixed Back Connection, Adjustable Union

Case

Polished-Type 316 Stainless Steel Case and Bezel in 3" (76 mm) or 5" (127 mm) Size.

Element

Single Helix Bimetallic Coil Sensing Element, with silicone gel coated coil for ranges below 500°F, located in bottom 2-1/2 inches of thermometer stem.

Dial Face

Black Graduations and Numerals on White Background. Anti-parallax Dial Design with Linear Scale. High-Visibility Tapered-Tip Black Pointer.

Lens

Instrument Quality Glass Cover (Optional Plexiglass or Shatter Proof Safety Glass available)

Fitting

304 Stainless Steel. 7/8 inch Hex with 1/2 inch NPT Threads. (Optional 316SS & other fittings available)

Stem

Polished-Type 304 Stainless Steel. All Welded. (Optional 316SS available.)

Stem Length

Standard lengths available up to 24 inches (6" minimum stem length for adjustable union models).
Custom lengths up to 60 inches available upon request (Stem lengths over 30" have 3/8" support tubing).

Temperature Ranges

Fahrenheit Ranges:
-100° to 100°F, 2° Divisions
-40° to 120°F, 1° Divisions
0° to 200°F, 2° Divisions
0° to 250°F, 2° Divisions
25° to 125°F, 1° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection)
50° to 300°F, 2° Divisions
50° to 400°F, 5° Divisions
50° to 500°F, 5° Divisions
150° to 750°F, 5° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection)
200° to 1000°F, 10° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection. Recommended for continuous service up to 800°F. Can be used for intermittent service up to 1000°F)

Celsius Ranges:
-50° to 50°C, 1° Divisions
-50° to 100°C, 1° Divisions
-20° to 120°C, 1° Divisions
0° to 50°C, 0.5° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection)
0° to 100°C, 1° Divisions
0° to 150°C, 1° Divisions
0° to 200°C, 2° Divisions
0° to 300°C, 5° Divisions
100° to 400°C, 5° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection)
100° to 500°C, 5° Divisions (minimum stem length of 4 inches for all-angle connection, and 6 inches for back connection. Recommended for continuous service up to 427°C. Can be used for intermittent service up to 500°C)

Dual Ranges (5" case size only):
0° to 200°F / -15° to 90°C, 2°F / 1°C Divisions
0° to 250°F / -20° to 120°C, 2°F / 1°C Divisions
50° to 300°F / 10° to 150°C, 2°F / 1°C Divisions
50° to 400°F / 10° to 200°C, 5°F / 2°C Divisions
50° to 500°F / 10° to 260°C, 5°F / 2°C Divisions
150° to 750°F / 65° to 400°C, 10°F / 5°C Divisions
200° to 1000°F / 100° to 540°C, 10°F / 5°C Divisions

Options

Glycerin Fill
316SS Fitting & Stem (for All Angle Stem Lengths over 12", call customer service)
Plexiglass Cover
Shatter Proof Safety Glass Cover
1/4 inch NPT Fixed Thread Fitting (not available with adjustable union)
3/8 inch NPT Fixed Thread Fitting (not available with adjustable union)
7/8 inch -22 Swivel Nut Fitting (not available with adjustable union)
1/2 inch NPSM Union Swivel Nut (not available with adjustable union)
3/8 inch diameter stem with pointed tip (not available with adjustable union)

Warranty

One Year Limited Warranty covers defects in materials and workmanship.

Over-Range

Protected design allows temporary swings of up to 50% of range without permanent damage to thermometer.

Accuracy

ASME B-40.3 Grade A, ± 1% of Full Scale. Ambient temperature changes at the case will not affect accuracy.

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