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  • Heavy-duty, industrial thermometer featuring a weather-resistant, tamper-proof case
  • ± 1-3/4", 2", 3" and 5" sizes - center back connection only
  • 304 Stainless Steel case and bezel
  • Highly sensitive bimetallic helix coil is heat-treated for stress relief, and silicone-coated to minimize pointer vibration and maximize heat transfer and response time
  • 360º groove around stem is a visual reference to show minimum immersion point
  • Made in the U.S.A.
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Unit of Measure
Items 100-Series-Bimetal-Thermometer-Group.jpg
18-110-025-0/180-F/C
1-3/4" Bimetal, 1/4" National Pipe Thread (NPT) Back Connection Thermometer
100-Series-Bimetal-Thermometer-Group.jpg
18-110-025-0/200-F
1-3/4" Bimetal, 1/4" National Pipe Thread (NPT) Back Connection Thermometer
100-Series-Bimetal-Thermometer-Group.jpg
18-110-060-50/500-F
1-3/4" Bimetal, 1/4" National Pipe Thread (NPT) Back Connection, 6" Stem Length, 50/500 ºF, 0.150" Diameter Thermometer
100-Series-Bimetal-Thermometer-Group.jpg
20-110-025-0/140-F/C
2" Bimetal, 1/4" National Pipe Thread (NPT) Back Connection, 2.5" Stem Length, 0/140 ºF/ºC, 0.250" Diameter Thermometer
100-Series-Bimetal-Thermometer-Group.jpg
20-110-025-0/200-C-1/2
2" Bimetal, 1/2" National Pipe Thread (NPT) Back Connection, 2.5" Stem Length, 0/200 C, 0.250" Diameter Thermometer
Type N/A Bimetal Thermometer
Series N/A 100
Case and Bezel Material N/A 304 Stainless Steel
Temperature Range [Min] N/A 0 ºF N/A 0 ºF N/A 0 ºF N/A 0 ºF N/A
Temperature Range [Max] N/A 180 ºF N/A 200 ºF N/A 500 ºF N/A 140 ºF N/A
Full Scale Accuracy (±) N/A 1.0 %
Accuracy Grade N/A A
Accuracy Standard N/A American Society of Mechanical Engineers (ASME) B40.3
Connection Size N/A 1/4 in1/8 in3/8 in N/A 1/4 in1/8 in3/8 in N/A 1/4 in1/8 in3/8 in N/A 1/4 in N/A 1/2 in
Lens N/A Instrument Glass
Dial Size N/A 1-3/4 in N/A 1-3/4 in N/A 1-3/4 in N/A 2 in N/A 2 in
Case Type N/A Back Connection
Temperature Scale N/A Dual N/A Single N/A Single N/A Dual N/A Single
Connection Type N/A National Pipe Thread (NPT)
Pointer N/A Aluminum, Black Finished
Dial N/A Anodized Aluminum with large black numbers and graduations
Wetted Parts Material N/A 304 Stainless Steel
Optional Wetted Parts Material N/A 316 Stainless Steel
Optional Case and Bezel Material N/A 316 Stainless Steel
Hermetic Seal N/A Per American Society of Mechanical Engineers (ASME) B40.3 dustproof and leakproof
Bimetal Coil N/A Silicone coated helix coil on ranges below 500 ºF for vibration dampening, maximum heat transfer and response time
Warranty N/A 1 y
Limits Over Temperature at 100 Percentage N/A Up to 250 ºF
Limits Over Temperature at 50 Percentage N/A 250 to 500 ºF
Limits Over Temperature at Continuous Use Up to 800 ºF N/A 550 to 1,000 ºF
Limits Over Temperature at Intermittent Use Over 800 ºF N/A 550 to 1,000 ºF
Stem Lengths N/A 2.5 in N/A 2.5 in N/A 6 in N/A 2.5 in N/A 2.5 in
Stem Diameter N/A 0.150 in3.81 mm N/A 0.150 in3.81 mm N/A 0.150 in3.81 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
Application N/A
  • Used in almost every area of manufacturing, especially suited for applications in the following areas:
    • Industrial process
    • Petrochemical
    • Food & beverage processing
    • Commercial
    • Wastewater
Options and Accessories N/A
  • 1/8" NPT, Available
  • 3/8" NPT, Available
  • Acrylic Lens (PL)
  • Certificate of Conformance
  • Mounting Brackets - Consult Factory
  • Stainless Steel Tagging (ST)
  • Tempered Glass Lens
N/A
  • 1/8" NPT, Available
  • 3/8" NPT, Available
  • Acrylic Lens (PL)
  • Polycarbonate Lens (LL)
  • Certificate of Conformance
  • Mounting Brackets - Consult Factory
  • Stainless Steel Tagging (ST)
  • Tempered Glass Lens
N/A
  • 1/8" NPT, Available
  • 3/8" NPT, Available
  • Certificate of Conformance
  • Mounting Brackets - Consult Factory
  • Stainless Steel Tagging (ST)
  • Tempered Glass Lens
N/A
  • Acrylic Lens (PL)
  • Certificate of Conformance
  • Mounting Brackets - Consult Factory
  • Stainless Steel Tagging (ST)
  • Tempered Glass Lens
N/A
  • Certificate of Conformance
  • Mounting Brackets - Consult Factory
  • Stainless Steel Tagging (ST)
  • Tempered Glass Lens
Options N/A
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
1/2" NPT Adjustable Union (AU) N/A
100 Series Bimetal Thermometer Silicone Filled (SL) N/A
  • Available for 20-110, 30-110 and 50-110 models only
  • Available only for ranges from -50 ºF (-45 ºC) to 500 ºF (260 ºC)
  • For applications where severe vibration may be a factor
  • Silicone dampens and lubricates the internal mechanism thus reducing pointer oscillation and premature wear
  • Maximum case temperature not to exceed 300 ºF (150 ºC)
  • Polycarbonate lens is standard with Silicone Fill
Mounting Flanges - Bimetal Thermometers N/A Various sizes and types of mounting flanges are available
Special Dials - Bimetal Thermometers N/A Special ranges and dials with company names, company logos, part numbers, telephone numbers, or almost any custom layout is available
Certified Calibration N/A
  • Certified calibration provides the user with a serial numbered thermometer along with a calibration sheet against a primary temperature standard
  • Traceable to the National Institute of Standards and Technology
Stem Types N/A
  • The 304 Series Stainless Steel stem is welded at the tip and case for hermetic seal
  • 1/4" (6.35 mm) diameter is standard for lengths up to 24" (609 mm)
  • 3/8" diameter, sharp tip options and optional 316SS wetted parts are also available
Thermowells N/A Thermowells allow a temperature instrument to be removed and replaced without shutting down and draining the process, and reduce the possibility of damage to the temperature instrument.
Related Items N/A
Note N/A Thermowells are recommended for pressure, corrosive fluids and high velocity applications.
Stock N/A Yes