Temperature Measurement

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Home | Bimetal Thermometers | 300 Series Instrument Type Bimetal Thermometers

 

300 Series Instrument Type Bimetal Thermometers

 

3 Year Warranty

  • Highest quality thermometers available on the market
  • Corrosion-resistant 304 stainless steel case and bezel provide a hermetic seal to prevent lens fogging and moisture damage
  • Temperature ranges from -100 °F to 150 °F through 200 °F to 1,000 °F, single and dual scales available
  • Accuracy: ±1% full scale, Grade A, ASME B40.3
  • 3" and 5" sizes - center back and bottom connections
  • Adjustable angle connection on 30-320 and 50-320 models
  • 1/2" NPT connection
  • 2-1/2" to 72" stem lengths available
  • Heavy-duty 316 stainless steel stem (0.375" diameter) optional
  • Minimum or maximum indicating pointers are available in 3" and 5" sizes
  • The bimetal element is an extremely responsive temperature sensing helix which has been carefully sized, tested, heat-treated and aged to relieve inherent stresses and ensure continued accuracy
  • Slotted hex head adjustment offers field calibration for maximum accuracy at a selected range
  • For accurate readings, the minimum recommended stem immersion is 2-1/2" in liquids and 4" in gases
  • Options include laminated safety glass lenses, special ranges, custom dial layouts,
    special stems, different connections (1/4" and 3/8" NPT Male), and a silicone liquid filled
    option is available for applications involving severe vibration

     Note: Thermowells are recommended for pressure, corrosive fluids and high velocity
     applications.

 

  Print Catalog Page

 

ORDERING INFORMATION

DIAL SIZES 30 3" 50 5"    
CASE TYPES 300 Bottom connection 310 Back connection 320 Adjustable angle connection
STEM LENGTHS 025 2.5" 120 12" 300 30"
040 4" 150 15" 360 36"
060 6" 180 18" 420 42"
090 9" 240 24" 480 48"
TEMPERATURE RANGES
Dual Scale °F/°C
-100/150 F/C -100 °F/C to 150 °F/C 30/130 F/C 30 °F/C to 130 °F/C 50/500 F/C 50 °F/C to 500 °F/C
-80/120 F/C -80 °F/C to 120 °F/C 0/140 F/C 0 °F/C to 140 °F/C 50/550 F/C 50 °F/C to 550 °F/C
-40/120 F/C -40 °F/C to 120 °F/C 0/200 F/C 0 °F/C to 200 °F/C 0/600 F/C 0 °F/C to 600 °F/C
-20/120 F/C -20 °F/C to 120 °F/C 0/250 F/C 0 °F/C to 250 °F/C 150/750 F/C 150 °F/C to 750 °F/C
-40/160 F/C -40 °F/C to 160 °F/C 20/240 F/C 20 °F/C to 240 °F/C 100/800 F/C 100 °F/C to 800 °F/C
0/100 F/C 0 °F/C to 100 °F/C 50/300 F/C 50 °F/C to 300 °F/C 200/1000 F/C 200 °F/C to 1,000 °F/C
25/125 F/C 25 °F/C to 125 °F/C 50/400 F/C 50 °F/C to 400 °F/C    
Single Scale °F -100/150 F -100 °F to 150 °F 30/130 F 30 °F to 130 °F 50/500 F 50 °F to 500 °F
-80/120 F -80 °F to 120 °F 0/140 F 0 °F to 140 °F 50/550 F 50 °F to 550 °F
-40/120 F -40 °F to 120 °F 0/200 F 0 °F to 200 °F 0/600 F 0 °F to 600 °F
-20/120 F -20 °F to 120 °F 0/250 F 0 °F to 250 °F 150/750 F 150 °F to 750 °F
-40/160 F -40 °F to 160 °F 20/240 F 20 °F to 240 °F 100/800 F 100 °F to 800 °F
0/100 F 0 °F to 100 °F 50/300 F 50 °F to 300 °F 200/1000 F 200 °F to 1,000 °F
25/125 F 25 °F to 125 °F 50/400 F 50 °F to 400 °F    
Single Scale °C -70/70 C -70 °C to 70 °C 0/55 C 0 °C to 55 °C 0/250 C 0 °C to 250 °C
-60/50 C -60 °C to 50 °C -20/60 C -20 °C to 60 °C 10/290 C 10 °C to 290 °C
-50/50 C -50 °C to 50 °C 0/100 C 0 °C to 100 °C -20/315 C -20 °C to 315 °C
-30/50 C -30 °C to 50 °C -20/120 C -20 °C to 120 °C 0/300 C 0 °C to 300 °C
-40/70 C -40 °C to 70 °C -10/110 C -10 °C to 110 °C 0/450 C 0 °C to 450 °C
-20/40 C -20 °C to 40 °C 0/150 C 0 °C to 150 °C 100/550 C 100 °C to 550 °C
0/50 C 0 °C to 50 °C 0/200 C 0 °C to 200 °C    
  Consult factory for additional temperature ranges      
OPTIONS 1/4 1/4" NPT SG Safety Glass Lens HD Heavy-Duty Stem (0.375" Dia.)
3/8 3/8" NPT LL Polycarbonate Lens AU 1/2" NPT Adjustable Union
1/2 1/2" NPT* MIP Maximum Indicating Pointer†† SL Silicone Filled (500 °F Max)**
PL Acrylic Lens 316 316 SS Connection & Stem MM Manocont Movement

   Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.

   *   Standard connection on 3" dial size
   **  Requires acrylic lens option
   †   Not available with 2-1/2" stem length
   †† Only available on 310 Series case type

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