Weston

Bi Metallica Thermometers - Model 4503

5" Head Diameter - Back Connected ½" N.P.T. - Model 4503

5 " Head Diameter - Back Connected ½" N.P.T. - Model 4503

Specifications and Features

  • Dial diameter 5"
  • Standard stem lengths: 2½", 4", 6", and 9". Additional stem lengths available by special order
  • Stem diameter 1/4"
  • Bottom connected stem
  • Scale length 9.9"
  • Permanent metal scale plates
  • Convenient side located adjustment for recalibration
  • ½" N.P.T. connection
  • Breakage resistant glass windows
  • All 304 stainless steel construction
  • Removable bezel
  • Stainless steel welds for maximum corrosion resistance
  • Hermetically sealed against moisture
  • Rated Accuracy: ± 1% of total scale range
  • Custom stems longer than 36" are 3/8" diameter except for last 6" which is 1/4" diameter
  • Liquid filling available

Model 4503
(Back Connected - Angle Form)

Factory Stocked Temperature Ranges

Stem Length Fahrenheit(°) ==> Celsius(°) 2.5" Model No. 4" Model No. 6" Model No. 9" Model No. 12" Model No. 18" Model No. 24" Model No.
-40 to 120   4503-02200DF 4503-04200DF 4503-06200DF 4503-09200DF 4503-12200DF 4503-18200DF 4503-24200DF
25 to 125   4503-02200NF 4503-04200NF 4503-06200NF 4503-09200NF 4503-12200NF 4503-18200NF 4503-24200NF
0 to 200   4503-02200IF 4503-04200IF 4503-06200IF 4503-09200IF 4503-12200IF 4503-18200IF 4503-24200IF
20 to 240   4503-02200MF 4503-04200MF 4503-06200MF 4503-09200MF 4503-12200MF 4503-18200MF 4503-24200MF
50 to 300   4503-02200QF 4503-04200QF 4503-06200QF 4503-09200QF 4503-12200QF 4503-18200QF 4503-24200QF
50 to 400   4503-02200RF 4503-04200RF 4503-06200RF 4503-09200RF 4503-12200RF 4503-18200RF 4503-24200RF
50 to 500   4503-02200SF 4503-04200SF 4503-06200SF 4503-09200SF 4503-12200SF 4503-18200SF 4503-24200SF
150 to 750   4503-02200VF 4503-04200VF 4503-06200VF 4503-09200VF 4503-12200VF 4503-18200VF 4503-24200VF
200 to 1000   4503-02200WF 4503-04200WF 4503-06200WF 4503-09200WF 4503-12200WF 4503-18200WF 4503-24200WF
- 0 to 50 4503-02200HC 4503-04200HC 4503-06200HC 4503-09200HC 4503-12200HC 4503-18200HC 4503-24200HC
- -10 to 110 4503-02200GC 4503-04200GC 4503-06200GC 4503-09200GC 4503-12200GC 4503-18200GC 4503-24200GC
- 0 to 150 4503-02200JC 4503-04200JC 4503-06200JC 4503-09200JC 4503-12200JC 4503-18200JC 4503-24200JC
- 0 to 300 4503-02200MC 4503-04200MC 4503-06200MC 4503-09200MC 4503-12200MC 4503-18200MC 4503-24200MC
-100 to 100 -70 to 40 4503-02200AD 4503-04200AD 4503-06200AD 4503-09200AD 4503-12200AD 4503-18200AD 4503-24200AD
-40 to 120 -40 to 50 4503-02200BD 4503-04200BD 4503-06200BD 4503-09200BD 4503-12200BD 4503-18200BD 4503-24200BD
0 to 250 -20 to 120 4503-02200FD 4503-04200FD 4503-06200FD 4503-09200FD 4503-12200FD 4503-18200FD 4503-24200FD
25 to 125 0 to 50 4503-02200HD 4503-04200HD 4503-06200HD 4503-09200HD 4503-12200HD 4503-18200HD 4503-24200HD
50 to 300 10 to 150 4503-02200ID 4503-04200ID 4503-06200ID 4503-09200ID 4503-12200ID 4503-18200ID 4503-24200ID
50 to 500 10 to 260 4503-02200KD 4503-04200KD 4503-06200KD 4503-09200KD 4503-12200KD 4503-18200KD 4503-24200KD
150 to 750 60 to 400 4503-02200LD 4503-04200LD 4503-06200LD 4503-09200LD 4503-12200LD 4503-18200LD 4503-24200LD

Note: For correct indications, the stem should be immersed at least 2" in liquids and 4" in gases. Maximum head temperature 220°F (104°C} with plastic window. *Not recommended for continuous operation above 800°F.