Model 2281

2" Head Diameter - Back Connected 1/4" N.P.T.


Specifications and Features

  • Head diameter 2"
  • Standard stem lengths: 2½", 4", 6", 9" and 12" including threaded portion. Additional lengths available on special order
  • Stem diameter .25"
  • Scale length 4 1/2"
  • Threaded 1/4" N.P.T. connection nut
  • Glass windows
  • All 304 stainless steel construction
  • 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

Factory Stocked Temperature Ranges

    Model 2281 (With Standard 1/4" N.P.T. Connection Nut)
  2.5" Stem Length 4" Stem Length 6" Stem Length 9" Stem Length 12" Stem Length
Range(°) Model / Catalog No. Model / Catalog No. Model / Catalog No. Model / Catalog No. Model / Catalog No.
-40 to 120 °F 2281-02100DF 2281-04100DF 2281-06100DF 2281-09100DF 2281-12100DF
25 to 125 °F 2281-02100NF 2281-04100NF 2281-06100NF 2281-09100NF 2281-12100NF
0 to 250 °F 2281-02100JF 2281-04100JF 2281-06100JF 2281-09100JF 2281-12100JF
50 to 300 °F 2281-02100QF 2281-04100QF 2281-06100QF 2281-09100QF 2281-12100QF
50 to 500 °F 2281-02100SF 2281-04100SF 2281-06100SF 2281-09100SF 2281-12100SF
150 to 750 °F 2281-02100VF 2281-04100VF 2281-06100VF 2281-09100VF 2281-12100VF
200 to 1000 °F 2281-02100WF 2281-04100WF 2281-06100WF 2281-09100WF 2281-12100WF
           
0 to 50 °C 2281-02100HC 2281-04100HC 2281-06100HC 2281-09100HC 2281-12100HC
-10 to 110 °C 2281-02100GC 2281-04100GC 2281-06100GC 2281-09100GC 2281-12100GC
0 to 150 °C 2281-02100JC 2281-04100JC 2281-06100JC 2281-09100JC 2281-12100JC
0 to 300 °C 2281-02100MC 2281-04100MC 2281-06100MC 2281-09100MC 2281-12100MC


Note: For correct indications, the stem should be immersed at least 2" in liquids and 4" in gases. Head temperature should not exceed 220°F. * Not recommended for continuous operation above 800°F.