Model 4200 can be recalibrated by means of an external adjustment by firmly holding the head and immersing the stem at least 2" in an agitated known controlled temperature bath and turning the hex nut at the base of the thermometer head until the pointer indicates the correct temperature.
| Range(°) | Model / Catalog No. |
|---|---|
| -100 to 100 °F | 4200-08000AF |
| 25 to 125 °F | 4200-08000NF |
| -40 to 160 °F | 4200-08000EF |
| 0 to 180 °F | 4200-08000HF |
| 0 to 220 °F | 4200-08000KF |
| 50 to 250 °F | 4200-08000PF |
| 50 to 300 °F | 4200-08000QF |
| 50 to 400 °F | 4200-08000RF |
| 50 to 500°F | 4200-08000SF |
| -100 to 40 °C | 4200-08000AC |
| 0 to 50 °C | 4200-08000HC |
| -50 to 100 °C | 4200-08000BC |
| -10 to 110 °C | 4200-08000GC |
| 0 to 100 °C | 4200-08000IC |
| 0 to 150 °C | 4200-08000JC |
| 0 to 250 °C | 4200-08000LC |
Note: For correct temperature indications, the stem should be immersed at least 2" in fluids and 4" in gases. Head temperature should not exceed 220°F (104°C).
