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Palmer Wahl 50A, 50AL | Rigid Stem Direct Drive Dial Thermometer, 50A & 50AL | 5 in Dial
The Palmer Wahl 50A and 50AL are rigid-stem, filled-system dial thermometers with a 5 in (127 mm) dial in a polished 316 stainless steel all-angle case. The 50AL is liquid actuated for ranges to 500°F, using a non-toxic, odourless, non-flammable organic fill; the 50A is mercury actuated for higher ranges. A direct-drive double-wound bourdon coil turns the pointer shaft directly, avoiding the wear of a sector-and-pinion movement.
Key features
- 1-1/4 in UNEF-18 nickel-plated brass swivel nut
- 0.625 in 304 SS stem with 0.437 in tapered bulb
- Stems 3.5 to 24 in
- Ranges -100 to 1200°F or -60 to 500°C
- Accuracy ±1 scale division
Options: dual range scale, Plexiglass cover and 316 stainless steel fitting. Mercury is prohibited in some regions.
- Specifications
- Downloads
| Part Number | 50A, 50AL |
| Brand | Palmer Wahl |
| Dial | 5 in (127 mm) |
| Case | Polished 316 SS, all-angle |
| Fill | 50AL liquid (to 500°F); 50A mercury |
| Fitting | 1-1/4 in UNEF-18 swivel nut, nickel-plated brass |
| Stem | 0.625 in (15.9 mm), 304 SS |
| Bulb | 0.437 in (11.1 mm) tapered |
| Stem Lengths | 3.5, 6, 8, 9, 12, 15, 18, 24 in |
| Lens | Gasket-sealed glass; Plexiglass optional |
| Accuracy | ±1 scale division |
| Ranges | -100 to 1200°F / -60 to 500°C |
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