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Palmer Wahl 3AA | All Angle Wide Case Industrial Thermometer, 3AA | 9 in Case
The 3AA is a Palmer Wahl wide-case industrial thermometer with a 9 in (229 mm) long, 2-1/4 in (57 mm) wide aluminium case. Its all-angle adjustment rotates the case 180° and positions the stem in 10° increments, so a single model suits virtually any installation and viewing angle. Red-reading mercury fill is standard and red spirit is optional.
Key features
- 9 x 2-1/4 in aluminium case and scale
- All-angle adjustable case
- Tapered 0.437 in (11 mm) stainless steel bulb
- 1-1/4 in-18 UNEF brass swivel nut; stainless optional
- Accuracy ±1/2 scale division (mercury), ±1 division (red spirit)
Stem lengths of 3.5, 6, 8 and 12 in are listed, with options for drain holes, dual scale, engraved scale, one-piece stem/bulb, plastic crystal, red spirit fill and a 304 SS swivel nut. Thermowells are sold separately.
- Specifications
- Downloads
| Part Number | 3AA |
| Brand | Palmer Wahl |
| Case | 9 in (229 mm) x 2-1/4 in (57 mm), aluminium |
| Case Style | All angle adjustable |
| Crystal | Instrument glass; plastic optional |
| Fill | Red-reading mercury; red spirit optional |
| Accuracy | ±1/2 div (mercury); ±1 div (red spirit) |
| Bulb | Tapered stainless steel, 0.437 in (11 mm) |
| Fitting | 1-1/4 in-18 UNEF brass swivel nut |
| Stem Lengths | 3.5, 6, 8, 12 in |
| Calibration | To NIST-traceable standards |
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