Bi-Metal Thermometers – Model B325-01 Diagram
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Specifications:
| Case | 304 stainless steel, including back side recalibrator screw |
| Dial | 3 in (76 mm), 5 in (127 mm), white aluminum graduations °F in black °C in blue |
| Ring | 304 stainless steel |
| Lens | Polycarbonate hermetically sealed |
| Pointer | Balanced aluminum painted black |
| Movement | Bimetallic coil |
| Stem | 304 stainless steel, 2 ½ in (63 mm), 4 in (100 mm), 6 in (150 mm), 9 in (227 mm) and 12 in (300 mm) |
| Connection | ½ in nptm center back mount |
| Ambient temperature | -55 to 245 °F/°C |
| Operating temperature | Maximum 75 % of full range value |
| Accuracy | ASME B40.200(B40.3), Grade A ± 1 % CAN/CGSB – 14.5 |
Dimensions As Per Diagram :
| Model | Ø | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|---|
| B325 | 3 in (76 mm) | 3.25 in
(83 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 2.5 in (63 mm) | 0.25 in (6.2 mm) | 3.56 in
(90.5 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B340 | 3 in (76 mm) | 3.25 in
(83 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 4 in (100 mm) | 0.25 in (6.2 mm) | 5.1 in
(130 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B360 | 3 in (76 mm) | 3.25 in
(83 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 6 in (150 mm) | 0.25 in (6.2 mm) | 7.1 in
(180 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B390 | 3 in (76 mm) | 3.25 in
(83 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 9 in (227 mm) | 0.25 in (6.2 mm) | 10.2 in
(259 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B3120 | 3 in (76 mm) | 3.25 in
(83 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 12 in (300 mm) | 0.25 in (6.2 mm) | 13.25 in (336.5 mm) | ½ in nptm | 7/8 hex. (22 mm) |
| B525 | 5 in (127 mm) | 5.1 in
(130 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 2.5 in (63 mm) | 0.25 in (6.2 mm) | 3.56 in
(90.5 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B540 | 5 in (127 mm) | 5.1 in
(130 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 4 in (100 mm) | 0.25 in (6.2 mm) | 5.1 in
(130 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B560 | 5 in (127 mm) | 5.1 in
(130 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 6 in (150 mm) | 0.25 in (6.2 mm) | 7.1 in (180 mm) | ½ in nptm | 7/8 hex. (22 mm) |
| B590 | 5 in (127 mm) | 5.1 in
(130 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 9 in (227 mm) | 0.25 in (6.2 mm) | 10.2 in
(259 mm) |
½ in nptm | 7/8 hex. (22 mm) |
| B5120 | 5 in (127 mm) | 5.1 in (130 mm) |
0.7 in (18 mm) |
0.35 in (8.9 mm) | 12 in (300 mm) | 0.25 in (6.2 mm) | 13.25 in (336.5 mm) |
½ in nptm | 7/8 hex. (22 mm) |
