Fluke 1551A Ex User Manual

Stik Thermometer
Operation
5
Operation
Immersion Depth and Usage
WCaution
To prevent possible damage to the Product or to equipment
under test, do not immerse the Probe beyond the maximum
immersion depth. This may damage its internal electronics.
Allow enough time for the Probe to stabilize before recording measurements. Use the
Stability Display to determine when the Probe has stabilized.
Probe sensor length is shown in Figure 1.
3
2
1
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A
Sheath Length:
1551A-9: 229 mm (9 in)
1551A-20: 508 mm (20 in)
1551A-12/1552A-12: 305 mm (12 in)
B
Sensor Length:
1551A: ≤10 mm (0.39 in)
1552A: ≤30 mm (1.18 in)
C
Sheath Diameter:
1551A-9: 4.8 mm (3/16 in)
1551A-12/1551A-20/1552A: 6.35 mm (1/4 in)
Figure 1. Probe Measurements

Fluke 1551A Ex Specifications