Model: 1551A-12-DL
An intrinsically-safe, and battery-operated 12" stick reference thermometer safe for working in indoor or outdoor environments where potentially explosive gases may be present. Features a large backlit LCD that rotates up to 90°, measures from -58 to 320°F (-50 to 160°C), and comes with data logging of up to 10,000 readings.
The best substitute for precision mercury- or spirit-filled glass thermometers. The RTD probe and thermometer readout are combined into one unit and calibrated as a system. Intrinsically safe and accurate to ±0.05 °C over full range. The 1551A features a robust thin-film RTD sensor, ranges from -50 °C to 160 °C and primarily targets the petroleum industry. Of course many other industries have applications that require an easy-to-use, stable and portable reference thermometer and the "Stik" Thermometer is the perfect solution.
| Specification Fluke 1551A Ex | |
| Temperature range | -50 °C to 160 °C (-58 °F to 320 °F) |
| Accuracy (1 year) | ± 0.05 °C (± 0.09 °F) |
| Display units | °C, °F |
| Sensor type | 100 Ω thin-film RTD |
| Probe temperature coefficient | 0.00385 Ω/Ω/°C nominal |
| Sensor length | < 10 mm |
| Sensor position (from sheath tip) | 3 mm (0.1 in) |
| Minimum immersion depth1 | 7 cm (2.8 in) |
| Probe sheath material | SST |
| Response time | 4.8 mm diameter probe (3/16 in): 14 seconds 6.35 mm diameter probe (1/4 in): 21 seconds |
| Probe hysteresis | ± 0.01 °C |
| Temperature resolution | Selectable: 0.1, 0.01, 0.001 (default 0.01 |
| Sample rate | Selectable: 0.5 seconds, 1 seconds, 2 seconds (default 1 seconds |
| Operating temperature range readout | -10 °C to 50 °C (14 °F to 122 °F) |
| Storage temperature | -20 °C to 60 °C (-4 °F to 140 °F) 0 % to 95 % RH, non-condensing |
| Optional data logging2 | Up to 10,000 time-stamped readings stored to internal memory |
| Logging intervals2 | 2 seconds, 5 seconds, 10 seconds, 30 seconds, or 60 seconds; 2 minutes, 5 minutes, 10 minutes, 30 minutes, or 60 minutes |
| Damping | Moving average of the most recent 2 to 10 readings (ON/OFF, 2, 5, 10) |
| Communications | RS-232 stereo jack (access calibration parameters only) |
| AC power | None |
| DC power | Three AAA batteries, typical battery life of 300 hours without LCD backlight |
| EMC compliance | EN61326:2006 Annex C; CISPR II Edition 5.0-2009; Class "B" |
| Enclosure rating | IP50 |
| Electronics dimensions (H x W x D) |
114 mm x 57 mm x 25 mm (4.5 in x 2.25 in x 1.0 in) |
| Weight | 196 g (6.9 oz) |
| Calibration (included) | NVLAP-accredited, NIST-traceable |
| Characterization | CVD |
| 1 Per ASTM E 644 2 See ordering information for optional data logging configurations |
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