Description
Intrinsically Safe Temperature Data Logger, Fixed RTD, -50 to 160?C, 1/4×12 with Data Logging
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.
Features:
-50 to 160 ?C
Accurate to ? 0.05 ?C (?0.09 ?F) over full range
Intrinsically safe (ATEX and IECEx compliant)
Display temperature in ?C or ?F
User-configurable temperature Trend/Stability indicator
Optional data logging to internal memory available
300-hour battery life
Percent battery-life and low-battery indicator
NVLAP-accredited, NIST-traceable calibration included
Specifications:
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 ? thin-film RTD
Probe temperature coefficient
0.00385 ?/?/?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
Click here for complete specifications on the Fluke 1551A-12-DL
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