Datasheet
6
1551A Ex/1552A Ex Specications
6
Specifications 1551A Ex 1552A Ex
Temperature range -50 °C to 160 °C
(-58 °F to 320 °F)
-80 °C to 300 °C
( -112 °F to 572 °F)
Accuracy (1 year) ± 0.05 °C (± 0.09 °F)
Display units °C, °F
Sensor type 100 Ω thin-film RTD 100 Ω wire-wound PRT
Probe temperature coefficient 0.00385 Ω/Ω/°C nominal
Sensor length ≤ 10 mm ≤ 30 mm
Sensor position (from sheath tip) 3 mm (0.1 in)
Minimum immersion depth
1
7 cm (2.8 in) 12 cm (4.8 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 logging
2
Up to 10,000 time-stamped readings stored to internal memory
Logging intervals
2
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 ITS-90
1
Per ASTM E 644
2
See ordering information for optional data logging configurations