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 |
7 cm (2.8 in) |
12 cm (4.8 in) |
Probe sheath material |
Stainless steel |
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) |
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 logging1 |
Up to 10,000 time-stamped readings stored to internal memory |
Logging intervals1 |
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 |
3-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 |
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