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 |
