PESSL INSTRUMENTS SOIL TEMPERATURE
The Soil Temperature Sensor is a PT1000 in a waterproof stainless steel housing. The sensor output is a duty-cycle signal.
SENSOR | PESSL INSTRUMENTS SOIL TEMPERATURE |
Order number | 600159 / 900124 (iMETOS 3.3), 600020 / 900027 (µMETOS, ECHO) |
TECHNICAL SPECIFICATIONS
Sensor SMT172 | Operating temperature range: -30 °C to +75 °C Accuracy: ±0.5 °C (-30 °C to +75 °C) |
Sensor PT1000 | Operating temperature range: -30 °C to +75 °C Accuracy: ±0.1 °C (-30 °C to +75 °C) |
Supply voltage | 4.57-7 V |
Supply current | max. 200 μA |
Short circuit protection | infinite (within supply voltage range) |
Short circuit supply current | max. 40 mA |
Calibration error | max. 0.25°C (23°C) |
Nonlinearity error | max. 0.2°C |
Supply voltage sensitivity | max. 0.1°C/V |
Repeatability | max. 0.2°C |
Long term drift | max. 0.1°C |
Output frequency | 1 to 4 kHz |
Evaluation | Duty cycle |
Cable length | 5 m |

PESSL INSTRUMENTS GmbH
Werksweg 107, A-8160 Weiz, Austria
Tel: +43 (0) 3172 5521, Fax: +43 (0) 3172 5521 23
E-mail: sales@metos.at, Webpage: www.metos.at
Values may be changed without notice. All rights reserved. © 1984-2022 Copyright PESSL INSTRUMENTS GmbH