Senseca ECO 120-SoilTemp Professional Soil, Compost and Bulk Material Thermometer with Stainless Steel Pt1000 Probe

Senseca ECO 120-SoilTemp

Senseca ECO 120-SoilTemp Professional Soil, Compost and Bulk Material Thermometer with Stainless Steel Pt1000 Probe

Senseca ECO 120-SoilTemp

Art. number:
Date published 08.10.2026
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The Senseca ECO 120-SoilTemp is a professional portable thermometer designed for measuring and monitoring the internal temperature of soil, compost, straw, wood chips, and other bulk materials. The instrument is suitable for agricultural applications, composting processes, organic material storage, and temperature monitoring in storage and production environments.

The thermometer is equipped with a robust GTF40-T stainless steel insertion probe with a diameter of Ø10 mm, designed for temperature measurements in materials with increased mechanical resistance. The probe is available in three lengths: 620 mm, 1000 mm, and 1500 mm, allowing temperature measurements at different depths.

The probe features a laser-welded tip, providing a durable construction for insertion into soil, compost, and other bulk materials. An integrated ergonomic T-handle facilitates manual insertion and removal of the probe during measurement operations.

The probe incorporates a Pt1000 resistance temperature sensor, Class B, with a 2-wire connection, providing temperature measurements within the probe's permissible range of -50.0…+250.0 °C. This configuration supports temperature monitoring of soil, compost, and stored organic materials.

The probe is connected to the handheld instrument through a fixed 1 m cable with a BNC connector, providing convenient handling during temperature measurements at different depths.

The Senseca ECO 120-SoilTemp features a 3-line backlit display with a battery status indicator and shatterproof screen protection. A display inversion function, activated at the push of a button, facilitates reading measurements from different operating positions.

The integrated MIN/MAX functions allow users to monitor minimum and maximum recorded temperatures, while the HOLD function freezes the current reading. The instrument also includes an alarm function that allows users to set a critical temperature threshold, for example 50 °C, to monitor temperature conditions in compost and other organic materials.

The instrument housing is manufactured from impact-resistant ABS plastic and provides IP67 protection, making it suitable for regular outdoor use, agricultural operations, and environments with increased humidity and dust exposure.

The thermometer is powered by 2 × AA alkaline batteries, providing approximately 5,000 hours of typical operation. The extended battery life reduces the need for frequent battery replacement during routine temperature inspections.

The Senseca ECO 120-SoilTemp is suitable for temperature control during composting, soil temperature measurement, and monitoring of stored bulk materials, where a durable insertion probe, reliable readings, and temperature measurements at different depths are required.

For more information: https://www.senseca.com/en/product/eco-120-soiltemp-soil-and-compost-thermometer-for-core-temperature-checks-pt1000 

 
 

Technical Specifications – Senseca ECO 120-SoilTemp

Measurement Specifications

Parameter

Value

Measuring Input

BNC connector for interchangeable probes

Instrument Measuring Range

-200.0…+450.0 °C

Permissible Probe Measuring Range

-50.0…+250.0 °C

Accuracy at -20…+100 °C

±0.1 K ±1 digit

Accuracy Outside This Range

±0.1% of measured value ±2 digits

Additional Probe Inaccuracy

According to accuracy class; specified in the datasheet: ±0.3 K at 0 °C for Class AA

Nominal Temperature for Specified Accuracy

25 °C

Resolution

0.1 °C

Temperature Probe

Parameter

Value

Probe Model

GTF40-T

Probe Type

Stainless steel insertion probe

Probe Diameter

Ø10 mm

Probe Length

620 / 1000 / 1500 mm

Temperature Sensor

Pt1000, 2-wire connection, Class B

Cable Length

1 m

Cable Connector

BNC

Display and Functions

Parameter

Value

Display Type

3-line backlit display

Battery Status Indicator

Yes

Display Protection

Shatterproof protective screen

Display Inversion

At the push of a button

Automatic Power-Off

Yes, user-configurable

Power Supply

Parameter

Value

Power Supply

2 × AA alkaline batteries (included)

Power Consumption

Approx. 0.4 mA

Power Consumption with Backlight

Approx. 2 mA

Battery Life

Approx. 5,000 h typical continuous operation

Ambient Conditions

Parameter

Value

Operating Temperature

-20…+50 °C

Operating Relative Humidity

0…95% RH, non-condensing

Storage Temperature

-20…+70 °C (without batteries)

Protection Rating

IP67

Enclosure, Dimensions and Weight

Parameter

Value

Instrument Dimensions

108 × 54 × 28 mm

Dimensions Including BNC Connector

116 × 54 × 28 mm

Instrument Weight

Approx. 130 g (including batteries)

620 mm Probe Weight

Approx. 500 g

1000 mm Probe Weight

Approx. 700 g

1500 mm Probe Weight

Approx. 1100 g

Housing Material

Impact-resistant ABS plastic

Front Panel Material

Polyester

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