Soil Moisture, Temperature, and Salinity Recorder SMTS-3P (CAT#: STEM-OEM-0390-ZJF)

The Soil Moisture, Temperature, and Salinity Recorder is a comprehensive monitoring device designed to measure and log key soil parameters simultaneously. It is used in agriculture, forestry, environmental research, and land restoration projects to assess soil health and inform decisions regarding irrigation, fertilization, and land use practices.

Function: Simultaneous detection of soil moisture, temperature, and salinity
Soil Temperature:
- Unit: °C
- Range: -40°C to 100°C
- Accuracy: ±0.5°C
- Resolution: 0.1°C
Soil Moisture Content:
- Unit: % (m³)
- Range: 0-100%
- Response Time: ≤2 seconds
- Relative Error: ≤3%
Soil Salinity:
- Range: 0-19.99 mS/cm
- Sensors: Buried directly into soil
Storage Capacity: ~30,000 groups; 4G Micro SD included
Data Collection Interval: 5 minutes to 99 hours
Power Supply: 8.4V lithium battery or 100-240V, 50/60Hz adapter
Power Consumption: Standby - 10 mA; Working - varies by configuration
Package Size (L×W×H): 450 × 420 × 140 mm
Gross Weight: 4 kg

Handset
Compact and portable with LCD display.
Supports manual or timed unattended data collection with automatic recording and storage.
Dual power (AC/DC) with 8.4V 1500mAh lithium battery; includes charging protection and low battery alert.
Stores up to 30,000 data sets; equipped with 4GB Micro SD card.
Data viewable on device and exportable to PC.
Power-off memory ensures saved data remains intact.
Compatible with various sensors via concentrator with consistent accuracy.
Auto sensor detection and 32-channel simultaneous detection supported.
RS485 communication allows sensor cable lengths up to 100 meters.
Low-power design with system monitoring and protection against short circuits and interference.
Software
Displays parameter trends (Max, Min, Avg) with zoom functions.
Highlights over-limit areas visually.
Supports data export in Excel format and printable reports.
Allows period-based graph review with movable coordinates for easier analysis.

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