The Spectrum FieldScout TDR 300 Soil Moisture Meter is a professional handheld device designed to provide fast, precise, and reliable soil moisture readings. Ideal for farmers, turf managers, greenhouse operators, landscapers, and researchers, this advanced TDR (Time Domain Reflectometry) meter helps optimize irrigation, improve crop health, and maximize water efficiency.
With its durable design and easy-to-read digital display, the FieldScout TDR 300 delivers consistent results in the field or greenhouse, allowing users to make data-driven decisions for soil and crop management.
Key Features
High-Precision TDR Technology – Accurate and reliable soil moisture measurement
Clear Digital Display : Easy-to-read results for quick decision-making
Durable Construction : Built for long-term outdoor and research use
Low Maintenance : Professional-grade performance with minimal upkeep
SKU: 6430FS
Monitor and record soil moisture conditions accurately with TDR technology and Spectrum's GPS-compatible data logging equipment.
Required TDR Rods (two 1.5 / 3 / 4.8 / 8 in. rods) for the product to function properly; which are sold separately.
Main features of the product:
- Instantaneous readings of root zone soil moisture
- Bluetooth enabled using FieldScout Bluetooth Device (purchase separately), and connects to the FieldScout Mobile App, instantly see your data on your smart phone or tablet
- Connects to any GPS receiver with serial output**
- Equipped with internal data logger and RS-232 port
- Records 3,250 measurements (1,350 with added GPS/DGPS option)
- Configure and download meter with FieldScout software (included)*
- Compatible with SpecMaps online web-mapping application
- TDR 300 meter includes soft-sided carrying case
- Firmware chip not required for new purchases - only if your TDR is pre-January 2012. Firmware version 6.5 or higher required for FieldScout Bluetooth Device connection
**GPS interface requires two cables. The GPS/DGPS cable (item 2950CV5) is available from Spectrum. A PC serial interface cable supplied by the manufacturer of the GPS receiver is also required.
* Spectrum’s PC cables connect to a 9-pin serial port. USB-Serial adapter (item 3661USB) required for connection to computers with only USB ports.
Specification
Measurement Principle: Time-domain measurement methods
Measurement Units: Percent volumetric water content
Resolution: 0.1% volumetric water content
Accuracy: ±3.0% volumetric water content with electrical conductivity < 2 mS/cm
Range: 0% to saturation (Saturation typically around 50% volumetric water)
Battery/Life: 4 AAA alkaline batteries; approximately 12-month battery life
Delivery lead time: 4 - 8 weeks
Brochure:
Spectrum_Irrigation_Audit_Brochure_TDR300.pdf
