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Technical Support

Product Manuals, Brochures, and Documents

Our Forms and Documents Library contains the product manuals and service and technical bulletins for our products.

All files are downloadable Acrobat PDF files (Click here to download Adobe Acrobat Reader).

You can search by item number or product name.

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Feb 24, 2021 PDF Document TDR 150 Product Manual - Product Manuals
Product Manual for TDR 150 Soil Moisture Meter. Item Number 6445.
Feb 24, 2021 PDF Document TDR 350 Product Manual - Product Manuals
Product Manual for TDR 350 Soil Moisture Meter. Item Number 6435.
Feb 19, 2021 PDF Document LAQUA Twin EC Meter Product Manual - Product Manuals
Product manual for the LAQUA Twin EC Meter, Item # 2205L
Feb 16, 2021 PDF Document Solar Power Package Product Manual - Product Manuals
Product Manual for the Solar Power Package. Item number 3999.
Feb 16, 2021 PDF Document DataScout Modem Product Manual - Product Manuals
Product Manual for the DataScout Modem. Applicable to items 3920, 3921, 3922M, 3923M, 3924M, 3928M, and 3928MB.
Feb 16, 2021 PDF Document 2000 Series Mini Stations - Product Manuals
Product manual for our WatchDog 2000 Series Mini Stations, includes models 2475, 2450, 2425, 2400. These are item numbers 3686WD, 3684WD, 3683WD, 3685WD.
Feb 09, 2021 PDF Document SERVICE BULLETIN NO. 20201005 TDRx50 Display Firmware Update Instructions - Service Bulletins
SERVICE BULLETIN NO. 20201005 for TDRx50 Display Firmware Update Instructions for FieldScout TDR150, TDR250, and TDR350 (Item #’s 6250, 6435, 6445). Spectrum Technologies releases display firmware updates that add new features and improvements to the TDR 150, TDR 250, and TDR 350 Soil Moisture Meters.
Feb 05, 2021 PDF Document SERVICE BULLETIN NO. 20210204 Firmware Update - Service Bulletins
Spectrum Technologies has released firmware version 2.17 for the TDR 150, TDR 250, and TDR 350 Soil Moisture Meters. The existing firmware version is reported on the bottom of the display once the TDR is powered on. Version 2.17 is a service release with a feature update. Applicable to TDR150, TDR250, and TDR350 (Item #’s 6250, 6435, 6445).
Jan 28, 2021 PDF Document TDR 250 Product Manual - Product Manuals
Product Manual for the TDR 250 Economy Soil Moisture Meter. Item number is 6250.
Jan 26, 2021 PDF Document Quantum PAR/DLI Light Meter - SpecSheets
Spec Sheet for the Quantum PAR/DLI Light Meter. Item number 3415A.
Jan 26, 2021 PDF Document 3430 Frost Alarm Manual - Product Manuals
Product manual for the WatchDog Frost Alarm. Item number 3430.
Dec 15, 2020 PDF Document TDR 250 Spec Sheet - SpecSheets
This is the Product Spec Sheet for the TDR 250 Economy Soil Moisture Meter. Product number is 6250.
Nov 25, 2020 PDF Document TDR 150 Spec Sheet - SpecSheets
Product spec sheet for the FieldScout TDR 150 Soil Moisture Meter. For item number 6445.
Nov 24, 2020 PDF Document TDR 350 Spec Sheet - SpecSheets
Product spec sheet for the TDR 350 Soil Moisture Meter. Applicable to product number 6435.
Nov 19, 2020 PDF Document WatchDog 3250 Wireless ET Weather Station - SpecSheets
Product spec sheet for our WatchDog 3250 (3250MU) Wireless ET Weather Station
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Welcome to Spectrum Technologies, Inc.

Spectrum offers a full line of affordable measurement technology for soil compaction, soil moisture, nutrient levels, light, weather, and other factors directly affecting plant development. Our external sensors can record rainfall, leaf wetness hours, temperature and humidity fluctuations, and other weather events with our WatchDog data loggers, which ranges from stand-alone units to full weather stations. Comprehensive software allows users to graph data, run reports, create custom reports, export data to excel and import other weather data. Disease monitoring software is available for 17 disease models and 60 insect models. Over 15,000 customers count on Spectrum's easy to use, dependable technology.

 
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