Spectrum Technologies, Inc
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FieldScout - Model 600 & 400 -pH Meters
Quality pH meters and ISFET probes for glass-free pH measurement. Well suited for the research community, education, agriculture, horticulture, bioscience, turf, and more!
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A new line of quality pH meters and ISFET probes for glass-free pH measurement!
- Well suited for the research community, education, agriculture, horticulture,
- bioscience, turf, and more!

- Mineral soil has abrasive properties that can damage the probe tip when inserted directly.
- Pilot holes are necessary when inserting into mineral soils.
- Pilot holes are not required for most soilless media.
Modern User Interface
- The new FieldScout pH 400 & 600 Meters have a modern, intuitive, and user friendly interface that allows users to quickly access the meters advanced features and settings
- Temperature and pH data remain visible, so monitoring does not stop when settings are changed or options are selected
- Large, backlit 3.2” LCD color display ensures measurement values and menu options are easy to read
Rugged and Ergonomic Design
- The FieldScout pH 400 & 600 Meters have both been designed for professional use
- Protected against dust and splashing – IP65
- Meters are fitted with a rubber boot to help absorb shock
- The USB port is well protected by a tightly sealed cover. The casing and battery door are fitted with rubber seals.
- 1 year warranty
- Professional grade quality
- Large, 3.2” LCD color display allows easy measurement reading
- Intelligent calibration wizard simplifies the calibration process
- Supports 1- and 2-point calibration
- Light weight and compact design make it highly suitable for field use and handheld applications
- Powered by 3 rechargeable AA-batteries (AC adapter included)
- Meter includes case with cavity for sensor, batteries, and pH 4 and 7 standards. Excludes pH probe, please order separately
Includes all features of the FieldScout pH 400 Meter, plus...
- Better resolution - 0.005
- Internal storage of measured data points (500 max.)
- Stored and logged data points can be transferred to a PC through the USB port (65,000 max.)
- Ability to query both momentary pH value and temperature
- Supports up to 5-point calibration
- Alarm set points and warnings for pH and temperature
- Meter includes case with cavity for sensor, batteries, and pH 4 and 7 standards. Excludes pH probe, please order separately
ISFET (Ion Sensitive Field Effect Transistor) Probes!
Glass Free and Durable Probe - 2 Options to Fit Your Needs
- Unlike glass electrodes, the FieldScout 400 and 600 pH Meters feature ISFET pH electrodes that will not shatter. Additionally, neither model requires wet storage
- Both come with a 6-month warranty
- Spectrum ISFET probes are made of high quality materials such as PEEK, ABS, and PVC
- Sample directly in plug trays, pots, containers, solutions, ground soils, and soilless media
- Uses patented non-glass ISFET technology for the smallest pH measurement
- Sharp and to the point for pH measurement of materials that need to be penetrated
- Eliminates clogging from dirty samples or semi-solids
Blunt Tip ISFET Probe - Item 2127
- Uses patented non-glass ISFET technology for general purpose pH measurement
- Ideal for liquids, hydroponics, and soilless media

