James Instruments T-T-90 - Trident Microwave Moisture Meter for
Aggregate & Sand
Features
• Fast and easy to use: Simply insert the prongs into the sand or
aggregate
• Accurate.
• Completely portable.
• Easy to read display.
• Instantaneous readings.
The James Trident represents a break-through in modern
moisture measurement technology. By utilizing the latest microwave
and microprocessor technology, the Trident can determine the
moisture content of sand, gravel, crushed stone and other fine and
coarse aggregate. Simply insert the prongs of the probe into the
material to be measured and instantaneously the percentage of
moisture content is shown on the easy to read display.
The Trident Microwave Moisture Meter uses a five prong
sensor to measure the complex dielectric constant of the material
encompassed by the outer four prongs. As the dielectric constant of
water is four to eight times greater than most aggregates, changes
in water content directly effect the sensor output. An average of
five to ten readings is normally taken in order to ensure a valid
reading. This output is then converted by the integrated
microprocessor and moisture content is displayed directly as a
percentage of dry weight.
The unit comes calibrated for both sand and aggregate.
It can also be programmed with up to ten different materials by the
user. For highest accuracy, the unit should be programed for the
material being tested. Simple to use WIN95/WINNT software is
provided for calibrating the unit to the various materials.
Finally, the Trident can store over 150 readings.
Storage is complete with the time and date for future reference.
Data can be recalled via RS-232 interface to a personal computer
running WIN95/WINNT.
Specifications
Moisture Range: 0-20% by Dry Range.
Frequency: 50 Mhz.
Power: 4 AA Batteries.
Display: 4 x 16 Char. Trans - reflective.
Data Link: RS - 232.
Weight: 4 lbs. (1.8 kg).
Click here for T-T-90 Data Sheet
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