Troxler 3440 User Manual

Model 3440-L 6–13
6. SPECIAL FUNCTIONS
DISABLE A SPECIAL CALIBRATION
To disable a previously enabled special calibration, press 〈2〉 from the
SPEC CALIB. menu. The display will be:
NORMAL
CALIBRATION
ENABLED!
The gauge will return to the READY display.
PERFORM A SPECIAL CALIBRATION (RECALIBRATION)
Before performing a special calibration, the following steps must be taken:
1. The sample area must be prepared for testing.
2. Gauge readings must be taken on each area.
3. A wet density measurement using an alternative method must be
performed.
To perform a new special calibration, prepare a test site and position the
gauge. Position the rod at the correct depth and press 〈3〉 from the SPEC
CALIB. menu. The display will be:
Input rod depth:
(Enter 0 for BS)
xxinches
(Press ENTER)
Press 〈START/ENTER〉 after input of the rod depth. The display is:
SPECIAL CALIB.
Depth: x inches
Time: x min.
Press START

Troxler 3440 Specifications

General

Model	3440
Category	Measuring Instruments
Display	LCD
Power Supply	Rechargeable Battery
Measurement Type	Density and Moisture
Radiation Source	Cesium-137 and Americium-241
Application	Soil
Depth of Measurement	Up to 12 inches (300 mm)
Measurement Time	1 minute (standard)
Battery Life	Approximately 8 hours
Operating Temperature	14°F to 122°F (-10°C to 50°C)