Model 3430 Plus & 3440 Plus
INDEX
A
AC charger .................................................................................... 1–6
Access code ...................................................................... , 3–11, 9–2
Accessories ......................................................................... 1–5, C–29
Accident notification.....................................................................B–3
Accuracy ............................................................................... 2–5, 4–2
Adapter, dc .................................................................................... 1–6
Alkaline batteries ........................................................................ C–14
ALPHA LOCK key ...................................................................... 3–4
Alpha particles ............................................................................. A–4
American Society of Testing and Materials (ASTM) standards ... 1–3
Americium-241:beryllium (Am-241:Be) ...................................... 2–3
Asphalt
Mode setup .............................................................................. 3–15
Site preparation ......................................................................... 4–9
Taking measurements ............................................................. 4–14
Atomic Energy Control Regulations (AEC) .................................B–4
Atomic structure .......................................................................... A–2
Automatic
Depth mode ............................................................................. 3–10
Shutdown .......................................................................... 3–8, F–5
Auto-Store................................................................................... 8–12
B
BACK SPACE key ....................................................................... 3–4
Backlight ..................................................................................... 3–16
Backscatter position .............................................................. 2–2, 3–5
Battery......................................................................................... C–10
Alkaline ...................................................................................C–14
Charge ............................................................................ F–5, C–12
Low warning ............................................................................. 9–7
Replace NiMH battery pack....................................................C–13
Specifications ............................................................................ F–5
Status. ........................................................................... 5–19, C–10
Beeper, external .......................................................................... 5–17
Beta particles ............................................................................... A–4
Bottom density ............................................................................ 5–10