Kellyco Titan 9000 Owner's Manual - page 36
of
38
37
Specifications
Battery requirements:
two 9-volt rectangular alkaline batteries
Power consumption:
20 milliamperes quiescent
Battery life:
typically 20 + hours
Operating frequency:
6.9 kHz
Weight (with batteries):
2.9 lbs
Headphone jack:
1/4 inch stereo
Temperature range:
0 - 40 degrees C (32 - 104 degrees F)
Humidity:
0 - 95% noncondensing
Searchcoils:
concentric coplanar with resonant transmitter, waterproof,
interchangeable
Ground balance resolution:
1 part in 256