12-watt Transmitter Specifications
Trace mode frequencies
2220M 8 kHz, 82 kHz
2250M/2273M 577 Hz, 8 kHz, 33 kHz, 200 kHz
2250ME/2273ME (International) 577 Hz, 8 kHz, 33 kHz, 133 kHz
Fault mode frequencies
10/20 Hz -fault
577 Hz / 33 KHz -trace
Induction mode frequencies
2220M 8 kHz, 82 kHz
2250M/2273M 8 kHz, 33 kHz, 200 kHz
2250ME/2273ME (International) 8 kHz, 33 kHz, 133 kHz
Pulsing tone frequencies
2220M n/a
2250M/2273M 577 Hz, 200 kHz
2250ME/2273ME (International) 577 Hz, 133 kHz
Output power (maximum)
3 watt maximum
12 watt w/external DC source(varies by frequency)
Output voltage (maximum) 70 Vrms
Output Protection 240 Vrms
Weight w/batteries (alkaline) 5.2 lbs (2.4 kg)
Battery Quantity and size 6 "C" alkaline (LR14)
Battery Life 40 hours typical (normal output level)
10 hours typical (high output level)
Rechargeable battery will extend operation
time by 40%
External DC power 9–18 V DC
Standard IP54
Regulatory CE, FCC
Operating Temperature -4°F to 122°F (-20°C to 50°C)
Storage Temperature -4°F to 158°F (-20°C to 70°C)