P703B:

• 3 channels
• Powers three separate 700 Series accelerometers and DC decouples the output
• Battery powered (line adaptor optional)
• Battery condition light
• Uses common 9 VDC transistor batteries
• Can drive up to 50 ft. of cable

P704B

• Powers most 700 Series Accelerometers
• Battery powered (line adaptor optional)
• Portable and lightweight
• Battery condition light
• Uses readily available 9 VDC transistor batteries

INPUT CHARACTERISTICS
Voltage to Transducer .................................................... 27 VDC (1)
Current to Transducer, ±20 %......................................... 2.4 mA DC
Maximum Input Voltage ................................................. 10 V rms (P703B only)

OUTPUT CHARACTERISTICS
Output Impedance (accelerometer attached to input) .... same as transducer
Recommended Load Impedance ................................... >100 kΩ
Decoupling Cap ............................................................. 22 µV, 35 VDC (P704B only)

TRANSFER CHARACTERISTICS
Frequency Response ..................................................... same as transducer
Channels ........................................................................ 3 (P703B only)
Channel Separation ....................................................... >80 dB (P703B only)

BATTERY TEST CIRCUIT
LED Lights ..................................................................... >18 VDC
Battery Life:
P703B .................................................................... >40 hours
P704B .................................................................... >120 hours

POWER REQUIREMENTS
Batteries2 ......................................................................... (3) 9 V alkaline

ENVIRONMENTAL
Temperature Range ....................................................... 0 to 55°C

PHYSICAL CHARACTERISTICS
Size ............................................................................... 3" width, 2.4" height, 4" depth
Weight ............................................................................ 0.84 lb
Connectors:
Signal Input ............................................................ BNC
Signal Output ......................................................... BNC

NOTES:
(1) 25.2 VDC when using Ni-Cad batteries.
(2)9For extended operation, the NC3 Ni-Cad Battery Kit should be used (see accessories section).

OPTIONS: Model P703BT for use with Models 733 and 993 triaxial accelerometers.

ACCESSORIES SUPPLIED: (3) 9 V alkaline batteries.

ACCESSORIES AVAILABLE: NC3 Ni-Cad battery kit; LA704B (110V) Line Adaptor; LA704B-220 (220V) Line Adaptor; BNC Series adaptors