Max Machinery 289 Series Flow Meter Transmitters - Manual (Page 4)

( 3 ) 289-760-350 © 1987 (Rev 5/06) Max Machinery, Inc.
Specifications
289-763/773 5V Square Wave Output:
Power Requirements:
Voltage (5V regulator on PCA) . . . . . . . . . . . . . . . . . . . . .5-24VDC
Nominal (3.5-30V Max)
Current (No Load)
Supply Voltage Operating Calibrating
3.5V 1.1mA 1.6mA
5.0 - 24.0V 1.8mA 3.0mA
Output Signal
Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Square Wave
Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V
Rise and Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3µS
Output Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<200ohms
Maximum Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5kHz
Minimum Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1/50Hz
Output vs Load: (Supply > 5.2V)
Load mA Output Low Output Hi
0.1mA 0V 5.00V
1.0mA 0V 4.85V
5.0mA 0V 4.25V
10.0mA 0V 3.45V
Temperature Limits (All Models):
Operating
Electronics . . . . . . . . . . . . . . . . . . . . . . . . . .-5 to 150F (-20 to 65C)
Pickup Coil . . . . . . . . . . . . . . . . . . . . .-148 to 450F (-100 to 232C)
Storage
Electronics . . . . . . . . . . . . . . . . . . . . . . . . .-40 to 175F (-40 to 80C)
Pickup Coil . . . . . . . . . . . . . . . . . . . . .-148 to 450F (-100 to 232C)