Transmitter specifications frequency (pulse) – Max Machinery 243 Helical Flow Meter User Manual
Page 8
Max Machinery, Inc.
© Copyright 2013
Rev. 002Q4
8
Supply Voltage
5-26 Vdc
Supply Current
25-30 mA typical
Output (5.0 Volt Supply)
No Load
0.00 / 4.80 Volts
(TTL and CMOS compatible)
2.5K Load to Common
0.00 / 4.60 Volts
2.5K Load to +5 Volts
0.25 / 4.80 Volts
Short Circuit Current
45 mA
Output Impedance
100
Ω
Rise/Fall Time
0.2
μSec
1
Output Update Rate
1 ms
Min/Max Frequency
0-60 kHz
Resolution
1 - 1000 pulses/rev, Single Phase
1 - 500 pulses/rev/phase, Quadrature
Ambient Temperature Range
Transmitter (Storage)–40ºC to 85ºC (–40ºF to 185ºF)
2
Transmitter (Operation) –40ºC to 80ºC (–40ºF to 175ºF)
Maximum Temperature, Process Fluid
For explosion proof models see:
(20ºC Ambient, 5V supply)
29X-X0X-XXX Standard Model 90ºC (195°F)
29X-X5X-XXX High Temp Model — 2 part model 225ºC (435°F)
Anti-dither Range
Software selectable from 1-100% of 1 revolution.
50% of a meter revolution - unidirectional
2% bidirectional are typical default settings
Signal Filtering
Software selectable from 1ms to 250ms time constant
1
Full step change is subject to signal damping
2
Temperature of metered fluid will affect transmitter temperature, see graph on previous page
Transmitter Specifications
Frequency (Pulse)