Transmitter specifications analog – Max Machinery 243 Helical Flow Meter User Manual
Page 7
Max Machinery, Inc.
© Copyright 2013
Rev. 002Q4
7
Transmitter Specifications
Analog
Supply Voltage
12 Vdc
(Models 29X-XXX-100)
24 Vdc
(Models 29X-XXX-000)
Supply Current
90 mA max@ 12 Vdc, 45 mA max@ 24 Vdc
Short Circuit Current
21 mA
1
Output Update Rate
1 ms
Resolution
Adjustable without recalibration to any range of
± 10 Vdc
Model 29X-3XX-XXX or
± 20 mA Model 29X-2XX-XXX
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)
Standard Model 90ºC (195°F) – Models 295 & 296
High Temp Model – Model 296
Ultra-High Temp Model 225ºC (435°F) – Models 295 & 296
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 1 ms to 64 sec. time constant
1
Full step change is subject to signal damping
2
Temperature of metered fluid will affect transmitter temperature, see graph below
Model 29X Transmitter Series
-25
0
50
20
40
60
80
100
120
100
150
200
250
300
Process Temperature °C
Ambien
t T
emper
at
ur
e °C
225
110
Ultra High
temperature
2 part pickup
Standard
High
temperature
2 part pickup
295 & 296
296
295 & 296