Fisher Weather Radio 244ER User Manual
Appendix
A-1
Appendix
A
Reference Data
Transmitter Specification . . . . . . . . . . . . . . . . . . . . . . . . . . page A-1
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-6
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-6
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-9
TRANSMITTER
SPECIFICATION
SPECIFICATION
Functional
Inputs
User selectable using the Model 244EC Configuration Interface and the
Models 244EH and 244ER configuration software; sensor terminals
rated to 42.4 V dc. See Table A-2 on page A-3.
Models 244EH and 244ER configuration software; sensor terminals
rated to 42.4 V dc. See Table A-2 on page A-3.
Output
Two-wire 4–20 mA, linear with temperature for RTDs and
thermocouples, and linear with input for millivolts and ohms
thermocouples, and linear with input for millivolts and ohms
Isolation
Input to output isolation tested up to 500 V ac rms (707 V dc) at
50/60 Hz
50/60 Hz
Power Supply
External power supply required. The transmitters operate on 12.0 to
42.4 V dc terminal voltage. Transmitter power terminals rated to
42.4 V dc.
42.4 V dc terminal voltage. Transmitter power terminals rated to
42.4 V dc.
Load Limitations
Ambient Temperature Limits
Operating
Storage
–40 to 85 °C (–40 to 185 °F)
–50 to 120 °C (–58 to 248 °F)
1322
1000
750
250
0
10
12.0
20
30
40 42.4
Supply Voltage (V dc)
Maximum Load = 43.5
3
(Supply Voltage – 12.0)
Operating
Region
4–20 mA dc
Load
(Ohms)
500
24
4-2
4
4
01A