Fisher 444 Alphaline Weather Radio User Manual


 
Rosemount Model 444 Alphaline Temperature Transmitters
3-6
TABLE 3-2. Coarse Zero
Jumper Location, Model
444TJ, TK, TF, TT, and MV
Range Code 1.
FIGURE 3-3. Location of
Burnout Protection Jumper
on Model 444T Range
Board.
FIGURE 3-4. Compensated
Thermocouple Simulator
Calibration Diagram.
.
Transmitter Base Region
Coarse Zero
Jumper Location
°C °F mV
–50to50
50 to 100
–58to122
122to302
-2 to 3
3to8
Z1
Z2
NOTE
Range Codes 2 and 3 are continuously adjustable over the range
showninTable1.(NoCoarseZeroJumper)
444-0010ACCA
Burnout R2, R3
Protection Resistors
444-0216A
DVM
DVM
Power
Supply
Readout Resistor
(Alternate Readout)
Transmitter
Thermocouple
Simulator
Thermocouple
Wire
+
+
–+
+
+