read from instrument
3
Thermometer
No Yes Yes Yes Yes Yes
(alpha-numeric, characters) Emissivity Non-greyness Temp Units Current Output Set user the range 0.000 (default 1.000 NG: 2mA=0.D.100 1.1s increments Off Delay: 10s' 0.800; 20mA=1.250 None time function selected Averager Adjustable response speed permitting
8
Time Function (see Chapter 6.800 1.1s increments Track and Hold Tracks temperature value when enabled and holds when disabled Alarm Yes
AL1 Level (°) Set alarm temperature level Mode Low Alarm: indicates when the process
temperature falls below the set specified limit High Alarm: alarm level set high range value Ambient Alarm: alarms when the internal thermometer temperature exceeds the safe internal ambient limit E/NG Lost Alarm: alarm set indicate loss emissivity/non-greyness signal Obscuration Alarm: alarm level set indicate excessive obscuration (Ratio thermometers only) PP307 Page 13
.000) Temperature display option °F
Max Temp/Min Temp User defined temperature
span (set within the thermometer temperature range minimum selectable span 50°C/90°F) Mode User defined, 20mA 20mA Emissivity Control Yes interface
Serial Set emissivity via serial port web 0-20mA Set via external linear current signal 2mA=0.0)
Yes
smoothing the temperature output signal relation the temperature input (Time Constant 512s') Peak Picker Allows the user monitor the highest temperature values rapidly varying process Mode: ‘Reset Hold’ Threshold: ‘Tmin° Tmax°’ Decay Rate: 512°/s' Delay: 10s' 0.000) Set user the range 0.User Guide Item Description Temperature User Cal User Settable Yes Function Dynamic temperature display For advanced users wishing make single-point adjustment match the thermometer reading with local temperature reference measurement WARNING Changing this figure from the default (1000), temporarily changes the calibration the instrument's temperature output, indicated red LED
Type Instrument type read from instrument Label Instrument I.250 (default 1.100; 20mA=1
