Michell Instruments WM281, Руководство пользователя

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WM281/291 User’s Manual
18 97463 Issue 1, July 2014
appendix B
187
High Limit of Analog
output for Frost Point
R/W - - - 0 -
get/Set Maximum value of Frost
Point output
190 –
218
RESERVED R - - 0 0 - -
219 Digital Humidity Filter R/W 0.0 20.0 0.5 1 Seconds
get/Set Digital Filter value for
Humidity input
220
Humidity Offset
Correction
(Single Point
Calibration)
R/W -999.0 999.0 0.0 1 %
get/Set Single Point Calibration
offset for Humidity input
221 –
399
RESERVED R - - 0 0 - -
400 Temperature Unit R/W 30 31 30 0 -
get/Set Temperature Unit 30 =
°C 31 = °F
401 –
403
RESERVED R - - 0 0 - -
406 –
419
RESERVED R - - 0 0 - -
420
Calculated Variable
Type
R/W 0 5 0 0 -
get/Set Calculation Type
0 = Dew Point
1 = Mixing Ratio
2 = Absolute Humidity
3 = Enthalpy
4 = Frost Point
421
LCD Contrast and
Backlight
R/W 0 128 5 0 -
get/Set LCD Contrast and
Backlight Settings
Bit 0 – 6 are used for LCD
Contrast Level (0 to 9)
Bit 7 is used for LCD Backlight
control (1 = ON, 0 = OFF)
422
Michell Identifier
String
R - - “DI” 0 - Returns constant string “DI”
423
Michell Identifier
String
R - - “gI” 0 - Returns constant string “gI”
424
Michell Identifier
String
R - - “CO” 0 - Returns constant string “CO”
425
Michell Identifier
String
R - - “RT” 0 - Returns constant string “RT”
426
Michell Identifier
String
R - - “29” 0 - Returns constant string “29”