biosystems PhD Ultra, Справочное руководство

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2.2.1 Text Only mode 16
2.2.2 Basic mode 17
2.2.3 Technician mode 17
2.2.3.1 PEAK READINGS 17
2.2.3.2 STEL READINGS 17
2.2.3.3 TWA READINGS 18
2.2.3.4 RUNTIME SCREEN 18
2.2.4 Changing operating modes 18
2.3 B
ATTERIES
18
2.3.1 NiCad battery pack 19
2.3.2 Disposable alkaline battery pack 19
2.3.3 Low battery alarms 19
2.3.3.1 LOW BATTERY ALARM SETTINGS FOR NICAD BATTERY PACKS 19
2.3.3.2 LOW BATTERY ALARM SETTINGS FOR ALKALINE BATTERY PACKS 19
2.3.4 Recharging NiCad battery packs 19
2.3.4.1 CHARGING PROCEDURE WITH NICAD BATTERY PACK INSTALLED 20
2.3.4.2 CHARGING THE NICAD BATTERY PACK SEPARATELY FROM THE INSTRUMENT 20
2.3.4.3 “CYCLING” NICAD BATTERY PACKS 20
2.4 M
ETHODS OF SAMPLING
21
2.4.1 Using the hand aspirated sample draw kit 21
2.4.2 Continuous (slip-on) sample draw pump 21
2.4.2.1 USING THE CONTINUOUS SAMPLE DRAW PUMP 22
2.4.2.2 PROTECTIVE “LOW FLOW” SHUT-DOWNS 23
2.4.2.3 RESUMING DIFFUSION MONITORING 23
2.4.3 Sample probe assembly 23
2.4.3.1 CHANGING SAMPLE PROBE FILTERS 23
2.4.3.2 CHANGING SAMPLE PROBE TUBES 23
2.5 B
IOSYSTEMS
EEPROM
EQUIPPED
“S
MART
S
ENSORS
” 24
2.5.1 Identification of type of sensor by instrument 24
2.5.2 Other information stored with the sensor EEPROM 24
2.5.3 Sensor replacement 24
2.5.4 Missing sensor 24
2.5.5 “Can’t ID sensor” 24
CHAPTER 3 CALIBRATION 25
3.1 V
ERIFICATION OF ACCURACY
25
3.1.1 Effect of contaminants on PhD Ultra sensors 25
3.1.1.1 EFFECTS OF CONTAMINANTS ON OXYGEN SENSORS 25
3.1.1.2 EFFECTS OF CONTAMINANTS ON COMBUSTIBLE SENSORS 25
3.1.1.2.1 Effects of high concentrations of combustible gas on the combustible sensor 26
3.1.1.3 EFFECTS OF CONTAMINANTS ON TOXIC GAS SENSORS 26
3.1.2 Biosystems “CO Plus” dual purpose carbon monoxide / hydrogen sulfide sensor 26
3.1.2.1 RELATIVE RESPONSE OF THE “CO PLUS” SENSOR TO CARBON MONOXIDE AND HYDROGEN
SULFIDE 27
3.1.3 Choosing the correct calibration gas mixture 27
3.2 F
RESH AIR
"
ZERO
"
CALIBRATION
27
3.3 F
UNCTIONAL
(
BUMP
)
TEST
28
3.4 A
UTO
-
CALIBRATION
28
3.4.1 Fresh air "zero" auto-calibration sequence 28
3.4.1.1 READING “TOO HIGH” OR “TOO LOW” FOR ZERO ADJUST 29
3.4.2 “Span” auto-calibration sequence 29
3.5 M
ANUAL CALIBRATION PROCEDURE
30
3.5.1 Manual fresh air "zero" through keypad buttons 30