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cover, 3-6
critical flow, 5-7
critical orifice
replacing, 8-20
cursor, 4-4
cylindrical wick, 3-7
D
dat extension, 4-15
data average period, 4-7
data averaging period, 4-7
data logging, A-2
dead time, 6-2
description, 3-1
design of UCPC, 5-5
detector board, 3-10
diaphragm pump, 5-9
Diffusion Battery (See References), C-3
diffusional thermal CNC, 5-3
Digi connect ME configuration and management
screen, 7-3
Digi device discovery screen, 7-2
dimensions, A-3
display brightness, 4-12
display header, 4-5
DMA output, 3-4
drain, 4-10
drain butanol, 4-16, 8-5
drain port, 3-6
drain valve, 3-9
drying instrument, 4-17
drying of sheath air, 4-17
E
electronics board, 3-10
environment, 5-2
environmental operating conditions, A-2
error messages, 8-24
ESD precautions, 8-18, 8-19
ethernet, 7-1
Ethernet communication port, 3-5
exhaust filter, 3-9
replacing, 8-8
exit option, 4-6
external pump, 3-12
external vacuum pump
connecting, 8-23
installing, 8-22
replacing, 8-22
F
false background counts, A-1
false count check, 8-23
fill bottle, 2-3
bracket mounting, 2-3
fill with butanol, 2-3
filter, 3-9
filter replacement schedule, 8-6
filters
changing, 8-5
replacing, 8-6
firmware commands, 7-7, B-1
flash card, 4-6
flash logging, 4-7
flash memory board, 3-10
flash memory card, 3-12, 4-4, 4-15, 7-1
specification, 7-4
flash memory card slot, 3-2
flow control, A-1
flow mode, 4-6
flow rate, A-1
flow rate control, 3-12
flow schematic, 5-6
flow source, A-1
flow system, 5-7
flowmeter, 8-18, 8-20
front panel, 3-1
front panel display, 3-13, 8-20
fuse, A-3
G
getting help, xix
graph analog inputs, 4-12
graph display, 4-7
graph options, 4-11
menu, 4-11
H
hazardous gases
warning, 4-1
HELP commands, 7-7, B-1, B-9
information, 7-7
HEPA sheath filter, 3-9
high and low flow modes, 3-11
high flow, 5-7, 5-8
high vacuum pump, 3-9
history, 5-2
hot/humid environments, 4-7
how the instrument works, 1-2
HyperTerminal, 7-7
I–J
inlet flow mode, 4-8
inlet flow select, 4-8
inlet pressure, A-2
inlet pressure measurement, 3-13
inputs, 3-4, A-2, A-3
installing external vacuum pump, 8-22
instrument cooling fan, 3-6
instrument description, 3-1
instrument operation, 4-1
internal components, 3-7
internal data logging, 3-12
internal vacuum pump, 1-3, 3-6, 8-22, 8-23
K
Kelvin diameter, 5-1, 5-2
Index-2
Model 3776 Ultrafine Condensation Particle Counter