Hach sc200, Руководство пользователя, Страница: 569 / 875

7
A I R D I S T R I B U T I O N C O R R E C T I O N F A C T O R S
ENT. WATER TEMP. °F 180 200 220 240 260 270 280 290 300 315 345 370 385
STEAM PRESS. PSIG — — — — 2 5 10 15 20* 30* 50* 75* 100*
40 1.18 1.10 1.03 0.98 0.93 0.91 0.88 0.86 0.84 0.82 0.77 0.74 0.72
50 1.23 1.14 1.07 1.01 0.96 0.95 0.92 0.89 0.87 0.84 0.80 0.76 0.73
60 1.29 1.19 1.11 1.05
1.00
0.98 0.94 0.92 0.90 0.87 0.82 0.78 0.75
70 1.35 1.24 1.15 1.08 1.04 1.02 0.98 0.95 0.93 0.89 0.84 0.80 0.77
80 1.43 1.30 1.20 1.13 1.08 1.06 1.02 0.99 0.97 0.93 0.87 0.83 0.80
NOISE LEVEL CLASSES
TABLE 7
AIR DENSITY RATIO
GRAPH 1
TABLE 6
ENT. AIR
TEMP. °F
Movie-theatres — Coliseums — Ballrooms — Banquet rooms — Supervisor’s office — Reception
rooms — Public libraries — Museums — Court rooms
Lobbies — Laboratories — Recreation halls — Waiting rooms — Restaurants — Night clubs —
Department stores (upper floors) — Bowling alleys — Gymnasiums — Lounges — General open
offices — Drafting rooms
Kitchens — Washrooms and toilets — Cafeterias — Department stores (main floors) —
Supermarkets — Swimming pools — Garages — Laundries — Foreman’s office — Halls and corridors
Factories — Mills — Heavy machinery maintenance — Foundries
1
2
3
4
CLASSES TYPE OF AREA
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
-40
AIR TEMPERATURE (
°
F)
FACTOR (AIR DENSITY RATIO)
-20 0 20 40 60 80 100 120 140 160 180 200
SEA LEVEL
1000 FEET
2000 FEET
3000 FEET
4000 FEET
5000 FEET
6000 FEET
7000 FEET
8000 FEET
9000 FEET
10000 FEET
11000 FEET
12000 FEET
13000 FEET
14000 FEET
15000 FEET
*
Special high pressure steam unit on request.
UNIT HEATERS