Germfree LFGI-3USP - Page 80

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Installation and Operation
Manual
Series A3 & A4
 (kPa) – Kilopascals
 (PSI) – Pounds per square inch
 (inHg) – Inches of mercury
 (mmHg) – Millimeters of mercury
 (mBAR) – Millibars
 (ftWc) – Feet of water column
 (oz in) – Ounce inches
Velocity* **
 (SFPM) – Standard feet per minute
 (M/S) – Meters per second
Flow* **
 (SCFM) – Standard cubic feet per minute
 (M3/S) – Cubic meters per second
*The displayed reading is based on standard conditions – dry air at 70° F and a
barometric pressure of 29.92 inches of mercury.
**The control will automatically switch to x10 or x100 for velocity or flow when
the reading exceeds four digits. This will be indicated on the LED by alternating
the flow or velocity reading with the “α10” or “α100” symbol. The maximum
displayed velocity or flow will be 9999 x100 regardless of units.
Maximum Displayed Pressures
inWc ftWc mmWc cmWc PSI inHg mmHg mBAR Pa kPa oz in
0.250 0.021 6.350 0.635 0.009 0.018 0.467 0.623 62.27 0.062 0.145
0.500 0.042 12.70 1.270 0.018 0.037 0.934 1.245 124.5 0.125 0.289
1.000 0.083 25.40 2.540 0.036 0.074 1.868 2.491 249.1 0.249 0.578
2.000 0.167 50.80 5.080 0.072 0.147 3.737 4.982 498.2 0.498 1.156
3.000 0.250 76.20 7.620 0.108 0.221 5.605 7.473 747.3 0.747 1.734
4.000 0.333 101.6 10.16 0.145 0.294 7.473 9.964 996.4 0.996 2.312
5.000 0.417 127.0 12.70 0.181 0.368 9.342 12.45 1245 1.245 2.890
8.000 0.667 203.2 2
0.32 0.289 0.588 14.95 19.93 1993 1.993 4.624
10.00 0.833 254.0 25.40 0.361 0.736 18.68 24.91 2491 2.491 5.780
15.00 1.250 381.0 38.10 0.542 1.103 28.02 37.36 3736 3.736 8.671
20.00 1.667 508.0 50.80 0.723 1.471 37.37 49.82 4982 4.982 11.56
30.00 2.500 762.0 76.20 1.084 2.207 56.05 74.73 7473 7.473 17.34
 Resolution (Res) – The pressure reading on the LED display can be shown
with 3 or 4 digits. In some cases, the fourth digit is outside of the accuracy
of the product and insignificant. If the fourth digit is used and is
insignificant, there may be fluctuations in that digit.
 3 Digit (3 dig) – 3 digit display
 4 Digit (4 dig) – 4 digit display
 Display (Dis) – In addition to the selectable units for pressure, velocity, and
flow, the display can also be configured to read as a percent output.
 Standard (std) – Displays selected engineering unit
 Percent (pct) – Displays 0-100% instead of the selected engineering
unit