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OMNI-Test Laboratories, Inc.
Control No. C-SFAK-0001, Effective date: 12/2/2015
Page 1 of 1
DIFFERENTIAL PRESSURE GAUGE CALIBRATION DATA SHEET
Instrument to be calibrated: Pressure Transducer
Maximum Range: 0
– 2” H
2
O ID Number: OMNI-00371
Calibration Instrument: Digital Manometer ID Number: OMNI-00633
Date: 11/30/2020 By: Tony Tong
This form is to be used only in conjunction with Standard Procedure C-SPC.
*Acceptable tolerance is 4%.
The uncertainty of measurement is ±0.4
” WC. This is based on the reference standard having a TAR (Test
Accuracy Ratio) of at least 4:1.
Technician signature: Date:
Reviewed by: Date:
Range of
Calibration Point
(
″WC)
Digital
Manometer Input
(
″WC)
Pressure Gauge
Response
(
″WC)
Difference
| Input
–
Response |
% Error of
Full Span
*
0-20% Max. Range
0.0
– 0.4
0.088 0.103 0.015 0.75
20-40% Max. Range
0.4
– 0.8
0.476 0.490 0.014 0.70
40-60% Max. Range
0.8
– 1.2
0.971 0.984 0.013 0.65
60-80% Max. Range
1.2
– 1.6
1.427 1.435 0.008 0.40
80-100% Max. Range
1.6
– 2.0
1.700 1.705 0.005 0.25
11/30/2020
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11/30/2020