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” WC ID Number: OMNI-00336
Calibration Instrument: Digital Manometer ID Number: OMNI-00395
Date: 1/17/2018 By: B. Davis
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: 1/18/2018
Reviewed by: Date:
Range of
Calibration Point
(″WC)
Digital
Manometer
Input
(″WC)
Pressure Gauge
Response
(″WC)
Difference
(Input -
Response)
20-40% Max. Range
0.4 - 0.8
40-60% Max. Range
0.8 – 1.2
60-80% Max. Range
1.2 – 1.6
80-100% Max. Range
1.6 – 2.0