CALIBRATION CERTIFICATE                                         DE

Flow Meter - bench calibration

 


Calibrator:      ____________________          Signature:       _______________________

 

Meter Model:   ____________________        Serial #:            _______________________

 

Project info

Project name:

Site name:

Date:

 

Bench calibration info

Calibration flow line depth:

Inches

Calibration flow line velocity:

fps

Calibration flume:  (2” Parshall flume –                      depth)

mgd                                       gpm

                  

Submersible sensor A      (8.0 inch calibration flow line)

Recorded depth following calibration:

Inches

Recorded velocity following calibration:

fps

Recorded flow following calibration:

mgd                                       gpm

Secondary depth check (inches):

Cal. line depth:

Meter depth:

 

Submersible sensor B       (8.0 inch calibration flow line)

Recorded depth following calibration:

Inches

Recorded velocity following calibration:

fps

Recorded flow following calibration:

                  mgd                                      gpm

Secondary depth check (inches):

Cal. line depth:

Meter depth:

 

Zero check – following removal from calibration flow line

Recorded depth following calibration:

Inches

Recorded velocity following calibration:

fps

Recorded flow following calibration:

  mgd                                     gpm

 

Ultrasonic depth sensor  (8.0 inch calibration flow line)

Ambient air temperature:

oC

Recorded depth following calibration:

Inches

Drnach Environmental certifies that the above information is true and the described instrument has been calibrated.  Verification is indicated by the results shown above.

 

 

 

Drnach Environmental, Inc.                                                                  

471 Weigles Hill Road

Elizabeth, PA 15037