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PennsylvaniaPressure gauge calibration

Pennsylvania Pressure Gauge Calibration

A person seen from the side holds a dial gauge on a portable test box.
A person in a plaid shirt, seen from the side, holds a dial gauge on a portable test box by a factory window.

Pennsylvania Pressure Gauge Calibration · Updated 2026-11-06

Pressure gauge calibration in Philadelphia

Pressure gauge calibration is the request you can send for work in Philadelphia.

Philadelphia Water Department form 79-770 is the city’s backflow test record, and section II of that form is the test-instrument calibration block.

You can send a pressure gauge calibration request for work in Philadelphia from this page.

Form 79-770 asks a city-certified technician for calibrated by, calibrated on, and next calibration due.

The form does not print how many months that next due line must cover.

Send a request

Is this a pressure gauge you need calibrated for work in Philadelphia?
Is the instrument a pressure gauge you need calibrated, rather than a consumer tire gauge, a home plumbing part, or scrap?

Pennsylvania Pressure Gauge Calibration receives this request and replies by email.

Sending this request does not mean a calibration company will call. The request stays with Pennsylvania Pressure Gauge Calibration until one company that does this job is named.

Home / Counties / Philadelphia

Form 79-770 is a backflow prevention assembly test and maintenance record for the City of Philadelphia. A city-certified technician completes it.

Section II is labeled test instrument calibration information. The printed lines are calibrated by, calibrated on, and next calibration due.

The repair note says all repairs and replacements must be completed within fourteen (14) days. That sentence is about the assembly repair, not a calibration interval for the gauge.

Completed forms go to PWD Industrial Waste and Backflow Compliance at 9001 State Road, Philadelphia, PA 19136.

THIS FORM (79-770) MUST BE COMPLETED BY A CITY CERTIFIED TECHNICIAN. II. TEST INSTRUMENT CALIBRATION INFORMATION. CALIBRATED BY. CALIBRATED ON. NEXT CALIBRATION DUE. ALL REPAIRS / REPLACEMENTS MUST BE COMPLETED WITHIN FOURTEEN (14) DAYS. SEND COMPLETED FORMS TO: PWD INDUSTRIAL WASTE & BACKFLOW COMPLIANCE, 9001 STATE ROAD, PHILADELPHIA, PA 19136.

Philadelphia Water Department form 79-770

Lines printed on Philadelphia Water Department form 79-770.
Line on the formWords the form prints
Who completes itA city certified technician
Section IITest instrument calibration information
Calibration linesCalibrated by, calibrated on, next calibration due
Repair noteFourteen (14) days for repairs and replacements
Where the form goes9001 State Road, Philadelphia, PA 19136

What was not measured

What was not measured: form 79-770 does not state a fee, a turnaround, or a number of months for the next calibration due line.

Questions this page can answer

Section II is test instrument calibration information. The lines are calibrated by, calibrated on, and next calibration due.

No. The form says all repairs and replacements must be completed within fourteen (14) days. That line is the repair note.

Related: Counties and Pittsburgh.

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