Differential Recorder Replacement Pens


Our standard Differential Recorder configuration uses a red pen for differential pressure measurement, a green pen for temperature measurement, and a black or blue pen for static pressure measurement.

For a standard three pen differential recorder, the pen configuration is as follows:

Top Pen:Differential Pressure.  Red Pen, Part Number: AR-3713-02-6

Middle Pen: Static Pressure.  Black or Blue Pen, Part Number: AR-3713-04-6 (Black) or AR-3713-03-6 (Blue)

Bottom Pen: Temperature.  Green Pen, Part Number: AR-3713-01-6


Standard DP Pen Colors

Red: Differential Pressure
Blue or Black: Static Pressure
Green: Temperature

Don't forget to add…