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Palmer Wahl AR-3715 | Differential Pressure Recorder Replacement Pens | Red, Black, Blue, Green
Part Number : AR-3715
AR-3715 is the part number series for replacement pens on Palmer differential pressure (DP) chart recorders. The pen colour identifies what each position records: red for differential pressure, black or blue for static pressure scan and green for temperature scan, so the suffix you order must match the position on your recorder.
Key features
- AR-3715-01-6: red pen, top position, differential pressure
- AR-3715-58-6 (black) or AR-3715-02-6 (blue): static pressure scan pen
- AR-3715-03-6: green pen, temperature scan
- Covers 1-pen DP, 2-pen DP/temperature, 2-pen DP/pressure and 3-pen DP/pressure/temperature recorders
On a standard three-pen recorder the order is red at the top, black in the middle and green at the bottom.
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