4″ Pressure Chart Recorder


Dickson best selling pressure monitoring instruments. Our 4-inch (101mm) line of recorders produce a permanent visual record of your variable pressure data. These recorders provide a complete written history at the source.

  • 0-100, 0-200, or 0-1000 PSI
  • 7-Day or 24-Hour recording
  • Compact and durable design
  • Single AA battery operation

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Pressure Range

0-100 PSI, 0-200 PSI, 0-300 PSI, 0-500 PSI

Chart Recording Time

24-Hours or 7-Days, 24-Hours


 PW470 / PW474 / PW476 / PW479
Ambient Operating RH Conditions0-95% RH non-condensing
Ambient Operating Temperature Conditions-22.0 to 122.0F (-30.0 to 50.0C)
Battery Life (Avg)1 Year
Calibration OptionsN100, N300
ChannelsCH1: Pressure
Chart Rotation SpeedPW470 / PW474 / PW476: 7 Day or 24 Hour Switchable
PW479: 24 Hour
Dimensions6.25 x 6.0 x 2.9in
EnclosureVelox PBT NEMA 4X with Polycarbonate Door Window (Weather/Water Resistant)
Fitting1/4" NPT Thread, 5/8" Hex
IP Rating66
Included AccessoriesOne AA Battery, Red Pen and Quick Start Guide.

*Charts sold separately.
Mounting OptionsStem or Wall Mount (With Keyhole)
Power SourceBattery; One AA Battery (User Replaceable)
Pressure Accuracy2% of Full Scale
Pressure RangePW470: 0.0 to 100.0PSI
PW474: 0.0 to 200.0PSI
PW476: 0.0 to 300.0PSI
PW479: 0.0 to 500.0PSI
Response Time1 Second
Unit Weight1.8 lbs
Warranty12-Month Limited

Chart Paper

Chart RecorderSKUChart SKUTime RangeChart Range
8" Pressure
(0-100 PSI)
PW861C41024-Hour0 to 100
8" Pressure
(0-100 PSI)
PW860C4127-Day0 to 100
8" Pressure
(0-200 PSI)
PW864C4367-Day0 to 200
8" Pressure
(0-1000 PSI)
PW875C44124-Hour0 to 1000
4" Pressure
(0-100 PSI)
PW470C01024-Hour0 to 100
C0127-Day0 to 100
4" Pressure
(0-200 PSI)
PW474C02624-Hour0 to 200 PSI
C0407-Day0 to 200 PSI
4" Pressure
(0-300 PSI)
PW476C02224-Hour0 to 300 PSI
C0367-Day0 to 300 PSI
4" Pressure
(0-500 PSI)
PW479C02824-Hour0 to 500 PSI
C0567-Day0 to 500 PSI


Support is included with your purchase of a Dickson product. You can choose from self-help options like support articles, FAQs, and online manuals or you can chat with us, call our live tech support, or submit a ticket.

Almost all Dickson products are covered by Dickson’s Manufacturer’s Warranty.

Optional Accessories …