4" (101mm) Pressure Chart Recorder

This product has been replaced by the PW470

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 PSI, 7-Day
  • Compact and durable design
  • Single AA battery operation
Important Information

Charts are sold separately.

Dickson Expert Services

Our Dickson Data Division has specially trained representatives to address the needs of customers with large installations or unique demands. Please call 888-452-4626.

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Description 8" (203mm) Pressure Chart Recorder, 0-100 PSI, 7-Day 0-100 PSI Pressure Logger with Display, USB and Flash Memory Download, IP68 enclosure
Price $629.00 $499.00
Battery Operation Icon-compare-check Icon-compare-check
Pressure Range
  • 0 to 100PSI
  • 0 to 100PSI
Pressure Accuracy
  • 2% of Full Scale
  • 1%
Compare Compare
Add to Cart Add to Cart
  • Ambient Operating RH Conditions 0-95% RH non-condensing
  • Ambient Operating Temperature Conditions -22 to 122F (-30 to 50C)
  • Battery Life (Avg) 1 Year
  • Calibration Options N100, N300
  • Channels CH1: Pressure
  • Chart Rotation Speed 7 Day
  • Dimensions 2.9 x 6.9 x 6.3in
  • Enclosure Velox PBT NEMA 4X Weather Resistant
  • Fitting 1/4" NPT Thread, 5/8" Hex
  • IP Rating 56
  • Included Accessories One AA Battery, Red Pen and Quick Start Guide. *Charts sold separately.
  • Mounting Options Stem or Wall Mount (With Keyhole)
  • Power Source Battery; One AA Battery (User Replaceable)
  • Pressure Accuracy 2% of Full Scale
  • Pressure Range 0 to 100PSI
  • Response Time 1 Second
  • Unit Weight 3 lbs
  • Units/Pkg 1
  • Warranty 12-Month Limited
Why should I calibrate?

All instruments lose accuracy over time due to normal usage and the environmental conditions to which they are exposed.

How often should I calibrate?

For most applications, the recommended calibration interval is every twelve months.

N100 1-Point NIST Traceable Calibration $99.00 Add
N300 3-Point NIST Traceable Calibration $156.00 Add
What is NIST Calibration

NIST stands for the National Institute for Standards and Technology. This organization is responsible for maintaining the master for different measurements, such as the standard "foot", standard, "second", or standard "pound". NIST also maintains the standard for temperature, humidity and pressure.

NIST Traceable means that the measuring standard can be traced directly back to the master standard maintained by the NIST organization.

NIST-Traceable does not tell you the measurement accuracy of a metrologty service in any detail. Only metrology services that can document their ISO 17025 standard provided data on their best measurement uncertainty.

A791

$149.00

Pressure Kit

Pressure Fitting Accessory Kit
Add to Cart

A792

$39.00

Pressure Pigtail

Steam Pressure Pigtail
Add to Cart

A793

$158.00

Hydrant Kit

Fire Hydrant Adapter Kit
Add to Cart

R006

$6.00

AA Battery

AA Alkaline Battery
Add to Cart

R022

$30.00

Pressure Filter Kit

Filter Kit includes Snubber
Add to Cart
C012 4" (101mm) Chart 7-Day, 0 to 100 $45.00 Add
P222 6 Red Pens $49.00 Add
For more information on this product and other 4" Pressure Chart Recorders products see the 4" Pressure Chart Recorders page.

Why won't the pen respond to pressure changes?

If the pen does not respond to pressure changes there may be a clog in the capillary. The unit will need to be serviced by Dickson.

Why doesn't the chart rotate?

Make sure the chart is not hung up or restricted.

Make sure the pen does not have too much tension, pinching the chart to the dial plate.

Make sure there is a good battery being used and it's in correctly.

Make sure the center strip of the chart is inserted properly into the black center hub of the recorder, making sure the chart is not ripped or torn.

Why does calibration seem to be off?

What is the tolerance of the unit it is being compared to?

It's ok if the unit is within the sum of the two tolerances

Remember that the unit's tolerance speaks to the Chart Recorder only, there is any additional that applies to the probe

Has an outside calibration house attempted calibration? It may not have been adjusted properly

When was the last time the unit was sent to the Dickson Calibration Lab for a recalibration?

Walk through zero adjustment, found in the manual

For units with Pen Adjustment - rotate screw to adjust the unit to match another unit of greater accuracy after both units have stablized in the same environment.

Chart Recorders - make sure the correct chart is being used.

K-Thermocouple Units
K-Thermocouple capable units are capable of using any K-type thermocouple probe or extension but keep in mind that long extensions to extend the distance may require a Zero adjustment. (Refer to manual)
As a general rule: If the unit is not responding properly, and you have more than one thermocouple, swap probes to see if it is the probe or the unit that is defective.

Voltage Recorders

Make sure the output signal of the transmitter is calibrated to its full measuring range. 

Make sure the range selected on the recorder matches the transmitter exactly and that the proper chart is being used.

Why are the pen traces erratic?

Is Pen Arm screw secure?

Is the Chart Recorder sitting on or mounted to a surface prone to vibration?

For Temperature units try removing the unit from the application and placing it in an isolated, low air flow environment like a zip lock freezer bag or desk drawer. If the pen traces straighten out, the traces may have actually been caused by the changes in your application.