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8" (203mm) Pressure Chart Recorder

Pressure recording with a full 8-inch (203mm) diameter chart. These 8" (203mm) easy-to-ready pressure charts show 3x as much data as our 4" (101mm) and they are contained in a splashproof enclosure. Create a permanent visual record of your pressure data with the greatest detail.

  • 0-1000 PSI, 24-Hour
  • Splashproof case with IP66 rating
  • Corrosion resistant case
  • Single AA battery operation
Calibration Method

Calibration ensures Regulatory and Audit Compliance

PW875
$779.00
Pw875 front 775
Pw875 lft angle 625
Pw875 open w chart 489
Pw875 lft side 460
Pw875 rt side 334
Pw875 open no chart 275
Pw875 back 203
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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 8" (203mm) Pressure Chart Recorder, 0-200 PSI, 7-Day 8" (203mm) Pressure Chart Recorder, 0-300 PSI, 7-Day 8" (203mm) Pressure Chart Recorder, 0-1000 PSI, 24-Hour
Price $654.00 $654.00 $654.00 $779.00
Battery Operation Icon compare check Icon compare check Icon compare check Icon compare check
Pressure Range
  • 0 to 100PSI
  • 0 to 200PSI
  • 0 to 300PSI
  • 0 to 1000PSI
Pressure Accuracy
  • 2% of Full Scale
  • 2% of Full Scale
  • 2% of Full Scale
  • 2% of Full Scale
Compare Compare Compare Compare
Add to Cart Add to Cart 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 24 Hour
  • Dimensions 3.6 x 10.3 x 9.5in
  • Enclosure Plastic NEMA 4X Case with Window in Door
  • Fitting 1/4" NPT Thread, 5/8" Hex
  • IP Rating 66
  • 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 1000PSI
  • Response Time 1 to 5 Seconds
  • Unit Weight 2.9 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.

$149.00
Pressure Kit

Pressure Fitting Accessory Kit

$30.00
Pressure Filter Kit

Filter Kit includes Snubber

$6.00
AA Battery

AA Alkaline Battery

$158.00
Hydrant Kit

Fire Hydrant Adapter Kit

$39.00
Pressure Pigtail

Steam Pressure Pigtail

C441 8" (203mm) Chart 24-Hour, 0 to 1000 $48.00 Add
P222 6 Red Pens $52.00 Add
For more information on this product and other 8" Pressure Chart Recorders products see the 8" Pressure Chart Recorders page.

Frequently Asked Questions

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.

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.

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.

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.