PW 4” Outdoor
Pressure Chart Recorder

Model #	Pressure Range	Recording Times	Stainless Steel Sensor	Price
PW450	0 to 100 PSI	7-Day		$419.00	Add to Cart
PW451	0 to 100 PSI	24-Hour		$419.00	Add to Cart
PW455	0 to 200 PSI	24-Hour		$419.00	Add to Cart
PW454	0 to 200 PSI	7-Day		$419.00	Add to Cart
PW456	0 to 300 PSI	7-Day		$419.00	Add to Cart
PW457	0 to 300 PSI	24-Hour		$419.00	Add to Cart
PW459	0 to 500 PSI	24-Hour		$419.00	Add to Cart

Notes:

Please keep in mind that the PW4 Pressure Chart Recorders are not suitable for monitoring ammonia, acids or other corrosive substances, and only the PW461 and PW462 are suitable for monitoring salt water.

Pressure Range:

0 to 300 PSI

Pressure Accuracy:

±2% full scale

Ambient Operating Conditions:

-22 to 122F (-30 to 50C), 0 to 100%

Power Source:

One AA battery (user replaceable)

Battery Life (Avg):

1 Year

Chart Size (Diameter):

4"

Recording Times:

7-Day

Response Time:

1 second

Calibration:

Standard Dickson Certificate of Calibration

Available Calibration Options:

User: None; Factory: zero point and span NIST traceable

Enclosure:

Velox PBT NEMA 4x

Dimensions (Inches/cm):

6.9x6.3x2.9
17.6x16.1x7.4

Fitting:

1/4" NPT thread, 5/8" Hex

Mounting:

Stem or keyhole slots for wall mounting

Weight:

1.8 lbs
2.7kg

Included Accessories:

One "AA" battery & pen

IP Rating:

IP56

Warranty:

12 Month Limited

A.K.A.:

Dickson PR4, Dickson PW4, Dickson Chart Recorder, Dickson Recorder, Dickson PR, Chart Recorder, Circular Chart Recorder, Pressure Chart Recorder, Water Pressure Chart Recorder, Gas Pressure Chart Recorder, Steam Pressure Chart Recorder, Pressure Recorder, Water Pressure Recorder, Gas Pressure Recorder, Steam Pressure Recorder

Qty.	Model #	Description	Price
	N100	NIST Traceable Calibration 1-pt. (Per New Unit)	$99.00
	N300	NIST Traceable Calibration 3-pt. (New Unit)	$156.00

Qty.	Model #	Description	Price
	P222	Replacement Pens - 6 Red (Temperature & Universal)	$39.00
	A791	Pressure Fitting Accessory Kit	$99.00
	A793	Fire Hydrant Adapter Kit	$158.00
	R022	Filter Kit (Includes Snubber) Recommended	$30.00
	A792	Steam Pressure Pigtail, 1/4" x 1/4" NPTM Brass	$32.00
	R006	"AA" Alkaline battery	$6.00

Charts must be ordered separately for this model.

Qty.	Model #	Description	Price
	C036	4" Chart, 0 to 300, 7 Day	$32.00

Manual:

PW4 Web Manual.pdf