P4 Precision Dry Pressure

Higher Reliability, Faster Installation, Superior Accuracy | Sense the Difference
Precision calibrated 0.25% and 0.50% accuracy models
Standard industry leading 7-point NIST certification
LCD display option
LED status indication and Zero push button and contact closure
PATENTED DESIGN

7-point NIST certificate; more accuracy points than any competitor
0.25% and 0.50% accuracy versions available from 0.25" to 25" W.C.
Precision calibrated, temperature compensated, non-positiion-sensitive pressure element
Versatile duct, filter, or remote mounting; address all with a single unit with RP-6 probe addition
DIN mount - forward for LCD panel or sideways for panel space savings
0-5VDC/10VDC or 4-20 mA loop & 3 wire powered versions
Conduit cover for 3/8” flex connectors
LED facilitates locating sensor in ductwork

Categories: Dry Pressure Sensors, HVAC Sensors & Field Devices, Instrumentation

Now with NIST calibrated 0.25% and 0.50% accuracy options, the P4 dry media pressure transmitter features fixed ranges optimized for building (zone) pressure, filter measurement, and static duct applications. Innovative static probe integrates with unit or can be mounted remotely for static pressure. PATENTED DESIGN CALL FOR SPECIAL PRICING

Building (zone) pressure
Filter condition measurement
Duct/static OEM HVAC

Meets 0.25% or 0.5% accuracy specs

Power Supply		12-30VDC/24VAC(1), 30mA max
Output type	Outputs Available	4-20mA loop powered, 4-20 mA 3-wire, 0-5VDC, 0-10VDC
Fixed Ranges	Multiple Fixed Ranges (Inches of w.c. and Pascals)	0.05”w.c. up to 50”w.c. models 25 Pa up to 5000 Pa models
Operating Temperature	Operating range Compensated range	-4 to 140F (-20 to 60ºC) -4 to 140F (-20 to 60ºC)
Media compatibility		Dry, oil-free air, N2
Sensor Type		MEMS silicon piezoresistive; precision calibrated
Sensor Performance	Accuracy 1.00% Accuracy 0.25%(2) Accuracy 0.50%(2) Zero Tolerance Span Tolerance (3) Zero Drift (1 year) Auto-zero input Thermal Shift (Zero and Span) Overpressure Max Static Line Pressure Burst Pressure Position Sensitivity	±1.00% of range ±0.25% of range; 7-point NIST calibrated ±0.50% of range; 7-point NIST calibrated Included in accuracy specification ±1.00% 0.004”WC/year max. 0.4% for units >0.5”w.c. Push-button and contact closure 0.02% FSO/ºC (0.01%FSO/ºF) measured from 22ºC (72ºF up to 5” models: 41.5”w.c.; 10” models: 133”w.c.; 25” models: 332”w.c. up to 5” models: 41.5”w.c.; 10” models: 133”w.c.; 25” models: 332”w.c. up to 5” models: 83”w.c.; 10” models: 166”w.c.; 25” models: 415”w.c. Non-position sensitive
Agency	Compliance	CE, RoHS
Enclosure	Flammability Environmental	UL94 5VB NEMA 1
(1) One side of transformer secondary is connected to signal common. Dedicated transformer is recommended. (2) Accuracy includes non-linearity, hysteresis, and repeatability at 70ºF. (3) Span tolerance is ±1% ±0.005inWC for models less than 0.10inWC or equivalent pressure range.

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