Maintaining strict air pressure differentials in specific healthcare environments is essential to the safety of your patients. While positive pressure is required in operating rooms and protective environment rooms to keep contaminants out; negative pressure is needed in isolation rooms and construction/renovation zones to prevent contaminants from spreading throughout the facility. With SNS Differential Pressure Monitoring, you’ll be able to continuously track and document the pressure in these rooms to ensure the safety of patients and keep your facility in compliance.

A New Level of Assurance

The SNS™ Differential Pressure Monitoring solution employs highly sensitive, low-pressure sensors with the ability to detect ultra-low changes in air pressure that could affect patient safety. The sensors require only a minuscule amount of air flow through the unit to detect pressure changes. If pressure does go out of range, visual, audible and email alerts can be issued through our SNS™ wireless facility monitoring system to allow appropriate measures to protect the safety of patients, staff and visitors.


LCD screen with intuitive graphic display shows pressure differential to ± .001 inches H2O.
Customizable user span settings help minimize “nuisance” alarms by initiating alerts only when pressure thresholds have been breached for a pre-determined length of time.
Captures and documents pressure readings by communicating with the SNS Applications Management Platform (AMP) over the existing network.
Features both an 802.11 b/g Wi-Fi radio and Ethernet port for easy network communication.
Comprehensive documentation is easily accessible through the Web-enabled AMP interface to prove compliance to all authorities having jurisdiction.
NIST Traceable sensing element meets compliance standards.
Includes two 6’ (1.82m) lengths of silicone tubing with 1/4” (6.35mm) O.D./1/8” (3.17mm) I.D.

Sensor Specifications:

Measurement Type : Differential Pressure (two port)
User-Defined Transmission Rate: 4 minutes to 12 hours
Reading Accuracy: ± 3% of Reading
Inches of Water (H20) Accuracy: LCD Resolution: +/- 0.001 inches of
water (H2O)
Max Reading: ± 0.5 inches of water (H2O)
Threshold Alerts: User defined audible and visual
Calibration: Factory calibrated with digital temperature compensation over the ± 0.5” H2O range
Data Packet Size: Less than 5k
Dimensions: 6.1”H x 3.4”W x 1.0”D (15.5cm x 8.6cm x 2.54cm)
Housing Material: Acetal or ABS Plastic
Operating Range: 32°F to 95°F (0°C to 35°C)
Security Encryption: WEP, WPA, WPA2
Authentication: LEAP, EAP-FAST, PEAP
Power: 300mA Max @9VDC, 3 ft. (.91m) standard power cable & 6 ft. (1.82m) extension include

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