EDG Subscription Renewal
$45.00 – $175.00Annual renewals only.
Renewal codes will be emailed to you separately.
Use drop-down menu to choose the correct amount of active sensors.
EDG Wireless Cellular Gateway
$275.00Transmits EDG Sensor data to the cloud for remote monitoring*
Accepts up to 100 different active wireless sensors.
Up to 1200 ft. communication range to wireless sensors.
Allows user to set notifications, get alerts and remotely monitor data through OBAR Instruments app or desktop computer
Verizon (USA-Immediate Availability), AT&T (USA-Special Order) and Rodgers (Canada Only-Special Order) options available.
Monthly monitoring fees as low as $13.25.**
EDG Wireless Sensor 0-10V
$140.00Use with EDG Gateways*
Compatible with GBR25-A Gauge/Transmitter or other units capable of outputting a 0-10V signal.
Signal Range up to 1200 ft.
Transmits 0-10V wireless signal to EDG Gateway*
*Requires Cellular Subscription*
GBR ALERT Radon System Alarm
$39.00 – $360.00.08 – 1.2″ w.c. pressure sensor.
Built-in audible and visual alarm.
Field adjustable alarm set-point.
Includes power adapter, system label and 2′ of vacuum tube.
GBR BATTERY Radon Gauge and Alarm
$69.00 – $660.000-4″ Digital Differential Pressure Gauge
Built-in audible and visual alarm with push to silence feature.
Fully programmable for alarm set-point, delay (display and alarm), units and more.
Pipe or wall mountable.
Includes mounting bracket/hardware, batteries, system label, 2′ of vacuum tube.
Requires 4 x AA batteries (included)
GBR M Gauge
$45.000-3″ w.c. range works with the majority of radon installations.
Outdoor rated enclosure.
Simple installation and setup.
Weather resistant system labels included.
2′ of tubing for connection to system pipe.
GBR-DPT Differential Pressure Transmitter 4-20mA
$89.00Differential Pressure Transmitter
Selectable ranges (0-1″, 0-2″ or 0-4″ w.c.)
4-20 mA Output
Wall mountable
GBR25-R Differential Pressure Gauge and Alarm
$125.00Vapor Intrusion and Radon System Alarm and Gauge
Measures pressures up to 40″ w.c.
Audible and visual alarm with adjustable set point
Plug and play operation*
Built-in alarm silence switch
Includes power supply and length of vacuum tubing for connection to riser pipe
Includes wiring for a second programmable relay
GBR25-T Differential Pressure Gauge/Alarm Transmitter
$155.00Digital differential pressure gauge
Compatible with OBAR Instruments EDG Sensors and Gateways
LCD backlit display
0-10V and 4-20mA Outputs
Built in audible alarm with push to silence feature
LCD screen will flash and show an alert when value is out of range
Fully programmable for engineering units, delay, alarm set point and more.
Master Floor Port Installation Kit
$175.00Master Port Kit Includes:
- Rugged Case (Case type subject to change based on availability)
- 10 Ready to Install OBAR Floor Ports
- 3/4″ SDS Plus Masonry Drill Bit
- (2) 20mm Diamond Tipped Honing Drill Bits
- Port Installation Tool
- 1/2″ Drill Bit
- Replacement Port Parts/Hardware
- Installation Instructions
Minihelic Pressure Gauge 0-20″ w.c.
$49.95Differential Pressure Gauge
0-20″ w.c.
Out of stock
Minihelic Pressure Gauge 0-40″ w.c.
$49.95Differential Pressure Gauge
0-40″ w.c.
Obar Floor Port
$10.00Obar floor ports are designed to be easily installed and are robust enough to handle typical building traffic. These ports can be used as permanent sampling ports to fulfill vapor intrusion guidance document’s requirements.
Radon Diagnostic Kit
$250.00Kit Includes:
– 0-1″ Battery Gauge
– 0-.25″ Battery Gauge
– Pitot Tube w/ Calibration Factors
– Rugged Case
– 2 x 6′ Lengths of 5/16 OD Vacuum Tube
Sentinel Monitoring System
$695.00- Secure, user-friendly online control panel provides a software-free, anytime, anywhere environment for managing your systems.
- Store your sensor readings in the cloud to automatically protect against data loss and provide limitless information storage.
- Receive alarm notifications through a supervised internet connection.
- Notifies an unlimited number of people by email, text message or voice phone calls in the event of an alarm.
- Up to twelve external sensors monitor temperature, humidity, water, third party sensors and more.
- Manage multiple units, make programming changes and access status conditions using a simple, powerful web-based interface or mobile app.
Sentinel Monitoring System with Cellular Modem
$1,495.00- Easy to install, easy to configure monitoring solution for locations with no access to a landline or internet connection.
- Secure, user-friendly online control panel provides a software-free, anytime, anywhere environment for managing your systems.
- Store your sensor readings in the cloud to automatically protect against data loss and provide limitless information storage.
- Receive alarm notifications through a cellular connection.
- Notifies an unlimited number or people by email, text message or voice phone calls in the event of an alarm.
- Up to twelve external sensors monitor temperature, humidity, water, third party sensors and more.
- Manage multiple units, make programming changes and access status conditions using a simple, powerful web-based interface or mobile app.
- Choose between cellular service provided by AT&T, Verizon or Rodgers for under $30 per month.