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Area Monitor 2×2

The Radiation Alert® Area Monitor 2X2 is a modern, network‑enabled radiation area monitoring system engineered for continuous radiation surveillance in laboratories, industrial facilities, and high‑traffic environments. Designed for ease of use and reliability, it combines an intuitive touchscreen interface with advanced alarm and networking capabilities.

Intuitive Touchscreen Interface

The AM‑2X2 features an intelligent resistive touchscreen display paired with a large five‑digit LED readout, providing clear, real‑time radiation measurements that are easily visible from a distance. The user‑friendly interface allows quick configuration and straightforward operation with minimal training.

External Scintillation Detector Options

The AM‑2X2 is supplied with an external Sodium Iodide (NaI) scintillation detector for high‑sensitivity area monitoring. Cesium Iodide (CsI) probes are available as optional alternatives, allowing the system to be configured for specific radiation monitoring requirements.

Designed for Facilities & High‑Traffic Areas

Rugged wall‑mount enclosure options make the AM‑2X2 well suited for installation in hallways, controlled access points, laboratories, and other high‑traffic locations where continuous radiation awareness is critical.

Network Monitoring & Remote Alerts

All Radiation Alert® Area Monitors on a network can be centrally monitored using free included software, providing system‑wide visibility. The AM‑2X2 supports:

  • User‑selectable low and high radiation alarm levels
  • Detector failure alerts
  • Email and text message notifications for remote alarm awareness

All configuration settings are stored internally and retained even when power is disconnected, ensuring consistent operation after power restoration.

Calibration & Compliance

Each Radiation Alert® Area Monitor AM‑2X2 is supplied with a Certificate of Conformance. NIST‑traceable source calibrations are available upon request to support quality assurance and regulatory compliance programs.

Operation Manuals:

Applications & Uses

Room monitoring for Hospitals, X-Ray machines, Accelerators, Laboratories, etc. Portal monitoring, such as doors and walkways, Source monitoring, Alarms in the presence of radiation or the absence of sources

Specifications

Detector

2X2 Nal(Tl) Scintillation Probe

Custom Probe Options Available. Tell us about your application and we can recommend the best probe options for your needs.

Energy Range

30 KeV – 2 MeV

Sensitivity

Cs-137 Sensitivity at 1 mR/h (662 keV)
Approx..~9000 CPS/mR/hr,  ~540,000 CPM/mR/hr

Operating Range

0.01 to 2 mR/hr (0.1 to 20 µSv/hr)

Response

Varies automatically from 20 seconds to 2 seconds

Linearity

NIST Calibrated readings within 10% of true value with detector connected.

*ALL NIST CALIBRATIONS ARE ONLY RATED to 0.1 to 1,000 mR/hr – (0.1 to 10,000 µSv/hr) However, the instrument will work to the stated operation range above.

Touch Screen Display

4.3 inch TFT 480×272 touch screen display with user friendly Programmable Units of Measurement and Audio and Visual Alarms. 5-digit LED display with 3 cm (1.18 in.) character height. 65K true colors capable of displaying full color images, animations, icons.

Base Units

Can display in µR/hr, mR/hr, µSv/hr, mSv/hr, CPM, KCPM, CPS, KCPS,

Base unit Settings

Settings for Base Units, Alarms and Calibration Information can be accessed through the Touch Screen Display or through the software

Indicators

Ultra-Bright Strobe, Audible Alarm can trigger up to three relays with DB-9 serial connection. USB VCP for computer data logging, can also be used to control the unit with use of remote software for alarm indication and acknowledgment (Silence by remote).

Alarm Sound

92 +/- 5 db(A) at 5Vdv at 24″ (61 cm). at 25° C
103 +/- 5 db(A) at 15Vdv at 24″ (61 cm). at 25° C

Ethernet

10 Base-T connection for use with remote software for alarm indication and acknowledgment (Silence by remote)

High Voltage

User adjustable from 200 to 1200 volts

Power

12 VDC wall mount adapter included

Battery Life

Typically 6 hours in non-alarm condition; 5 hours in alarm condition

Battery Charger

SLA Battery is continuously trickle charged when the instrument is connected to line power and turned on

Temperature Range

-10° to +50°C (14° to 122°F)

Humidity

10% to 70% Non-Condensing.

Size

20.3 x 28.6 x 10.8 cm (8 x 11.25 x 4.25 in.) Probe Size: 6.6 x 27.9 cm (2.6 x 11 in.)

Construction

Easy mount steel enclosure

Includes

NIST Calibration, Management software for use with networked area monitors, Base Unit, Power Supply, Mounting Clips, C to C Cable.

Options

Remote Alarm, Rugged external mounting enclosure.

Radiation Area Monitor Detector Case

Rugged case for wall mounting external detectors for area, room, and portal monitoring.

Size

10.14” x 8.26” x 4.13″

Limited Warranty

 

1 year limited warranty

 

External strobe and horn ex mon encl ex encl open view
Optional Remote Alarm

When you need secondary or backup alerts in other areas, connect the optional remote alarm for additional coverage.

NEMA External Enclosure
For Area Monitor







What Our Clients Say

Ron Ulbrich, Geiger Counter Pro

“The Radiation Alert Ranger® is a great value for those looking for a modern Geiger counter. I found that is simple to use yet includes many advanced functions if and when you want them without obstructing the simplicity…”

Judson Kenoyer, CHP, CIH

“I have used the Monitor 4 in courses that I teach radiation safety for close to 8 years. The students love it and affectionately call it the “Batman unit” because of its use in the movie The Dark Knight Rises. It is light-weight, sensitive, and quite often out performs some of the more expensive units from other companies that we use in a lab exercise…”

Neil Breslow, NDT Supply

“NDT Supply has been working with SE International since we started business in 2000. We have found them to be easy to work with, and a very reliable and responsive supplier. Questions and issues are always handled promptly and with a smile…”