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S.E. International- AM-7128 Radiation Area Monitor

A continuous radiation area monitor with an energy-compensated GM detector, providing real-time gamma detection, alarms, and network connectivity for laboratories, hospitals, and portal monitoring.

  • Wide Dose Rate Range: Detects 0.1 – 200 mR/hr (0.1 – 2000 µSv/hr) with fast automatic response (2–20 sec).
  • Visual & Audio Alerts: Includes ultra-bright strobe, audible alarm, and up to 3 relay outputs for safety notifications.
  • User-Friendly Interface: 4.3-inch touchscreen, programmable units, Ethernet support, and USB control for remote monitoring and alarm management.
  • Durable & Flexible: Steel enclosure, optional external detectors, battery operation (~5–6 hrs), and management software included.

Description

The S.E. International AM-7128 Radiation Area Monitor is a high-performance radiation detection system designed for continuous area monitoring in sensitive environments. It utilizes an energy-compensated GM detector (LND 7128) with a sensitivity of 18 cps/mR/hr, capable of measuring dose rates from 0.1 to 200 mR/hr (0.1–2000 µSv/hr). The system features automatic response times from 20 seconds to 2 seconds and provides NIST-calibrated readings within ±10% accuracy, ensuring reliable and precise monitoring. The touch screen interface (4.3-inch TFT, 480×272) and 5-digit LED display with 65K true colors allow users to view radiation levels in units including µR/hr, mR/hr, µSv/hr, mSv/hr, CPM, kCPM, CPS, and kCPS, while offering programmable audio and visual alarms for immediate alerts.

The AM-7128 supports remote monitoring and control via USB VCP and Ethernet (10 Base-T), with up to three relay outputs for integration with other safety systems. Power is supplied through a 12 VDC wall adapter with an SLA battery providing 5–6 hours of backup operation, and the high voltage is user-adjustable from 200 to 1200 V. Housed in a durable steel enclosure, the monitor operates reliably in temperatures from −10°C to +50°C with 10–70% relative humidity. It is suitable for applications such as hospital room monitoring, laboratories, accelerators, X-ray facilities, and portal monitoring for doors and walkways, providing robust protection and rapid detection in professional settings.

Features

  • Wide Dose Rate Range: Detects 0.1 – 200 mR/hr (0.1 – 2000 µSv/hr) with fast automatic response (2–20 sec).
  • Visual & Audio Alerts: Includes ultra-bright strobe, audible alarm, and up to 3 relay outputs for safety notifications.
  • User-Friendly Interface: 4.3-inch touchscreen, programmable units, Ethernet support, and USB control for remote monitoring and alarm management.
  • Durable & Flexible: Steel enclosure, optional external detectors, battery operation (~5–6 hrs), and management software included.

Specifications

Detector

Parameter Details
Type Energy Compensated GM Detector (LND 7128)
Custom Probe Options Available; tailored to application

Energy & Sensitivity

Parameter Details
Energy Sensitivity 18 cps/mR/hr

AM-7128 Energy Response


Operating Range & Response

Parameter Details
Dose Rate 0.1 – 200 mR/hr (0.1 – 2000 µSv/hr)
Response Time Automatic, varies from 20 seconds to 2 seconds
Linearity NIST calibrated readings within ±10% of true value

Display & User Interface

Feature Details
Touch Screen 4.3 in TFT 480×272 display; user-friendly, programmable units, audio & visual alarms
LED Display 5-digit, 3 cm (1.25 in.) character height; 65K true colors
Base Units µR/hr, mR/hr, µSv/hr, mSv/hr, CPM, kCPM, CPS, kCPS
Settings Access Touch screen or software

Indicators & Alarms

Feature Details
Visual/Audio Alarms Ultra-bright strobe and audible alarm
Relay Outputs Up to 3 relays via DB-9 serial
Remote Control USB VCP for data logging and remote alarm control
Ethernet 10 Base-T connection for remote alarm monitoring

High Voltage & Power

Parameter Details
High Voltage User adjustable 200 – 1200 V
Power Supply 12 VDC wall mount adapter included
Battery Life ~5 hrs (non-alarm), ~6 hrs (alarm)
Battery Charger SLA battery continuously trickle-charged when connected to line power

Environmental Conditions

Parameter Details
Temperature Range −10°C to +50°C (14°F to 122°F)
Humidity 10% – 70% RH, non-condensing

Physical Characteristics

Parameter Details
Construction Easy-mount steel enclosure
Size 20.3 × 28.6 × 10.8 cm (8 × 11.25 × 4.25 in.)

Included Accessories

Item
Management software for networked area monitors
Base Unit
Power Supply

Options

Option
External strobe and horn
External detector with 50’ C-to-C coax cable
NIST calibration

Warranty

Coverage
1-year limited warranty

Applications

  • Room monitoring for Hospitals, X-Ray machines, Accelerators, Laboratories, etc. Portal monitoring, such as doors and walkways

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