Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts

Sensor:
Halogen-quenched Geiger-Mueller detector (LND712)
Mica end window density is 1.5-2.0 mg/cm²
Side wall is 0.012″ #446 stainless steel
Detects Alpha, Beta, Gamma, and X-radiation
Display: 4-digit liquid crystal display with mode indicators
Accuracy: ±10% typical; ±15% maximum
Alert: No Alert feature. If your intended application requires a user-adjustable Alert, we recommend the Radalert 100X
Audio: Beeper chirps for each count (can be muted)
Calibration: Cesium 137 (gamma)
Certifications: CE Certified, RoHS Compliant, and Meets WEEE standards
Count Light: Red LED flashes with each count
Designed & Manufactured: Designed and Manufactured in USA by IMI International Medcom, Inc.
Operating Range:
µSv/hr: .000-1,10 CPM: 0-350,000
mR/hr: .000-110 CPS: 0-3,500
Total: 0-9,999,000 counts Timer: up to 40 hours
Options: Computer software and cable available
Operation Manual: Rad 100 Manual
Ports:
Output: Stereo 3.5 mm jack sends counts to computers, data loggers, other CMOS-compatible devices, and headphones, and educational data collection systems.0-9 V, 1 kOhm impedance.
Input: Mono 2.5 mm jack provides calibration input. 0-3.3 V, >5 μs width, rising edge triggered.
Power: 1.5 Volt AA batteries
Gamma Sensitivity: 1,000 CPM/mR/hr referenced to Cs-137
Size: 150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)
Weight: 225 grams (8 oz) including battery
Specifications subject to change without notice.





