The RDS-31 is a small handheld, battery operated survey instrument using an energy compensated GM-tube as primary detector. Due to its versatile functions and durability it is suited for a wide range of applications in civil defense, industrial and laboratory use etc.

• H*(10) ambient dose equivalent dose and dose rate.
• Wide range of external alpha, beta and gamma probes for direct connection with RDS-31.
• Large graphic screen, configurable backlight with automatic illumination control.
• High impact durable case construction, IP-67 immersion proof.
• Internal memory to store measurements.
• Flexible histogram functions.
• Firmware of instrument upgradable through cable link.
• Configurable shortcut functions.
• Complies with ANSI N42.33 and IEC 60846 standards.