Simplex 4098-9717

TrueAlarm Ionization Smoke Sensor

  • Factory New
  • Material Obsolete
Brand: Simplex FireAlarm.com Part #: 9659 Categories: , Manufacturer Part #: 4098-9717 Tag:

Description

TrueAlarm Ionization sensors use a single radioactive source with an outer sampling ionization chamber and an inner reference ionization chamber to provide stable operation under fluctuations in environmental conditions such as temperature and humidity. Smoke and invisible combustion gases can freely penetrate the outer chamber. With both chambers ionized by a small radioactive source [Am 241 (Americium)], a very small current flows in the circuit. The presence of particles of combustion will cause a change in the voltage ratio between chambers. This difference is measured by the electronics in the sensor base and digitally transmitted back to the control panel for processing.

Three levels of sensitivity are available for each ionization sensor: 0.5, 0.9, and 1.3% per foot of smoke obscuration.

Information

Weight 0.2 lbs
Dimensions 4.88 × 4.88 × 2.12 in
Manufacturer

Johnson Controls

Brand

Simplex

Type

Detector

Style

Plug-In

Detectable Medium

Smoke

Detection Method

Ionization

Production Status

Obsolete

Series

Product Notes

Replacement: 4098-9714

TrueAlarm Analog Sensors – Photoelectric, Ionization, and Heat; Compatible Bases and Accessories

Simplex – Data Sheet