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Hochiki

SPC-ET

Smoke Detector · Fire Detection Systems

Technical data from manufacturer or class sources · not yet verified by a person​‍‌​‌‍​‌‍​‍‌‌‌‍⁠⁠​‌​
15Voltage

The SPC-ET photoelectric beam detector operates by utilizing a near infra-red beam to detect smoke. This design reduces current consumption and enhances noise rejection. Manufactured by Hochiki, this detector offers an adjustable 5 to 100 meters range between its emitter and receiver units. Key features include automatic compensation and signal strength adjustment, with three selectable sensitivity settings—25%, 50%, and 60% obscuration. The detector can be powered directly from the zone or through a separate 24Vdc supply. It also includes latching or non-latching fault relays for reliable operation. Approved by LPCB (EN54:12), this device is suitable for various applications requiring precise smoke detection, with dimensions and weight specifications provided for ease of installation and maintenance.

Specifications

Technical data.from datasheet

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

TypeBeam Smoke
Voltage15-33VDC
Range5-100m
Voltage15 Vdc🔖
CertificationsLPCB (EN54:12)🔖
Max. current in alarm50mA🔖
Sensitivity range25%, 50% and 60% % obscuration🔖
Weight (receiver)685 g🔖
📄
Download datasheet (PDF) (1772 KB)
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

“Application The SPC-ET utilize a near infra-red beam to detect the presence of smoke which is pulsed to reduce the overall current consumption and improve the noise rejection characteristics.”

Hochiki SPC-ET – Photo (Hochiki datasheet S. 1)
Photo · Hochiki datasheet · S. 1
Hochiki SPC-ET – Photo (Hochiki datasheet S. 1)
Photo · Hochiki datasheet · S. 1
Hochiki SPC-ET – Drawing (Hochiki datasheet S. 1)
Drawing · Hochiki datasheet · S. 1
Hochiki SPC-ET – Page preview (Hochiki datasheet S. 2)
Page preview · Hochiki datasheet · S. 2
Source: SPC-ET specification_Ai_1, p. 1
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