Linear Fire Heat Detector

DELTA – Linear Fire Heat Detector

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Linear detector routed throughout the protected zone covering the entire protected area

analyzes the rate of temperature rise (Rate of Rise) to confirm presence of fire or

overheating

• Fast Detection - Detects fire within 60 -100 msec

• Distant Sensing - Identifies fires occurring a distance from the sensor tubing

• Robust & Durable - Tolerates grime, dirt, and extreme conditions

• Automatic Fire Extinguisher - Contains the suppressing agent and will release it when

required

• Built-In-Test (BIT) capability

• Patented Technology

• International Standards

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What is a Rate-of-Rise Detector?

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A flame or overheat detector responds when the temperature rises at a rate

exceeding a predetermined value. The Rate-of-Rise heat detector operates on

a rapid rise in element temperature over time, irrespective of the starting

temperature

Example

A temperature change of

10 degrees per second has

a different interpretation

than the same change over

3 hours

Linear fire heat detector

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Delta Delta AVI

DELTA Detection Hollow Metallic Tube

Control

Delta

Lehavot DELTA Detector - Standards

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FM 3210

Military Standards:

MIL-STD 810 - For environmental conditions

MIL-STD 461 - For electromagnetic compatibility

MIL-STD 1275 - For Characteristics of 28V DC

electrical systems in military vehicles

EN 54 – Certified Emergency Voice Alarm

Delta detector configurations

The Delta detector family is defined into 6 groups:

• Transportation:

• Machinery:

• Off-Road Vehicles

• Industry

• Oil & Gas

• Military

Each group has his own characteristics and features and is designed for the

mentioned application. Nevertheless the Delta detector can be configured

and calibrated to specific parameters to ensure maximum efficiency.

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Linear Detector Comparison

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Parameter DELTA Linear Detector

Signal Processing DSP (Digital Signal Processing)

Minimal Detection Time 100 Milliseconds

Calibration Not required

EMI RFI MIL-STD-461 Approved

Maintenance Not required

Built In Test Electrical

Leakage Risk Very Low

Sensing Tube Length Up to 100m

Sensing Tube Material 2mm diameter Stainless Steel

Temperature Resistance Controller -40O C to +125O C Sensing Tube up to 1000O C

Enclosure Metallic

Water resistance Protection IP 67

Approvals FM 3210

DELTA - Track Record

• Over 10,000 DELTA detectors supplied to the MaxxPro MRAP program

• IDF Test Results - DELTA detector is the best choice

• Israel Navy - DELTA detector best choice

• Lehavot has protected over 100 HUMVEE engine bays as well as car

trains, cranes and buses using the DELTA detector

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DELTA - Track Record

The Lehavot Delta detectors are suitable for a large variety of industrial and commercial

applications such as busses, trains, off road vehicles, agricultural vehicles, CNC machines,

printers and more

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Thank You

Lehavot - Advanced Fire Protection Systems

www.lehavot.com