User guide

Spectrex Inc. - SharpEye

Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005

4.3.1 Function Setup

The user can select the desired mode of operation by means of host.

Table 6: Function Setup

Name Yes No

1 Alarm Latch Alarm latching enable Alarm latching disable

(default)

2 Accessory Relay Accessory Relay activate at

warning level

Accessory Relay activate

at Alarm level (default)

3 Automatic BIT Automatic & manual bit

(default)

Manual bit only

4 Alarm BIT Successful manual bit

activates the Alarm Relay for

approximately 3 seconds

(default)

Successful manual bit

does not activate the

Alarm Relay

5 Accessory BIT Successful manual bit

activates the Accessory Relay

for approximately 3 seconds

(default)

Successful manual bit

does not activates the

Accessory Relay

6 EOL Accessory Relay is used as

End of Line

Accessory Relay operates

in accordance with

Function 2 and 5 (default)

4.3.2 Sensitivity Ranges

The detector offers four (4) sensitivity settings. The settings refer to the Hydrogen

plume fire with 20” (0.5m) height and 8” (0.2m) width, from low sensitivity of 16 ft.

(5m) to 100 ft. (30m). For other types of fuel sensitivity, refer to table 2.

Table 7: Sensitivity range

## Sensitivity

1 16 ft. (5m)

2 33 ft. (10m)

3 66 ft. (20m)

4* 100 ft. (30m)

* Default