Figure 1 – Detcon H2S RoughNECK User Manual

Page 4

80% < 2 minutes

Repeatability

± 5% FS

Range of Sensitivity

PPB to % by volume

Operating Temperature

-40° to +175° F

Accuracy

± 5% FS

Sensor Life

10 year conditional warranty

Field Wiring

4 conductor; max 10 ohms single conductor resistance

Input Power

12 VDC

Strobe Lamp

60 to 80 flashes per minute
1.75 Joules per flash
Intensity: 40 candela eff.

Audible Horn

HI/LO: 95 dBA @ 10 feet

Power Consumption

2 watts normal conditions
8 watts full alarm condition

5.0 I

NSTALLATION

Optimum performance of ambient air/gas sensor devices is directly relative to proper application, installa-
tion and adherence to recommended maintenance schedules including periodic recalibration.

Installation Procedure
a) Securely mount the H2S RoughNECK™ enclosure in accordance with recommended practice (See Fig.

1 and paragraph at section 2.0).

b) Securely mount the sensor condulet in accordance with recommended practice (See Fig. 2). Be sure sen-

sor orientation is pointing down to grade (see figure 2 and paragraph at section 2.0).

Detcon RoughNECK™ H2S Gas Detection & Alarm System PG.4

Mounting Hole
Dia. 5/16"

6 7/16"

7 3/8"

5 1/8"

6 1/2"

5 3/4"

Figure 1