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Appendix – Teledyne 1220 - Multipoint flammable gas and vapor detection system User Manual

Page 47

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A-1

Multi-Channel Combustible Monitor

Appendix

Teledyne Analytical Instruments

Appendix

A-1 Specification

Range:

0-100% LEL Combustible Gas in Air
(Methane equivalent)

Number of Channels:

Up to eight channels

Repeatability:

2 % of full scale

Accuracy:

±

2% of full scale at constant tempera-

ture

Response Time:

90% in less than 15 seconds

Operating Temperature:

0 to 50

o

C

Temperature Stability:

±

1% over 10

o

F

Alarms:

Two Adjustable Alarm Point plus
Failure Alarm Indicators illuminate at
Alarm Setpoint. HIGH-RED;
CAUTION-AMBER; FAIL-BLUE.

Sensor Type:

Two element catalytic bead, anodized
aluminum housing, Stainless Steel
(Flame Arrestors)

Signal Output:

Internal: LCD Display
External: 0-10 VDC or 4-20 mA
negative ground (user-configurable)