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SEC Millennium Infrared
Carbon Dioxide Gas Detector

The SEC infrared carbon dioxide detector is a single source dual wavelength instrument. The sensing and reference elements are self-compensating for optical integrity and other signal inhibitors. The industry standard 4-20 mA analog output provides remote alarm, fault and calibration signals.

Features

Infrared sensing technology
Virtually maintenance free
Low cost of ownership, over five years operating life
Immune to poisoning and etching
Designed for harsh environments
Explosion proof
Compact, lightweight
Fast response time
Smart calibration
Self compensating optical bench and no moving parts
Heated optical chamber
Low power consumption
Operates in anaerobic atmosphere
Fault indications for all failure states
Routine calibrations are not required
4-20 mA output
Many ranges available
RS-485 communication link
Digital display optional

Applications

The SEC Millennium detectors are designed to be used where a rugged, explosion proof, ultra reliable device is required.

Gas storage

Injection oil recovery

Industrial process control

Food processing & packaging

Greenhouses

Bottling plants

Water industry

Environmental chambers

Laboratories

Breweries & wineries

HVAC (DCV, energy management)

Engine test cells

Unit Status Chart

Current	Output	Status
4-20	mA	Normal measuring mode
0.0	mA	Unit fault
0.2	mA	Reference channel fault
0.4	mA	Analytical channel fault
0.8	mA	Unit warm up
1.0	mA	Optics fault
1.2	mA	Zero drift fault
1.6	mA	Calibration fault
2.0	mA	Unit spanning
2.2	mA	Unit zeroing
4.0	mA	Zero gas level
5.6	mA	10% of full scale
8.0	mA	25% of full scale
12	mA	50% of full scale
16	mA	75% of full scale
20	mA	100% of full scale
20.1-23	mA	Over range (>100%)

Specifications

Detectable Gases	Carbon dioxide
Range	0-1% Volume 0-2% Volume 0-5% Volume Alternate ranges are available
Accuracy	+/- 3% 0 to 50% full scale +/- 5% 51 to 100% full scale
Operating Voltage	18-36 VDC
Power Consumption	4 watts at 24 VDC
Analog Output	4-20 mA (sourced)
Response Time	T50 < 3 seconds T90 < 5 seconds
Humidity	0-99%, non-condensing
EMI Protection	Complies with: C22.2 No. 152-M1984, ISA S 12.13.01-2000
Operating Temperature	-40°F to 158°F
Enclosure	316 Stainless Steel
Classification	Class I, Div I, Groups B, C, D

Ordering Information

For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com.

Download a copy of the Millennium CO2 literature.

Last Revised: 1/23/07