SEC 3100 Digital Gas Detection Transmitter from SEC

The SEC 3100 transmitter provides interface capabilities for the SEC 3000 gas detector and SEC Millennium infrared gas detectors.

Features

  • Back lighted LCD for gas level/unit parameter display
  • Four (4) configurable alarm/fault relays
  • An isolated RS485 Modbus interface provides reliable communication in noisy environments and eliminates “Ground Loop” problems
  • Three magnetic switches for local configuration and calibration
  • Time stamped data logging using a removable non volatile memory module. Module can be removed from the unit to allow remote data downloading and data archiving.
  • Explosion proof
  • Back lighted LCD display
  • Low Cost
  • Plug and play toxic, oxygen and combustible gas sensors
  • Self check system
  • 4-20 mA output
  • RS485 interface, isolated
  • Alarm and fault relays
  • Non intrusive configuration
  • Non intrusive calibration
  • Removable, non volatile, time stamped data logging memory stick
  • Optional IS barrier
  • Digital communication link to SEC 3000 and SEC Millennium gas detectors
  • Multi port housing for easy installation

Applications

  • Petrochemical
  • Compost facilities
  • Semi conductor
  • Mining
  • Pulp & paper
  • Offshore
  • Buildings
  • Automotive industry
  • Engine test rooms
  • LNG & LPG facilities
  • Sewage industry
  • Water treatment plants
  • Parking garages
  • Chemical
  • Automotive
  • Nuclear industry

An optional IS barrier allows “hot” sensor replacement in rated locations. This allows the user to install pre calibrated/pre-configured sensor boards without removing unit power while maintaining EX rating.

Gases & Ranges

Gas
Range
Ammonia
0-200 ppm
Arsine
0-1,000 ppb
Bromine
0-2 ppm
Carbon Monoxide
0-100 ppm
Chlorine
0-10 ppm
Chlorine Dioxide
0-2 ppm
Diborane
0-1,000 ppb
Ethylene Oxide
0-20 ppm
Fluorine
0-2 ppm
Formaldehyde
0-20 ppm
Germane
0-1,000 ppb
Hydrogen
0-1,000 ppm
Hydrogen Chloride
0-20 ppm
Hydrogen Cyanide
0-20 ppm
Hydrogen Fluoride
0-10 ppm
Hydrogen Peroxide
Call
Hydrogen Selenide
0-1,000 ppb
Hydrogen Sulfide
0-100 ppm
Nitric Oxide
0-100 ppm
Nitrogen Dioxide
0-15 ppm
Oxygen
0-40% Vol
Ozone
0-2 ppm
Phosgene
0-2 ppm
Phosphine
0-1,000 ppb
Silane
0-20 ppm
Sulfur Dioxide
0-20 ppm

Unit Status Chart

Current
Output
Status
4-20
mA
Normal measuring mode
0.0
mA
Unit fault
0.8
mA
Unit warm up
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
mA
Over range (>100%)

Specifications

Detection Method Toxic Gases: Electrochemical, Combustible: Infrared
Sampling Method Diffusion, optional sample draw
Output (digital) RS485 LAN, isolated
Output (analog) 4-20 mA (source type), max 1000 ohm load at 24 VDC supply voltage
Display Back lighted LCD, LEDs for relay status
Housing Construction Epoxy coated aluminum
Operating Current 125 mA max @ 24 VDC
Operating Voltage 18 to 32 VDC
Power Consumption Toxic & O2: 4W Max
HC & CO2: 9W Max
Operating Temperature -40° to 60°C at 0 to 99% RH, non condensing
Approvals CSA/NRTL: Ci I, Div 1, Groups B, C, D, T5
IECEx: Ex d IIB + H2 T5 Gb

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.

Downloads

SEC 3100 transmitter literature

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