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SEC 3100 Digital Gas Detection Transmitter from SEC
The SEC 3100 provides interface capabilities for the SEC 3000 gas detector and SEC Millennium infrared gas detectors.
The SEC 3100 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.
Features
- 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. Removable circuit board stack and detachable connectors facilitate field wiring installation.
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 |
24 VDC, operating range: 18 to 32 VDC |
| Power Consumption |
Toxic & O2: 4W Max
HC & CO2: 9W Max |
| Operating Temperature |
-40° to 70°C at 0 to 99% RH, non condensing |
| Approvals |
Pending |
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 literature.
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