Description
The SEC 3000 gas detector is a unique design combining intrinsically safe and explosion proof approved standards. This allows for quick and simple field installation of a calibrated sensor module into the gas detector in hazardous locations with power applied. The SEC 3000 sensor module retains operating parameters and calibration settings. Once the sensor module is plugged into the gas detector, the sensor module automatically uploads current information to the control board in the SEC 3000. Changing to a different type of gas sensor is accomplished by only changing the sensor module board. The existing housing and wiring remains intact.
An industry standard 4-20 mA analog output provides remote alarm, fault and calibration signals. The entire unit utilizes self-diagnostics, identifies problems and simultaneously transmits status.
The SEC 3000 can be used in conjunction with the SEC 3100 or SEC 3120 explosion proof transmitter. The SEC 3100 and SEC 3120 has a backlit LCD display, non intrusive local calibration, 4-20 mA output, optional relays, RS485 interface and intrinsic barrier.
Features
- Compact low cost design
- No field gas calibration required
- Intrinsically safe and explosion proof
- Universal control board
- Interchangeable sensor modules for oxygen and toxic gases
- Temperature compensated sensor
- Stand alone gas detector with 4-20 mA output
- Corrosion resistant 316 stainless steel housing construction
- Long life electrochemical sensors
- Can be mated with SEC 3100 transmitter or SEC 3120
- Optional heater with closed loop temperature control ensures accuracy in low temperature applications
- Drift tracking intelligently identifies and removes drift from output signal
- ONR (Output Noise Rejection) identifies noise at the output and removes it
Applications
- Petrochemical
- Medical
- Semi conductor
- Mining
- Pulp & paper
- Offshore
- Fertilizer
- LNG & LPG processing
- Waste water
- Water treatment
- Chemical
- Automotive
- Pharmaceutical
- Refrigeration
Gases & Ranges
| Ammonia | |
| Arsine | |
| Bromine | |
| Carbon Monoxide | |
| Chlorine | |
| Chlorine Dioxide | |
| Diborane | |
| Ethylene Oxide | |
| Fluorine | |
| Formaldehyde | |
| Germane | |
| Hydrogen | |
| Hydrogen Chloride | |
| Hydrogen Cyanide | |
| Hydrogen Fluoride | |
| Hydrogen Peroxide |
Call
|
| Hydrogen Selenide | |
| Hydrogen Sulfide | |
| Nitric Oxide | |
| Nitrogen Dioxide | |
| Oxygen | |
| Ozone | |
| Phosgene | |
| Phosphine | |
| Silane | |
| Sulfur Dioxide |
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, galvanic or catalytic bead |
| Sampling Method | Diffusion, optional sample draw |
| Output (digital) | Interactive interface available on the calibration (white) wire |
| Output (analog) | 4-20 mA (source type), max 1000 ohm load at 24 VDC supply voltage |
| Lower Detachable Limit | 1% of full scale |
| Housing Construction | 316 Stainless Steel, explosion proof |
| Accuracy | ± 5% |
| Operating Voltage | 24 VDC, operating range: 18 to 32 VDC measured at the detector head |
| Power Consumption | 1.6 Watt Max |
| Max Current Draw | 50 mA at 24 VDC |
| Operating Temperature | -40° to 50°C at 0 to 99% RH, non condensing |
| Approvals | CSA: Class 1, Div 1, Groups B, C, D, T6 |
| Installation Category | Cat I, Pollution Degree 2 |
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.
