|
|
| |
产品名称：
420N4二氧化碳连续过程分析仪
|
|
|
Method of Detection |
 |
Single cell NDIR with no moving parts
|
|
Ranges Available |
|
420 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% CO2
420L - 0-500, 0-1000, 0-3000, 0-5000, PPM CO
|
|
Resolution |
|
0.1% CO2 on % versions, 1 PPM CO2 on PPM versions
|
|
Accuracy & Repeatability |
|
1% of full scale
|
|
Drift |
|
Less than 1% of full scale per month
|
|
Response Time (T-90) |
|
Less than 15 seconds
|
|
Ambient Temperature Range |
|
40 to 122°F (5 to 50°C), Lower temperatures (-5°F, -20°C) available with Cold Weather Package
|
|
Linearity |
|
±1% of full scale
|
|
Size & Weight |
|
Physical data will vary depending on enclosure style and options required
|
|
Power |
|
115 VAC, 60 Hz
220 VAC, 50 Hz
|
|
Output Options |
|
4-20 mA into 500 ohms non-isolated standard
Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs
|
|
Alarms |
|
High and/or low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating
Low flow alarm
|
|
Analyzer Type |
|
CO2 Gas Analyzer
|
|
Hazardous Area Rating Options |
|
General Purpose, Non-Hazardous
|
|
| |
|
For continuous analysis of carbon dioxide (CO2) in process gas streams using an infrared detector. Percent and PPM levels available as Models 420 & 420L respectively.
| |
|
- PPM or percent CO2 by infrared detector
- Detector is sensitive, very reliable, and non-depleting
- Bright digital readout, 4-20 mA outputs
- Fast response (T90 - less than 15 seconds)
- Microprocessor control for push button calibration
- Easy-to-maintain modular layout
- Built in sample pump, flowmeter and filters
| |
|
- Hi/Low gas, low flow, and diagnostic alarms available
- Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available
- Sample conditioning systems available for removal of moisture, acidic gas, and dust
- Cabinet purge system available for use in hazardous areas
- One-step 'cal-now' button with touch screen LCD display
- Full automatic calibration with touch screen LCD display
- Cold weather package for operation to -5°F (-20°C)
- Cabinet coolers can be fitted to most models
- Sensor mounted in temperature controlled heated box to improve accuracy
- High temperature filters and probes
| |
|
- Easily zero checked on ambient air or nitrogen (N2)
- Span using a known CO2 in nitrogen calibration gas.
| | |
|
|
|
