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AP-370 series Air Pollution Monitor Brochure (version G)
APSA-370
Ambient Sulfur Dioxide Monitor
The APSA-370 is a device for the continuous monitoring of atmospheric SO2 using UV fluorescence. The APSA-370 employs an proprietary, internal dry-method sampling device to achieve the highest levels of sensitivity and accuracy. The dry-method, due to its minimal maintenance requirements capability of continuous monitoring and instantaneous analysis of gas in its unaltered state, has been a preferred method for monitoring the atmospheric pollution.
Segment: Process And Environmental
Division: Ambient
Manufacturing Company: HORIBA, Ltd.
Base product:
AP-370 series
• UV-fluorescent detector resistant to moisture interference; Low range: 0-0.05 ppm F.S.
• Alternately to FDP measurements, the detector design is highly SO2 selective and requires no supplemental gas.
• Integral HC-cutter with a selective membrane eliminates interfering components.
• Incorporates a lamp intensity compensator.
• Uses a built-in inert PTFE sample inlet filter.
Related Applications
Principle | UV fluorescence (UVF) |
Application | SO2 in ambient air |
Range | Standard ranges: 0-0.05/0.1/0.2/0.5 ppm; auto range ~ manual range selectable; can be operated by remote switching. |
Repeatability | ±1.0% of F.S. |
Linearity | ±1.0% of F.S. |
Sample gas flow rate | Approx. 0.7L/min |
Indication | Measured value, range, alarm, maintenance screen |
Alarms | During AIC, zero calibration error, span calibration error, temperature error in catalyzer, etc. |
On-screen messages are available in four languages | English, German, French, and Japanese. |
Input/output | • 0-1 V/0-10 V/4-20 mA, to be specified (2 systems: either (1) momentary value and integrated or (2) moving average value) |
Power | 100/110/115/120/220/230/240 VAC, 50/60 Hz (to be specified) |
Dimensions | 430(W) x 550(D) x 221(H) mm |
Mass | Approx. 19 kg. |
