APSA-380 Sulfur Dioxide Monitor

Description

The APSA-380 is an analyzer for measuring sulfur dioxide in ambient air and other background gases, for air quality control as well as for variety of industrial applications. HORIBA’s state-of-the-art ultraviolet fluorescence (UVF) technology enables high sensitivity and stable real-time continuous measurement.

Ultimate Performance
Ultraviolet fluorescence technology provides excellent sensitivity, stability and robustness
Real-time continuous measurement
Wide measurement range with up to 8 ranges selectable, minimum 0-0.05 ppm and maximum 0-20 ppm
UV fluorescence detector and integrated HC cutter eliminate interference from moisture and coexisting components
Incorporated UV lamp intensity compensator
Enhanced Lower Detection Limit and response time

User-Friendly Interface & Functionality
Durable 7-inch wide color touch screen LCD with intuitive interface and trend graph
Selectable metrics (ppb, μg/m3, ppm, mg/m3), response time (moving average value), and calculation method
Programmable dilution ratio
Dust filter accessible from the front panel for easy daily maintenance

■ APSA-380 Specifications
Component Sulfur dioxide (SO2)
Measuring principle Ultraviolet Fluorescence
Measurement range 0-0.05/0.1/0.2/0.5/1.0/5.0/10/20 ppm (up to 8 ranges selectable, auto-range)*1
Lower Detection Limit (2σ) < 0.3 ppb*2*3
Measurement unit ppb, µg/m3, ppm, mg/m3
Sample gas flow rate Approx. 0.6 L/min
Repeatability ±1.0% of full scale
Linearity ±1.0% of full scale
Zero drift < 0.5 ppb (24 h)
Span drift < 0.5% of full scale (24 h)
Response time (T95) < 120 s from the inlet*3
Display 7-inch color LCD with touch panel
Communication Ethernet × 2 (Modbus® TCP), RS-232C × 1 (Modbus® RTU) , USB flash drive × 1
Analog output (option) Maximum : 3 channels (insulated)
DC4-20 mA, DC 0-0.1 V, DC 0-1 V, DC 0-5 V or DC 0-10 V
Digital output (option) Relay contact output for range 3 channels, relay contact output for other 6 channels
Digital input (option) Maximum : 4 channels, non-isolated input
Installation environment Operation temperature : 0-40℃ (32℉ – 104℉), relative humidity : 85% or less
Temperature and pressure compensation With
Sampling pump and filter Internal
Power supply AC 100-240V ±10% (max. voltage: AC 250 V), 50/60 Hz, consumption 50 W
Dimensions, weight 430 (W) x 568 (D) x 221 (H) mm, Approx. 18 kg
Compliance CE, UKCA, KC, FCC, China RoHS