HORIBA APNA-380 Nitrogen Oxides Monitor

Measuring principle

Cross-Modulation Chemiluminescence

Measurement range

0-0.1/0.2/0.5/1.0/2.0/5.0/10/20 ppm (up to 8 ranges selectable, auto-range)

Lower Detection Limit（２σ）

< 0.4 ppb^*1*2

Measurement unit

ppb, μg/m³, ppm, mg/m³

Sample gas flow rate

Approx. 0.7 L/min

Repeatability

±1.0% of full scale

Linearity

±1.0% of full scale

Zero drift

< 0.4 ppb (24 h)

Span drift

< 0.5% of full scale (24 h)

Response time (T₉₅)

< 40 s from the inlet^*2

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)
DC 4-20 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°C (32°F to 104°F), relative humidity : 85% or less

Temperature and pressure compensation

With

Sampling pump and filter

Internal

Power supply

AC 100-240 V±10% (max. voltage: AC 250 V) 50/60 Hz, consumption 140 W

Dimensions, weight

430 (W) x 568 (D) x 221 (H) mm, Approx. 18 kg

Compliance

CE, UKCA, KC, FCC, China RoHS