ETA Process Instrumentation - since 1971

ETA Process Instrumentation -- Since 1971

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Horiba Environmental
and Process Instruments 		 

APSA-360A/CU-1 Ambient Hydrogen Sulfide Monitor

 

 Horiba APSA-360A CU1 Ambient H2S Montitor

Overview

APSA-360A/CU-1 Ambient H2S monitor measure SO2 converted H2S through oxidation catalyst based on Ultra Violet Fluorescence. In order to reduce measurement error by water concentration fluctuation in ambient, humidifier is set at sample line. It enables long-term stability according to stabilizing catalytic reaction.

 

Features

  • Monitor H2S with high sensitivity range in ambient air continuously.
  • Set humidifier at sample line to stabilize catalytic reaction.

Manufactured by HORIBA

 

Specifications

Measurement component

Hydrogen sulfide(H2Sjin ambient air

Measurement principle

Oxidation catalyst + Ultra Violet Fluorescence

Measurement range

0`0.1/0.2/0.5/1.0ppm

Lower detectable limit

4ppb

Repeatability

}3.0“ of F.S.

Linearity

}2.0“ of F.S.

Zero drift

}2% of F.S./day

Span drift

}5% of F.S./day

Response time(T90)

180 sec. or less (from CU-1 converter unit)

Sample gas flow rate

approx. 0.8L/min

Operation gas

None

Indication

Measuring value, alarm

Alarm

CU-1: Temperature error in catalyzer
APSA-360A: Calibration error, Battery error, Flow rate error, Pressure error,

temperature error in converter, etc.

Input / Output

0`1V / 0`10V / 4`20mA (2 systems: either (1) momentary value and

integrated of (2) moving average value)
Contact input/output
RS-232C(option)

Temperature/Humidity

0`40Ž 85“ or less

Power

AC100V}10V@ 50/60Hz

Power consumption

CU-1: 150VA
APSA-360A: 150VA

Dimension

CU-1: 430(W) X 550(D) X 221(H) mm
APSA-360A: 430(W)~550(D)~221(H) mm

Mass

CU-1: approx. 10kg
APSA-360A: approx. 25kg

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