Environnement AF22e, Technical Manual, Page: 17 / 118

Duplication prohibited
AF22e
Environnement
S.A
MARCH 2017
1–9
1.3. CHARACTERISTICS
1.3.1. TECHNICAL CHARACTERISTICS
Measurement range : – Programmable by user (0 to 10 ppm)
Units :
–
ppb or µg/m
3
(programmable)
Noise (

) :
–
0.2 ppb (response time: 36 seconds)
Minimum detectable limit (2

) :
– 0.4 ppb (response time: 36 seconds)
Response time (0–90 %):
–
20-120 seconds, fixed or automatic (programmable)
Zero drift :
–
< 2 ppb / 24 hours in operation
Span drift : – < 0.5 % / 24 hours
Linearity : – ± 2%
H
2
0 influence :
–
2 ppb for 2 % H
2
O
Temperature influence :
–
0.15 ppb /°C
Sample flow-rate : – Approximately 0.415 liter/min
Display : – TFT LCD color screen, resolution : 800 (RGB)x 480,
size : 7 inches
Control :
–
Touch screen
Output signals (option) : – 4 analog outputs (0-1 V, 0-10 V, 0-20 mA, 4-20 mA)
Power supply : – 100~250Vac, 50/60Hz + ground
Consumption :
–
280 VA when starting-up the unit
–
110 VA in normal operation
Working temperature : – + 10 °C to + 35 °C
Memory storage of measurement values : – Capacity : 1 year
–
Flash EPROM storage
Alarm checks :
–
Detection and indication of irregularities in continuous:
temperature, flow rate, UV energy, too-high PM tube voltage,
out of SO
2
programmable measurement thresholds,
calibration fault.
Maintenance test and diagnostics :
–
Direct selection with the touch screen and/or remote
selection with the embedded Web server.
Backup saving time for the real-time clock and
RAM-stored data : – 1 year maximum.
Ethernet output :
–
RJ45 socket, UDP protocol.
USB port : – Type A USB socket: 2.0 (3.0 compliant)
Zero/span external SV control : – Contact connector with screw terminals
SV: Solenoid valve