Environnement AS32M, Техническое руководство, Страница: 22 / 186

Environnement
S.A
AS32M
Duplication prohibited
DECEMBER 2013
1–14
1.2 CHARACTERISTICS
1.2.1 TECHNICAL CHARACTERISTICS
Measurement range (programmable) :
programmable by the user up to 1.00 ppm (or
1,000 ppb)
Units : ppb or µg/m
3
(programmable)
Noise (

)
: 0.05 ppb (response time: 18 sec)
Minimum detectable limit (2

)
: 0.1 ppb (response time: 18 sec)
Response time (0–90 %) : fixed to 18 sec or automatic (programmable)
Zero drift : < 2 ppb / 24 hours in operation
Span drift : < 1 ppb / 24 hours
Linearity : ± 4%
H
2
O influence
: < 2 ppb / 20,000 ppm H
2
O
Temperature influence : 0.1 % /°C
Sample flow rate : approximately 1 liter/min (internal pump)
Display : LCD 240 x 128 text and graphic mode
Control keyboard : 6 keys
Output signals : Two RS232 outputs, COM1 and COM2
Power supply : 85–240 V, 50 Hz or 60 Hz + ground
Consumption :
225 W max on start-up
< 225 W for stabilized operation
Working temperature : + 10 °C at + 35 °C
Internal storage of measurement values :

Capacity: 1 year based on 15-min intervals.

Flash EPROM Storage
Alarm checks :

Permanent

Detection and indication of functional
anomalies: optical temperature, LED
current, NO
2
, measurement over threshold,
out of range, calibration fault, etc.
Tests and diagnostics for maintenance : Keyboard selection and display of all parameters
Real-time clock – battery back-up : 6 months by built-in, rechargeable battery
Ethernet output : 10 Mbits on RJ45, UDP protocol
USB port :
USB format : 1.0,
2.0 compliant
Back-up saving time of stored data Not limited (Flash EPROM)