Smart Photoionization Detector Module PIDS3
User Manual
PIDS3 - User Manual (en) - 1.03.docx
Analytical Control Instruments GmbH, Volmerstraße 9A, 12489 Berlin, Germany, www.aci-berlin.com
Page 10 of 58
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Technical data
*
The indicated values were obtained under standardized conditions with 10.6 eV lamp.
Test gas was Isobutene in synthetic air.
Detector principle
VUV-Photoionization with 10.6 eV hollow cathode lamp
with Ceramic Discharge Channel technology and integrated high voltage supply.
(optional 11.8 eV and 10.0 eV lamp available)
Detection ranges
R0
–
0
…
2 000 ppm Isobutene *
R1
–
0 …
20 ppm Isobutene *
R2
–
0 … 5
000 ppm Isobutene *
Lower detection limit
R0
–
typical 10 ppb *
R1
–
typical 1 ppb *
R2
–
typical 1 ppm*
Signal resolution
Dynamic up to 0.01 ppm (0.5 ppb at low range, 0.1 ppm at high range) or
raw precision with 3 digits (5 at low range, 2 at high range)
Response time
T90 < 10 s *
Signal integrity
Up to 100 ppm
typical > 98 % *
Up to 5 000 ppm typical > 95 % *
Influence of humidity
Humidity and temperature compensation at 0 ... 60 °C and 0
…
90 % rH
residual effect less than < 10 %
Operating conditions
-20
…
+50 °C
0
…
90 % rH, non-condensing
(-10
…
+50 °C with integrated pump)
Storage conditions
-20
…
+60 °C
0
…
95 % rH, non-condensing
Gas flow
Required 200
…
300 ml/min,
Sample inlet with dust and water protection filter
Optional with integrated pump available
Gas connection
Viton tube 1/8
” ID (recommended)
Dust and water protection filter required
PID lamp lifetime
Min. 8 000 hours, typical more than 15 000 hours
Handling
Device configuration via RS485 UART
Digital interface
RS485 (UART or MODBUS) galvanic isolated
Analog interface
Current loop, 4
…
20 mA (optional)
optional 3 SPDT 30 V / 2 A Relays (surge current)
Power supply
10.0
…
28.0 VDC, max 1.5 W, recommended 24.0 VDC
Cable
Cable gland for cable diameter 5
mm … 9
mm
Screw connection inside
Conductor cross section solid max.
1.5 mm²
Conductor cross section stranded max. 1.5 mm²
Calibration
Two-point calibration
Ingress Protection
IP65 enclosure only, IP53 in operation due to gas inlet requirement
Dimension, weight
191 mm x 133 mm x 60 mm (L x W x H), about 1000 g
Warranty
2 years, except for components in gas path and wearing parts