Stationary Photoionization Detector SPID2
User Manual
SPID2 - User Manual (en) - 1.11.docx
Analytical Control Instruments GmbH, Volmerstraße 9A, D-12489 BERLIN, Germany, www.aci-berlin.de
Version 1.11
Page 47 of 60
8.
Technical Data
*The indicated values were obtained under standardized conditions.
Test gas was isobutene in synthetic air.
Detector principle
VUV- Photoionization with 10.6 eV hollow cathode lamp with Ceramic
Discharge Channel
Detection ranges
0
…
20
ppm Isobutene *
0
…
100
ppm Isobutene *
0
…
2 000
ppm Isobutene *
Display range
0
…
20 000 ppm, depending on response factor of detected substance
Lower detection limit
Typical 10 ppb *
Display resolution
Dynamic up to 0.01 ppm
Response time
T90 < 10 s *
Signal integrity
Up to 100 ppm
typical > 98 % *
Up to 2 000 ppm
typical > 95 % *
Influence of humidity
Humidity and temperature compensation at 0 ... 50 °C and 0
…
90 % rH
residual effect less than < 10 % FS
Operating condition
-10
…
55 °C
0
…
95 % rH, non-condensing
Storage conditions
-20
…
60 °C
0
…
95 % rH, non-condensing
Gas sampling
Integrated diaphragm pump (about 250 ml/min)
Sample inlet with dust and water protection filter
PID lamp life time
Min. 8 000 hours, typical more than 15 000 h
Alarms
2 adjustable alarm levels
Power supply
9
…
36 VDC, max. 4 W, recommended 24 VDC
Signalisation
2 x LED (red) for alarms, 1 x LED (multicolour) for status
Relays
3 x SPDT 30 VDC / 2 A (surge current), 2 x for alarms, 1 x for failure
Analog output
Current loop, 4 … 20
mA or
0 … 5
mA
Digital interface
RS485 (MODBUS)
Calibration
Automatically two point calibration
Zero gas via activated char coal filter, span gas via sample inlet
Response factors
Selectable built-in response factors, changeable via remote service
program
User interface
Graphical display with backlight, magnetic keys
Dimension, weight
200 mm x 370 mm x 133 mm (L x W x H), about 2200 g
Ingress Protection
IP64
