Technical specification – Ion Science Corvus User Manual
Page 22

CORVUS MANUAL
Ion Science Ltd
 
 Page 22 of 27 
Unrivalled Detection. www.ionscience.com
Technical specification
Dimensions
 
Size: 
H. 122 mm (4.8 in)
W. 176 mm (6.9 in)
D. 68 mm (2.6 in)
Weight
450 g (15.9 oz.)
Sensitivity
 
PID 
5 ppb (Isobutylene equivalent)
Temperature
0.1
o
C
( 0.18
o
F)
Relative humidity
0.04%
Barometric pressure
0.72 mbar
(72 Pa)
(0.2% full scale)
 
Detection range 
PID
0-50 ppm (Isobutylene equivalent)
Temperature
-40
o
C to +125
o
C
(-40
o
F to 257
o
F)
Relative humidity
0-99% (non-condensing)
Barometric pressure
700 mbar to 1060 mbar
(70 kPa to 106 kPa)
Accuracy
 
PID 
+/- 5 ppb displayed reading + 1 digit
Temperature
+/- 1
o
C of reading + 1 digit
Relative humidity
+/- 4% of reading + 1 digit 
(@25 
o
C between 10% and 90% RH)
Barometric pressure
+/- 1.5% displayed reading + 1 digit (FSO)
 
Wireless network 
Type
Mesh
Maximum open field range
Up to 12 m (39 Ft)
Number of Corvus in a group
20 Max
Wireless frequency
2.4 GHz. IEEE802.15.4 compliant transceiver.
Data log
 
Data logging 
18755 points (individual Corvus)
Data logging
8900 points (Network of 20 Corvus)
Data log options
1 min, 10 min and 1 hr.
Power
 
Mains power supply 
100-240 Vac (15 Watts)
Corvus power input
5 Vdc
Communication
Corvus to PC
USB 2.1
Corvus to Corvus
Wireless via network
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
