Ion Science MiniPID - Manual (Page 19)

MINIPID 3PIN MANUAL Ion Science Ltd
Page 19 of 27
Unrivalled Detection. www.ionscience.com
0
20
40
60
80
100
120
10 100 1000 10000
liniear
it
y
,
10
0
p
p
m =
10
0%
isobutylene, ppm
Specification
For optimal performance, Ion Science recommends an operational voltage of 3.3V.
Gas Detection Specifications (specific):
Transducer Details (ref Isobutylene)
MiniPID PPB MiniPID PPM
Minimum Detection Level S
D
1 ppb 100 ppb
Linear Range (±3% deviation) R
L
full range 100 ppm
Minimum over-range R
O
50 ppm 6,000 ppm
Over range typical R
T
80 ppm 10,000 ppm
Sensitivity (Linear range) S > 25 mV/ppm > 0.6 mV/ppm
Full Stabilisation Time (PPB 20 ppb, PPM 100 ppb) T
S
5 min 10 s
Warm-up Time T
W
< 5 s < 5 s
Response Time in diffusion mode(t
90
) T
R
< 3 s < 3 s
Offset Voltage V
OS
60-70 mV 50-54 mV
Gas Detection Specifications (general):
Target Gases
VOC’s with ionisation potentials < 10.6 eV
Temperature related response variance ±10% between -20 and 60
o
C, vs 20
o
C response
(please check item 4 on page 14)
Relative humidity range 0 to 99% RH, non-condensing
Product Specifications (general):
Lamp replacement
User replaceable (10.6 eV)
Electrode Pellet User replaceable
Onboard filter (within disposable pellet) Removes liquids and particulates
Package Type Alphasense
TM
CH-A3,City Technology
TM
4P,
20 mm dia x 16.6 mm high
Weight < 9 g
Positional Sensitivity None
Warranty 12 months from date of shipment.
(Please see page 25 for details on extended warranty)
Typical MiniPID Linearity