21
A failed calibration will be
indicated by the red cross icon,
press the rotating arrow icon to
attempt calibration again.
If the problem persists see
‘Troubleshooting’ or call the
local supplier of Bedfont®
products.
Return to the home screen by
pressing the home icon.
Technical Specification
Concentration range
0-500ppm
Display
Full colour touchscreen
Detection principle
Electrochemical sensor
Repeatability
≤±5%
Accuracy
≤±2ppm/5%*
Power
3 x AA (LR6 or equivalent)
–
up to 1000 minutes
1 x CR2032 Lithium coin cell
T
90
response time
<30 seconds
Operating temperature
15-40°C
Storage/transport temperature
0-50°C
Operating/storage/transport pressure
Atmospheric ±10%
Operating humidity
15-90% RH (non-condensing)
Storage/transport humidity
0-95% (non-condensing)
Sensor operating life
5 years
Sensor sensitivity
1ppm
Sensor drift
<5% per annum
Dimensions
Approx. 37 x 77 x 140 mm
Weight
Approx. 215g (including batteries)
Materials
Case: polycarbonate/ABS blend
SteriTouch® anti-microbial additive
D-
piece™: polypropylene
SteriBreath™
Eco: paper
H
2
cross interference
≤
8fwip%
*whichever is greater