12
Specifications
TecPen
Weld
O2
Measurement
range
0
‐
2,000ppm
Range
Accuracy
0
‐
500
ppm
±2%
Mev**
500
‐
1000
ppm
±3%
Mv*
1000
‐
2000ppm
±4%
Mv*
Resolution
1
ppm
Response
time
at
25°C/
77°F
<15s
Pump
flow
max.
400mL/min
Temp.
range
Min./Max
‐
10°C/
+60°C
14°F/140°F
Medium
Gas
Power
supply
5V
USB
and
LiPo
battery
Rechargeable
battery
lifetime
> 3
hours
per
charge
Data
Interface
USB
Temperature
compensation
10
‐
30°C
50
‐
86°F
Display
OLED
Display
Cleaning
housing
No
organic
solvents.
40%
EtOH
Parts
touching
sample
St.1.4404
/
PTFE
/
glass
Case
aluminium
anodized
Protection
IP65
Full
service
interval
by
Manufacturer
(includes
necessary
retrofitting)
3
years
Life
time
of
sensor
cap
(protective
atmosphere
under
welding
conditions;
0
‐
60°C;
with
proper
gas
filtering)
24
months
Sensor
cap
replacement
interval
2
years
Recommended
zero
‐
point
adjustment
interval
by
customer
6
months
Warranty
1
Year
ex
works
**Mev
=
measured
end
value
*Mv
=
measured
value
