4 Transmitter
8
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4.1.3. Accessories
The following accessories are available for the testo 6381
transmitter, amongst others:
•
Protection caps for probes
• Mains
unit
•
P2A software (parameterizing, adjusting and analyzing
software)
• Assembly
accessories
Information about accessories and their order numbers can
be found in volume 2,
Accessories and spare parts
or on
the website at www.testo.com.
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4.1.4. Technical
data
Parameters
• Differential
pressure
•
Humidity (various variables and units)
• Temperature
(°C/°F)
Differential pressure accuracy
The specifications are only valid if the positive pressure is
applied at the positive pressure connection.
•
0.5 % of measuring range, additional 0.3 Pa intrinsic error
1
• T
K slope drift
= 0.03 % of measuring range per degree Kelvin of
deviation from nominal temperature 22 °C
• T
K zeroing drift
= 0 %, as zeroing with solenoid valve
2
1
Measuring uncertainty in accordance with GUM: ±0.8 % of measuring range
final value ±0.3 Pa.
GUM (Guide to the Expression of Uncertainty in Measurement): ISO guideline for determining the
measuring uncertainty in order to render global measurement results comparable.
The following uncertainties are used during the inquiry:
• Hysteresis
• Linearity
• Reproducibility
•
Adjustment area/factory calibration
• Test
location
1.800.561.8187
info@Testo-Direct.ca
www.
Testo-Direct
.ca
All manuals and user guides at all-guides.com