Applications
For gaseous, dry, clean and non-aggressive media
Precision measurement in laboratories
Highest-accuracy pressure measurement
Testing and calibration of industrial type pressure gauges
Special Features
Knife edge pointer and dial with mirror band scale for
optimal accuracy of reading
Precise movement with wear parts of argentan
Particularly easy-to-read scale due to nominal size 250
Front access to the zero adjustment
Scale ranges from 0 … 6 mbar
Description
Design
Following EN 837-3, with measuring cell underneath the case,
class 0.1 instruments with transport case and acceptance test certificate
(individual listing of the calibration points)
Nominal size in mm
250
Accuracy class
0.1 and 0.25
Scale ranges
Class 0.1: 0 ... 25 to 0 ... 400 mbar
Class 0.25: 0 ... 6 to 0 ... 400 mbar
or all other equivalent vacuum or combined pressure and
vacuum ranges
Adjustment medium
Gas
Pressure limitation
Steady: Full scale value
Fluctuating: 0.9 x full scale value
Permissible
temperature
Ambient: -20 … +60 °C
Medium: +60 °C maximum
Temperature effect
The indicated class accuracy applies to a room temperature
of +20 °C. Temperature-related zero offsets can be corrected by means of the
zero adjustment.
Ingress protection
IP 54 per EN 60529 / lEC 529