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WIKA operating instructions gas density monitor model GDM-63
EN
14502554.01 07/2021 EN/DE
To avoid damage:
1. Place the instrument, along with the shock-absorbent material, in the packaging.
Place shock-absorbent material evenly on all sides of the transport packaging.
2. If possible, place a bag containing a desiccant inside the packaging.
Information on returns can be found under the heading “Service” on our
local website.
8.3 Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an environmentally
compatible way and in accordance with the country-specific waste disposal regulations.
9. Specifications
Specifications
Nominal size
63
Calibration pressure P
E
To customer specification
Accuracy specifications
±1 % at an ambient temperature of 20 °C [68 °F]
±2.5 % at an ambient temperature of -20 … +60 °C [-4 ... +140 °F]
and with calibration pressure in accordance with reference
isochore (reference diagram KALI-Chemie AG, Hanover,
prepared by Dr. Döring 1979)
Scale range
■
-1 ... +1 bar
■
-1 ... +3 bar
Permissible ambient temperature
Operation
-20 ... +60 °C [-4 ... +140 °F], gaseous phase
Storage
-50 ... +60 °C [-58 ... +140 °F]
Process connection
G ¼ B per EN 837, back mount
Stainless steel, spanner flats 14 mm
Pressure element
Stainless steel, welded
Gas-tight: Leakage rate ≤ 1 · 10
-8
mbar · l / s
Test method: Helium mass spectrometry
Movement
Stainless steel
Bimetal link (temperature compensation)
Dial
Aluminium
The scale range is subdivided into red, yellow and green ranges
Pointer
Aluminium, black
8. Dismounting, return ... / 9. Specifications