ĐỒNG HỒ ĐO ÁP SUẤT WIKA 212.20

Design
EN 837-1
Nominal size in mm
100, 160
Accuracy class
1.0
Scale ranges
0 ... 0.6 to 0 ... 1,000 bar
or all other equivalent vacuum or combined pressure and vacuum ranges
Pressure limitation

Steady:        Full scale value

Fluctuating: 0.9 x full scale value

Short time:  1.3 x full scale value

Permissible temperature

Ambient: -40 … +60 °C

Medium: +80 °C maximum

Temperature effect
When the temperature of the measuring system deviates from
the reference temperature (+20 °C): max. ±0.4 %/10 K of full
scale value
Ingress protection per IEC/EN 60529
IP54
Process connection
Copper alloy
Lower back mount
G ½ B (male), SW 22
Pressure element
< 100 bar: Copper alloy, C-type
≥ 100 bar: Stainless steel 316L, helical type
Movement
Copper alloy, wear parts argentan
Dial
Aluminium, white, black lettering
Pointer
Aluminium, black
Case
Stainless steel
Window
Instrument glass
Ring
Bayonet ring, stainless steel

Options
Other process connection
Sealings (model 910.17, see data sheet AC 09.08)
NS 100: Liquid filling (model 213.53, see data sheet PM 02.12)
NS 160: Liquid filling (model 233.50, see data sheet PM 02.02)
Increased medium temperature up to 100 °C with special soft solder
Increased medium temperature up to 200 °C (see data sheet PM 02.02)
Panel or surface mounting flange, stainless steel
Panel mounting flange, polished stainless steel
Triangular bezel, polished stainless steel, with clamp
Bourdon tube pressure gauge with switch contacts, model PGS21, see data sheet PV 22.01