ĐỒNG HỒ ĐO ÁP SUẤT WIKA 342.11

Design

EN 837-1, including transport case and acceptance test certificate (individual listing of the calibration points)

Nominal size in mm

250

Accuracy class

0.1: for scale ranges < 0 ... 400 bar

0.25: for scale ranges ≥ 0 ... 400 bar

Scale ranges

0 ... 1 to 0 ... 1,600 bar

or all other equivalent vacuum or combined pressure and vacuum ranges

Adjustment medium

≤ 25 bar: Gas

> 25 bar: Water

Pressure limitation

Steady:        Full scale value

Fluctuating:  0.9 x full scale value

Permissible temperature

Ambient: -20 ... +60 °C

Medium: +100 °C maximum

Temperature effect

When the temperature of the measuring system deviates from the reference temperature (+20 °C): max. ±0.1 %/10 K of full scale value

Ingress protection

IP54 per IEC/EN 60529

Process connection

Stainless steel

Lower mount (radial)

G ½ B (male), SW 22

Pressure element

Ni-Fe alloy

< 100 bar: C-type

≥ 100 bar: Helical type

Movement

Copper alloy, wear parts argentan

Dial

Aluminium, white, black lettering, scale 330°, with mirror band scale, for zero point setting rotatable by ±15°

Pointer

Knife edge pointer, aluminium, black

Case

Flange ring type case, aluminium, black-silver

Window

Clear non-splintering plastic, green tinted to prevent the dazzle effect

Bezel ring

Flange ring, aluminium, black-silver

Options

Other process connection

Adjustment medium water with scale ranges ≥ 4 bar

Surface mounting flange

Suitable for panel mounting (by means of clamp)

After-sales service booklet for 3 recalibrations

Capsule pressure gauge for low pressures from0 ... 6 mbar (model 612.11, see data sheet PM 06.04)