Name: JAKO Fig. 903 Industrial pressure gauge | Highest precision since 1949
Brand: Industrial pressure gauge

Fig. 903 Industrial pressure gauge

Symbol image

Fig. 903 Industrial pressure gauge

Application and performance features

High-quality measuring device, especially for plant engineering and industrial applications
Simple attachment to walls, panels or other surfaces using screws or rivets
Bayonet fitting made of stainless steel, sight glass made of instrument glass, pressure connection pin made of copper alloy
Suitable for high loads and adverse environmental conditions
Pressure measurement of gaseous, low-viscosity and non-crystallizing media that do not attack the copper alloy
Display ranges according to EN 837-1 between -1 bar and 1000 bar
Accuracy class 1.0 according to EN 837-1

Type standard	conforms to EN 837-1
Measuring principle	Elastic measuring elements (Bourdon tube up to 60 bar, coil spring from 100 bar), which deform under pressure load
Nominal size	100 mm, 160 mm, 250 mm
Display ranges	-1 bar to 1000 bar
Accuracy class	1,0
Load capacity	Resting compressive load: full scale value, overload 1.3 x full scale value Dynamic load: 30% to 95% of the full scale value, up to 200,000 load cycles
Installation types and position of the pressure connection spigots	Free-standing process connection at the bottom, wall-mounted with 3-hole attachment
Material	Bayonet fitting and rear mounting rim: Stainless steel 1.4301 Window: Instrument glass Measuring element: Copper alloy or stainless steel Pressure connection pin: Copper alloy 2.0401 Pointer: Aluminium, black anodized Dial: Aluminium, white coated, black printed
Enclosure protection class	IP54 according to EN 60529
Medium temperature	max. +100 °C
Ambient and storage temperature	-20°C to +60°C
Suitable media	Gaseous, liquid with low viscosity

Nominal size	D	D2	LK	d	d2	b	c	h	e	SW
100	101	132	115	99	5	53	82	20	18	22
160	161	195	175	159	6	53	118	20	19	22
250	251	285	270	249	6	60	162	20	18	22

^{All dimensions in millimeters.}

Customized imprint (text, logo), special scale	from 1 pc.
Min. or max., min. and max. drag indicator, resettable	from 1 pc.
Red setting pointer, adjustable from the outside	from 1 pc.
Throttle screw	from 1 pc.
Works certificate 2.1 (EN 10204)	from 1 pc.
(Material) acceptance test certificate 3.1 (EN 10204)	from 1 pc.
Factory calibration	from 1 pc.
Calibration	from 1 pc.
Special threads (e.g. NPT, BSP, metric)	from 10 pcs.
Laminated safety glass in accordance with S1 (EN 837-1)	from 1 pc.
Oil and grease-free design incl. certificate	from 1 pc.

^{Other special versions on request.}

Nominal size 100 mm, 160 mm, 250 mm

G1/2 B, copper alloy 2.0401

Please observe the relevant standards and laws, as well as the installation and operating instructions for pressure gauges.

In particular, we would like to draw your attention to the suitable media with regard to material resistance and their maximum media temperature.

This specification refers to our current standard with regard to design, dimensions and materials. JAKO Messtechnik GmbH reserves the right to make changes or modifications without prior notice.