Name: JAKO Fig. 703 Industrial refrigeration system pressure gauge | Highest precision since 1949
Brand: Pressure measurement technology

Fig. 703 Industrial refrigeration system pressure gauge

Symbol image

Fig. 703 Industrial refrigeration system pressure gauge

Application and performance features of the refrigeration system pressure gauge

High-quality measuring device, especially for refrigeration technology
Suitable for high loads and adverse environmental conditions
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
Double scale for the pressure and the resulting temperature
Pressure measurement of refrigerants containing ammonia
Display ranges between -1 bar and 25 bar
Accuracy class 1.0 according to EN 837-1

Design standard	based on EN 837-1
Measuring principle	Elastic measuring elements (Bourdon tube) that deform under pressure load
Nominal size	100 mm, 160 mm
Display ranges	-1 bar to 25 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, eccentric at the rear, wall installation with 3-hole mounting
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 Sealing material: NBR (Perbunan), silicone-free
Enclosure protection class	unfilled IP54, filled IP65 according to EN 60529
Medium temperature	<60 °C
Ambient and storage temperature	-20°C to +60°C
Suitable media	Ammonia-free refrigerants

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

^{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.

^{Other special versions on request.}

Nominal size 100 mm, 160 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.