Wika pressure gauge 
63 mm face
1/4 inch BSP(M) port
Bottom entry
Stainless steel
Liquid filled
4000 kPa (580 psi)

The Wika story
Wika is a German company that began in 1946
The product range today includes a wide variety of pressure measuring equipment
Milestones:
1946: Alexander Wiegand founds the Wika company together with Philipp Kachel
1951: Dr. Konrad Wiegand takes his father's place
1967: Ursula Wiegand takes over the company
1984: Ursula Wiegand is the first woman to become Business Owner of the Year
1996: Alexander Wiegand leads the family business into the 21st century
History:
1960: Expansion domestically and, for the first time, also overseas
1970: Largest manufacturer of pressure gauges in Europe
1980: Manufacture of the 100,000,000th pressure measuring instrument
1994: Certification to DIN ISO 9001
1996: Worldwide no. 1 for mechanical pressure and temperature measuring instruments
1999: New sensor/technology centre with a 10,000 m2 production area
2002: "Wika goes lean": Start of the Kaizen activities for production optimisation
2008: Majority holding in KSR KUEBLER Niveau-Messtechnik AG
2011: Acquisition of DH-Budenberg
2012: Acquisition of the companies Euromisure and Gayesco 
Wika today:
The development and high-tech production in Wika owned modern production facilities (Germany, Brazil, Canada, China, India, Italy, Poland, South Africa, Switzerland and USA f.l.t.r.) is the best warranty for flexibility. 
More than 50 million quality Wika products are delivered to over 100 countries every year. 
Worldwide, approximately 600 million Wika measuring instruments are in use. 
Headquarters:
Wika Alexander Wiegand SE & Co. KG 
Alexander-Wiegand-Straße 30 
63911 Klingenberg 
Germany