With permanent white graduations
Without stopper
according to DIN 12387

Low maintenance gel reference system.

Low maintenance ARGENTHALTM gel reference system.

Filter paper diameter: 55 mm

Filter paper diameter: 70 mm

Filter paper diameter: 90 mm

Filter paper diameter: 110 mm

Supplied per metre, or on original standard coils of 25 m upon request.
Temperatur resistance: -30 tot +60°C
Hardness: 50 Shore A

Supplied per metre, or on original standard coils of 25 m upon request.
Temperatur resistance: -30 tot +60°C
Hardness: 50 Shore A

Supplied per metre, or on original standard coils of 25 m upon request.
Temperatur resistance: -30 tot +60°C
Hardness: 50 Shore A

Screw height: 25 mm
Screw material: Brass
Hexagonal head material: Galvanized steel
Bandwidth: 11 mm

Screw material: Galvanized steel
Wing nut material: Plastic
Bandwidth: 10 mm

According to ISO 6556 standard.
Diameter (d2): 60 mm
Diameter (d1): 165 mm
Height: 255 mm
Hose connection diameter: 10 mm

erlenmeyer shape.
Diameter (d2): 60 mm
Diameter (d1): 166 mm
Height: 255 mm
Hose connection diameter: 10 mm

According to ISO 6556 standard.
Diameter (d2): 45 mm
Diameter (d1): 135 mm
Height: 230 mm
Hose connection diameter: 10 mm

erlenmeyer shape.
According to ISO 6556 standard.
Diameter (d2): 35 mm
Diameter (d1): 105 mm
Height: 175 mm
Hose connection diameter: 10 mm

erlenmeyer shape.
According to ISO 6556 standard.
Diameter (d2): 35 mm
Diameter (d1): 85 mm
Height: 145 mm
Hose connection diameter: 10 mm