Light and compact to take with you, only 65cm long when folded.

There are 100 needles of the same size in one package.

Selection of sizes:

• 000
• 00
• 0
• 1
• 2
• 3
• 4
• 5

NB! The price is per package. When ordering, please indicate the desired needle size in the comments box.

Suitable for determining solutions in chemistry. Turns red when the pH is below 4 and blue when the pH is above 9. 4.8 m in a roll.

The optical system consists of three lenses in a metal housing.

In a plastic box.

pH buffer solutions 4.01; 7.00 and 10.00. Ready to use, in sachets, 25ml each.

Min unit 1 pH unit. Roll 4.8m

For determining the acidity or alkalinity of various liquids. 100 strips, range 0-14 pH, step 1pH unit

For determination of bases, turns pink when pH is above 9. Roll 4.8 m.

Diameter 170mm, holes 3.35/1.7/0.25/0.125/0.071mm. The picture is illustrative.

Made of glass, wall thickness 0.8mm.

Temperature tolerance 525°C, acid class according to DIN 12116: S1, alkali class DIN SO 695: A2

UV lamp with handle.

2 wavelengths switchable: 254 nm and 366 nm.

Nominal lighting power: 6W

Power supply: 230V

Dimensions: 290 x 70 x 60 mm

Filter: 22*70mm