Instructions For Use - VWR Bottle Top Dispenser Manual De Instrucciones

Weight, Dimensions
Volume range
in ml
2,0 - 10,0
10,0 - 50,0
Operating Temperature
The operating temperature is from +15° C (+59° F) to +35° C (+95° F).
Finger guard
Finger guard made of PP. All descriptions on the finger guard are printed
and the graduation on the scale is lasered in order to guarantee perma-
nence.
Volume setting system
Easy-to-use volume setting system with fine adjustment for calibration.
Suitable to be used by left- and right-handers.
Dispensing cylinder (clear glass for 612-4750/4751, 612-3669/3670,
amber glass for 612-3671/3672)
Integrated glass cylinder, vacuum-calibrated and plastic coated, with
stopper ring. Graduation printed black.
Valve block and FIX Adapter made of PP.
Valves Intake and discharge valve made of PP. Ceramic valve balls.
Hastelloy metal spring in discharge channel.
Dispensing piston
612-4750/4751
ground glass, 612-3669/3670:
glass, PTFE-coated piston
Discharge tube
Integrated discharge tube made of PP. For safety reasons the discharge
tube can not be taken apart. White stopper cap made of PP.

Instructions for use

Operation
Assembling / Filling
Before using the dispenser please check the dispenser
for any damages or glass breakage.
(1) Push intake tube over the hose connection of the PP
valve block. (2) Screw dispenser direct onto containers
with thread GL 32 or use adapters to fix on any other
threads or ground joint necks. Check the correct fitting.
Weight
in g appr.
+ 612-3671/3672: Dispensing piston made of precision
Dispensing piston made of precision ground
132
237
Height
in mm
160
220
1
2
7–60