Complete Information 
Extremely bright and easy-to-read display 
All set and actual parameter values are displayed in parallel 
Information includes set speed, real speed, torque and timer 
 
 
Outstanding Performance 
Operating time can be set up to 999:59 minutes; automatic switch off. 
SpeedServo™ ensures constant speed even when the viscosity changes 
Electronic speed regulation from 50 to 2000 rpm 
Can stir up to 25 liters of water 
Maximum torque of 40 Ncm 
Will stir liquids up to 25 000 mPa*s viscosity 
Soft start to prevent splashes and the creation of bubbles 
 
 
Robust Design 
Technopolymer structure prevents any possible rust 
Optimum chemical resistance and enhanced handling 
Long life, robust motor 
 
 
Safety Above All 
Automatically stops if blocked – no burn-out or damage 
Overload, overcurrent and overtemperature protection 
Sealed to IP 40 standard 
Designed for the longest lifespan and guaranteed by 3 years warranty 
 
 
Convenient Operation 
Hand-tightened chuck; no tools required 
Universal voltage / frequency model 
 
Overhead Stirrers - Digital Display, Torque, Time and Speed Monitoring 
DLS overhead stirrer guides the user with an extremely bright and easy to read display; all the most important parameters are available at a glance. 
Set speed, real speed, torque and remaining time can be accurately monitored at any time. 
 
DLS is equipped with a programmable timer for unattended operation, settable up to 999:59 minutes and with automatic switch off. 
 
Overhead Stirrers - Powerful Stirring, Accurate Speed Control 
 
The powerful VELP Scientifica overhead stirrers can accomplish the most demanding tasks whilst providing soft start and intensive mixing! 
 
DLS overhead stirrer can reach up to 2000 rpm, is ideal for volumes up to 25 litres and low-medium viscosities, up to 25,000 mPa*s. 
In addition, DLS is equipped with the counter-reaction, to keep the stirring speed constant, even when liquid viscosity changes. Exact speed under changing load is ensured! 
 
Overhead Stirrers - Longevity and Reduced Cost of Ownership 
 
All ouroverhead stirrers have been accurately designed and manufactured for offering the longest lifespan available, even in the worst operating conditions. 
The sealed housing protects the stirrer from aggressive liquids and vapors and prevents internal corrosion. 
The robust motor ensures to our overhead stirrers years of continuous operation, with no extra costs for maintenance. 
 
Overhead Stirrers - Easy Chuck and Maximum Safety 
The easy chuck is extremely easy to close, and can accommodate shafts with up to 10 mm diameter. 
No need for special tool, but the simplest and most comfortable system available. 
 
VELP Scientifica overhead stirrers are extremely intuitive and easy to use, being also equipped with the most advanced safety features, including overload, overcurrent and overtemperature protection. 
All the overhead stirrers work in accordance with the protection rate IP 40.