Technical data

23
ERWEKA DT 1420
12, 13 and 14 stirrer type
ERWEKA DT 1420 is based on DT 720 user
interface (DT 1420i is based on DT 820 user
interface), but fitted with 14 Vessels arranged in
two rows (12, 13 or 14 stirrers).
The DT 1420 offers the possibility for one test
with 12/13/14 tablets or two tests with 6/7 tab-
lets. This enables the user to carry out stage 2
USP tests within one bath at equal test condi-
tions.
 Easy and comfortable operations:
UP/DOWN and START/STOP buttons for
test parameter setting as well as individual
big and bright LE displays for display
 Manual Lifter with hydraulic support
 Low-Head operations (MagniShaft)
 Low-Head- and High-Head operations
(UniShaft)
 Quick exchange system for the stirring
methods by magnets (MagniShaft)
 Automatic height adjustment of the stirring
elements
 Automatic vessel centering
 Acrylic glass water bath
 Corrosion-free plate for holding the vessels
 Evaporation less than 0.3% in Low Head
mode and less than 0.7% in High Head
mode (24h/37.0°C)
 External heating system with control by the
keypad and LE display of the DT 1420; ac-
curacy 0.2°C
 Standard Tablet Drop Magazine for 14
samples. Optional automatic tablet drop
with control of temperature tolerance
(USP) before drop
 Internal PT 100 temperature sensor for
water bath temperature display
 Optional external PT 100 temperature sen-
sor for water bath- or media temperature
display
 Calibration menu for quick calibration of
the temperature sensors
 Shaft wobble less than 0.2 mm at delivery
 Height adjustable feed for levelling
 Automatic self-check of the temperature in
the bath/vessels before test start
 Hours of operation counter
 USB interface for external control
 Optional USB printer interface for docu-
mentation of the test run parameters (time,
date, rpm, temperatures etc.) by a stan-
dard printer (PCL 3 language)