Hanna Instruments HI 300N User Manual
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HI 304N
Maximum
2.5 Liters
Stirring
(0.66 gallons)
Capacity
Speed Range
Min.
100 rpm
Max.
800 to 1000 rpm
Tachometer
4-digit LCD
Power Supply
HI 304N-1
110/115 Vac, 50/60 Hz
HI 304N-2
220/240 Vac, 50/60 Hz
Installation
II
category
Cover
AISI 316 stainless steel
Material
Environment
0 to 50ºC (32 to 122ºF);
RH max 95% RH
Dimensions
180 x 180 x 70 mm
(7.1 x 7.1 x 2.8")
Weight
1.4 kg (3.1 lb.)
HI 304N
AUTO-REVERSE STIRRER WITH TACHO-
METER
HI 304N is a heavy-duty stirrer with a built-in
tachometer. An advanced circuit allows to re-
verse the direction of the stir at an interval that
can be adjusted from 30 seconds up to 3
minutes.
1. rpm LCD displays the rpm speed
2. Power indicator (LED lights up when the
stirrer is powered)
3. ON/OFF/SPEED knob, to turn the stirrer
ON and OFF, and set the stirring speed
(continuously variable up to the maximum)
4. REVERSE PERIOD knob with the ON/OFF
and continuously variable selection of inver-
sion cycle time in minutes, from 0.5 to 3
minutes
MAGNETIC STIRRER HI 304N
SPEED IN RPM
POWER
SPEED
REVERSE
PERIOD
ON
OFF
OFF
MAX
0.5’
3’
2
4
3
1