Hanna Instruments HI 300N Instruction Manual page 9

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 2 3
MAGNETIC STIRRER HI 304N
SPEED IN RPM
ON
OFF
POWER
SPEED
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
16
4
0.5'
MAX
OFF 3'
REVERSE
PERIOD
Maximum
Stirring
Capacity
Speed Range
Min.
Max. 800 to 1000 rpm
Tachometer
Power Supply
HI 304N-1 110/115 Vac, 50/60 Hz
HI 304N-2 220/240 Vac, 50/60 Hz
Installation
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.)
17
HI 304N
2.5 Liters
(0.66 gallons)
100 rpm
4-digit LCD
II