User Guide

3
3
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONS
See Table 1 and Table 2 for specifications of
each model. The capacity indicates in the
Tables refer to stirring water with a viscosity of
0.001 N.s/m
2
at 25ºC.
All Models:
Speed Control:
ON/OFF and continuously variable with
potentiometer knob
Drive:
Direct drive D.C. Motor with magnet
Power Consumption:
4W
Torque Delivered:
85 g. cm
Power Supply:
100/115/240 VAC 50/60 Hz or DC 12-
16V depending on models
Fuse:
200 mA or 1A. 20 mm length x 5 mm
diameter depending on models
Stirring Bar:
Magnet enclosed in PTFE
for HI 190M, HI 190MB and HI 200M,
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
Remove the instrument from the packing mate-
rial and examine carefully to make sure that no
damage has occurred during shipment. If no-
ticeable damage is found, immediately notify
the shipper and contact your Dealer's Service
Department.
NOTE: Conserve all packing material until the
instrument has been observed to function cor-
rectly because all defective items must be
returned to the Dealer in their original packing.
istrstirR2.p65
4
4
25 mm length x 7 mm diameter
for other models, 50 mm length x 7 mm
diameter
HI 3050N stirrers with incorporated pH meter:
Range: 0.00 to 14.00 pH
0.0 to 100ºC
Resolution: 0.01 pH
0.1ºC
Accuracy: ±0.01 pH
±0.4ºC
Input Resistance:
10
12
Ohm
Calibration:
Double-point in neutral buffer solution
plus an acid or alkaline buffer solution
Offset Regulation:
±1 pH
Slope:
85% to 105%
Temperature Compensation:
Completely automatic with HI 7667 tem-
perature probe from 0ºC to 100ºC. The
values indicated refer to temperature at
25ºC
Table 3 lists the electrodes for various ap-
plications that can be used with HI 3050N.
Model
HI 190M
HI 190MB
HI 200M
HI 300N
HI 301N
HI 302N
HI 303N
HI 304N
HI 3050N
Capacity
(Ltr)
1
1
1
2.5
2.5
2.5
2.5
2.5
1
Speed Range
(rpm)
Min: 100
Max: 1000
Min: 100
Max: 1000
Min: 100
Max: 1000
Min: 100 to 500
Max: 100 to 1000
Min: 100
Max: 1000
Min: 100 to 500
Max: 100 to 1000
Min: 100
Max: 1000
Min: 100
Max: 1000
Display





4-digit LCD
for rpm
4-digit LCD
for rpm
pH /
set point
Casing
Material
All plastic
Stainless
steel cover
All plastic
Stainless
steel cover
Stainless
steel cover
Stainless
steel cover
Stainless
steel cover
plastic
Size
LxBxH (in mm)
120x120x45
120x120x45
180x180x70
180x180x70
180x180x70
180x180x70
180x180x70
180x180x70
Weight
(Kg)
0.6
0.5
0.6
1.6
1.6
1.6
1.6
1.6
1.3
Table 1: Mini and Normal Stirrers