Barnstead International MaxQ 4000, Manual

Page: 6 / 36

6
G
ENERAL
S
PECIFICATIONS
Speed Accuracy
40 to 400 rpm 40 to 400 rpm
15 to 500 rpm
±1 rpm
15 to 500 rpm
±1 rpm
Timer
Continuous or timed
operation from 1-60
min.
Continuous or timed
operation from 1-60
min.
Continuous or timed
operation 0.1-999
hours or 0.1-999
mins.
Continuous or timed
operation 0.1-999
hours or 0.1-999
mins.
Display
3 individual LED
displays indicate
temperature in 1°C
increments. Analog
tachometer displays
speed in rpm.
3 individual LED
displays indicate
temperature in 1°C
increments. Analog
tachometer displays
speed in rpm.
3 individual LED
displays indicate
temperature, time
and speed simulta-
neously. 3 charac-
ters height 1/2
inch (1.27 cm)
3 individual LED
displays indicate
temperature, time
and speed simulta-
neously. 3 charac-
ters height 1/2
inch (1.27 cm)
Mutable Alarms
None None
Audible portion of
the alarm can be
silenced for a period
of 1 hour without
deactivating the
actual alarm
condition by
depressing any key.
Audible portion of
the alarm can be
silenced for a period
of 1 hour without
deactivating the
actual alarm
condition by
depressing any key.
Motor
Permanent Magnet
DC
Permanent Magnet
DC
Solid State
Brushless DC
Solid State
Brushless DC
Soft Start Feature
None None
Software algorithms
prevent sudden
start/stops.
Software algorithms
prevent sudden
start/stops.
RS232 Interface *
None None
Monitor speed,
temperature in °C
and time with a
computer.
Monitor speed,
temperature in °C
and time with a
computer.
Recorder Output *
None None
10 mv/°C output
monitors tempera-
ture with external
chart recorder.
10 mv/°C output
monitors tempera-
ture with external
chart recorder.
Model number
All Analog
“A” Series units
All Analog
“A” Series units
All Digital
“E” Series units
All Digital
“E” Series units
* Interface cables not to exceed 9.8 ft. (3 m) in length.