P/N 7711048
Rev. A
HEMATOFUGE HORIZON 842HS Laboratory Centrifuge
Operator’s Manual
TABLE OF CONTENTS
Model Description page 3
Supplied Equipment page 3
Intended Use page 3
Warranty Information page 3
Specications / Recommended spins page 4
Control Panel / Parts of the Centrifuge page 5
Setup Location page 6
Initial Setup Procedure page 6
Operation page 7
Rotor Congurations
Sixteen-Place, Microhematocrit/ serum/QBC Rotor page 7
Default user settings page 7
Advanced User Settings page 8
Control Panel Functions
Time Adjustment and Timer Operation page 8
Speed Adjustment / RCF Display page 8
Starting and Stopping a Run page 8
Unlocking the Lid page 8
Advanced User Settings
Acceleration Rate page 8
Braking Rate page 9
Countdown Delay page 9
Imbalance Detection page 9
Audible Setting page 9
Memory Locations / Storing and Recalling page 10
Digital Cycle Counter page 10
Care and Preventative Maintenance page 11
Troubleshooting page 12
Safety page 13
Emergency Rotor Chamber Entry page 13
Calibration and Earth Ground Testing page 13
Replacement Parts page 14
page 2
WARNING: For the safety of both the operator and service personnel,
care should be taken when handling substances that are known to be toxic,
radioactive or contaminated with pathogenic microorganisms when using this
centrifuge. When Risk Group II materials are used (as identied in the World
Health Organization “Laboratory Bio-Safety Manual”), a Bio-Seal should
be employed. The rotor and rotor accessories should not be considered as
Bio-Seals. More than one level of protection must be provided in the case of
materials of a higher group. The use of ammable or explosive materials as well
as those materials which chemically react vigorously is prohibited.
Model Description
The Hematofuge 842HS is a continuous-duty, digitally-controlled centrifuge designed for the
separation of uid samples. The 842HS offers control over almost every aspect of the unit’s
operation from variable acceleration and deceleration to easy time and speed input. High speed
and force capability greatly reduce processing times. The
exclusive Drucker Microhematocrit rotor allows for quick
and easy sample loading and horizontal separation. Save
settings in one of 10 memory locations and recall them
at the touch of a button.
Intended Use
General purpose laboratory centrifuge for sample
separation.
SUPPLIED ACCESSORIES (Standard)
One (1) Sixteen-Place Microhematocrit/ serum/ QBC rotor
p/n
7786050
Also included (not shown):
• One (1) Line Cord • One (1) Operator’s Manual
WARRANTY:
The Drucker Company warranties that this centrifuge is free from
defects in workmanship and parts for 2 years.
Made in the USA by
200 Shadylane Drive • Philipsburg, PA 16866
Phone: 814-342-6205 or 814-692-7661 • Fax: 814-692-7662 • www.druckercompany.com
•The rotor and rotor accessories are rated for a rotational speed of 12,000 RPM (a force of 13,520 xg).
page 3
SPECIFICATIONS:
General Specications for the Hematofuge Horizon 842HS Centrifuge
Overall Dimensions (H x W x D): 20 x 28 x 34 cm
Centrifuge Motor: 1/2 H.P. Brushless DC
Protection Breaker: 4 Amp. re–settable
Timer: electronic, with hold
or 0 to 99 minutes, +/- 1%
Weight: 27 lbs (12.25 kgs)
Permitted Environmental Conditions:
Ambient Temperature During Operation: 2 °C - 50 °C
Maximum Relative Air Humidity: 90%
Electrical Requirements:
Power (Watts): 200
Voltage (Volts): 115 (+/- 10)*
230 (+/- 20)*
653V 115 Volts for US
653V 230V 230 Volts for Europe
Frequency (Hz): 50/60
*Check Serial Number Badge for Your Model Specic Voltage Requirement
RECOMMENDED SPINS
The following spinning times are recommended:
Serum Samples: 2 minutes 12,000 rpm
Urine Samples: 1 minute 1,000 rpm
The following spins are compulsory:
Hematocrit Samples: 5 minutes 12,000 rpm
QBC Samples: 5 minutes 12,000 rpm
page 4
CONTROL PANEL / PARTS OF THE CENTRIFUGE:
Lid
Lid Knob
Lid Safety
Interlock System
Control Panel
(see below)
Cabinet
RCF Conversion Button
RPM Display
Up/Down RPM
Change Buttons
Running
Indicator
Light
Locked
Indicator
Light
Unlocked
Indicator
Light
Start Button
Open / Stop Button
Time Display
Up/Down Time
Change Buttons
Brake
Display
page 5
Program
Button
Memory
Preset
Display
Memory Button