Hitachi CR21N, Instruction Manual

Page: 102 / 112

7. Specifications
CR22N CR21N
Maximum speed 22,000 rpm 21,000 rpm
Maximum RCF
55,200xg
（
R22A4 rotor
）
53,200xg
（
R21A rotor
）
Maximum capacity (nominal)
6,000ml
（
R9A2 rotor
）
4,000ml
（
R9A rotor
）
Set speed 300 to 22,000rpm 300 to 21,000rpm
Set temperature -20º C to +40º C
Set time
1 second to 99 minutes and 59 seconds; HOLD for continuous
operation
(Option: 1 minute to 99 hours and 59 minutes)
Acceleration/deceleration
control
9-stage variable acceleration control, 9-stage braked deceleration, plus
coasting deceleration control
Program function
Capable of saving 30 programmed run conditions, displaying/setting the
RCF(g)and g
･
sec, and RTC (real-time control) operation
Lockout function available
Machine log management
function
available
Variable deceleration slope
function
available unavailable
Driving motor Induction motor (inverter-controlled)
Refrigerator Fully enclosed (refrigerant: HFC410A)
Safety devices
Door interlock, dual-overspeed detector, imbalance detector and
over-temperature detector
Applicable standard CE marking(*1)
Dimensions
700 (W) x 760* (D) x 915 (H) mm
from bottom to the chamber inlet: 853mm
*Measurement including rear
duct ass'y
Screen display and operation Color touch-sensitive LCD
Power requirements

Supply required
Single phase: AC200/208/220/230/240 V+/-10 %, 50/60 Hz, 30 A

Centrifuge rating
AC200-240 V, 50/60 Hz, 24 A
Environment requirements
Altitude 2000M max.
Humidity of 80% max. for temperatures up to 31
o
C , decreasing to
50% relative humidity at 40
o
C
Indoor use
Installation category:
Pollution degree:2
Ambient temperature
Ambient temperature for operation : 2°C to 40°C
Ambient temperature for performance guarantee : 15°C to 25°C
Weight 260 kg
7. Specifications
7-1