28
Technical data
Nominal voltage
VAC
230 ± 10%
100 ��� 115 ± 10%
Frequency
Hz
50 / 60
Max� input power
W
350
Working temperature range
°C
- 30 ��� RT
Operating temperature range (with external heating)
°C
- 30 ��� + 70
Temperature stability – internal temperature control, water
(according to DIN 12876)
K
± 0�15
Temperature control
PID (Automatic / user setting)
Temperature measurement, absolute accuracy
Internal (int) (adjustable by calibration)
External (ext) (adjustable by calibration)
K
± 0�5
± 0�5
External Pt 100�3 temperature sensor tolerance to DIN EN
60751 class A, ≤ ± (0�15 + 0�002 x |T|), e�g� at max� 100°C
(adjustable by calibration)
K
± 0�35 (at 100°C)
Temperature setting
Knob on
WiCo
Temperature setting resolution
K
0�1
Temperature display
TFT LCD on
WiCo
Temperature display resolution
K
0�01
Cooling capacity according to DIN 12876 (at 4000 rpm):
+ 20 °C
+ 10 °C
0 °C
- 10 °C
- 20 °C
- 30 °C
W
800
700
500
400
200
90
Refrigerant
R 290
Refrigerant quantity
g
69
Max� refrigerating system pressure
bar
21
Pump speed (adjustable)
rpm
2000 ��� 4000
Max� pump pressure/suction
bar
0�5 / 0�25
Max� flow rate (at 0 bar)
l/min
21
Bath volume
I
1�4 ��� 4�0
Fluid maximum viscosity
mm
2
/s
50
Low level protection
Yes
Interface
USB, RS 232
Permitted on-time
%
100
IP code according to EN 60 529
IP 21
Protection class
I
Excess voltage category
II
Contamination level
2
Permitted ambient temperature
°C
+ 5 ��� + 32
Permitted ambient humidity
%
80
Dimension (W x D x H)
mm
220 x 525 x 475
Weight
kg
26�5
Operation at a terrestrial altitude
m
max� 2000