20
Technical data
Operating voltage
VAC
230 ± 10 % / 100–115 ± 10 %
Frequency
Hz
50 / 60
Max� input power
W
3000 (230 VAC) / 1750 (115 VAC)
Working temperature range
°C
- 25 ��� + 200
Operating temperature range
°C
- 25 ��� + 200
Temperature stability – internal temperature control 70 °C,
water (according to DIN 12876)
K
± 0�02
Temperature control
PID
Temperature measurement, absolute accuracy
Internal (int) (adjustable by calibration)
External (ext) (adjustable by calibration)
K
K
± 0�2
± 0�2
External Pt 100�3 temperature sensor tolerance to 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
Temperature setting resolution
K
0�1
Temperature display
LED
Temperature display resolution
K
0�1
Classification according to DIN 12876-1
Class III (FL) suitable for flammable and non-flammable fluids
Safety circuit (adjustable)
°C
0 ��� + 260
Safety temperature display
LED
Heating capacity
W
2500 (230 VAC) / 1250 (115 VAC)
Cooling capacity according to DIN 12876 (at 4600 rpm):
+ 20 °C
+ 10 °C
0 °C
- 10 °C
- 20 °C
W
350 (400 W at 3200 rpm)
320 (370 W at 3200 rpm)
270 (320 W at 3200 rpm)
190 (240 W at 3200 rpm)
80 (130 W at 3200 rpm)
Refrigerant
R134a
Refrigerant quantity
g
230
Max� refrigerating system pressure
bar
20
Pump speed
rpm
1000 ��� 4600
Max� pump pressure/suction
bar
0�61 / 0�45
Max� flow rate (at 0 bar)
l/min
31
Bath volume
I
5–7
Fluid maximum viscosity
mm
2
/s
50
Sub-level protection
Yes
Interface
USB, RS 232
Permitted on-time
%
100
Protection class 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
275 x 490 x 635
Weight
kg
39�5
Operation at a terrestrial altitude
m
max� 2000
Note
:
Refrigerant must be disposed of in accordance with local and national regulations�
Note
:
Complies to EN61000-3-11 subject to conditional connection: Zmax = 0�13 Ω� If necessary, consult your electricity supplier�
Subject to technical changes!
