Operating Manual - John Morris Scientific

Operating manual
Technical specifications
F81-HL
F83-HL
Working temperature range °C -81 ... 100 -83 ... 50
Temperature stability °C ±0,02 ±0,02
Temperature selection
digital
via keypad
indication on LCD DIALOG-DISPLAY (°C/°F)
remote control via personal computer indication on monitor
Temperature indication
VFD COMFORT-DISPLAY (°C/°F)
Resolution °C 0.01
Absolute Temperature Calibration °C ±3
Temperature control
ICC - Intelligent Cascade Control
Heater wattage (at 230 V) kW 1,3 1,3
Cooling capacity °C +20 0 -20 -40 -60 -80 +20 0 -20 -40 -60 -80
Medium ethanol kW 0.45 0.38 0.36 0.32 0.27 0.07 0.9 0.78 0.72 0.6 0.38 0.12
Cooling compressor 2-stage 2-stage
Refrigerant R404A/R23 R404A/R23
Electronically adj. pump capacity stages 1 ... 4 1 ... 4
Flow rate l/min at 0 bar 22 ... 26 22 ... 26
Pressure max. bar at 0 liter 0.7 0.7
Suction max bar at 0 liter 0.4 0.4
Electrical connections:
External alarm device 24-0 V DC / max. 25 mA
Computer interface RS232 or RS485
External Pt100 sensor
Optional for HL and SL
(Order No. 8900100 Electronic module with analog connections)
Programmer input -100 °C to 400 °C = 0 - 10 V or 0 - 20 mA or 4 - 20 mA
Input for the signal of a flow meter or external manipulated variable
Temperature recorder outputs 0 - 10 V (0 V = -100 °C, 10 V = 400 °C)
0 - 20 mA (0 mA = -100 °C, 20 mA = 400 °C)
4 - 20 mA (4 mA = -100 °C, 20 mA = 400 °C)
Standby input
for external emergency switch-off
Alarm output
for external alarm signal
Overall dimensions (WxDxH) cm 50x58x89 55x60x92
Bath opening (WxL) cm 13x15 13x15
Bath depth cm 16 16
Filling volume liters 5 ... 6,5 5,5 ... 8
Weight kg 88 118
Ambient temperature °C 5 ... 40 5 ... 40
Mains power connection V/ Hz 207-253 / 50-60 207-253 / 50
230 V
Current input (at 230 V) A 16 16
Mains power connection V/ Hz
207-253 / 60
230 V/60 Hz
Current input (at 230 V) A 16
All measurements have been carried out at: rated voltage and frequency ambient temperature: 20 °C
Technical changes without prior notification reserved.
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