JULABO HT30-M1 High Temperature Circulator - Manual (Page 12)

Operator responsibility – Safety instructions
12
Electrical connections:
Computer interface
RS232 or RS485 or Profi
Programmer input 0 - 10 V / 0 - 20 mA
Temperatur recorder outputs Channel 1 / 2 0 - 10 V /
Channel 3 0 - 20 mA / 4 - 20 mA
Stand-by input
External alarm device Switching capacity max. 30 W / 40 VA
Switching voltage max. 125 V
∼/−
Switching current max. 1 A
External measurement and control sensor Pt100, 4-lead technique
Safety installations according to IEC 61010-2-010:
Excess temperature protection adjustable from 0 °C to 420 °C
Low liquid level protection float switch
Liquid level indication optical 8-graded
Rèpartition par classe selon DIN 12876-1 Classe III FL
Supplementary safety installations
High temperature warning function optical + audible (in intervals)
Low temperature warning function optical + audible (in intervals)
Supervision of the working sensor plausibility control
Reciprocal sensor monitoring between
working and safety sensors
difference >100 K
Alarm indication optical + audible (permanent)
Environmental conditions according to IEC 61 010-1:
• Use only indoor.
• Altitude up to 2000 m - normal zero.
• Ambient temperature: see Technical specifications
• Air humidity:
Max. rel. humidity 80 % for temperatures up to +31 °C,
linear decrease down to 50 % relative humidity at a temperature of +40 °C
• Max. mains fluctuations of ±10 % are permissible.
• Overvoltage category II
• Pollution degree 2
Caution:
The unit is not for use in explosive environment
Protection class according to IEC 60 529: IP21
The unit corresponds to Class I
Standards for interference resistance according to EN 61326-1
This unit is an ISM device classified in Group 1 (using high frequency for internal purposes) Class A (industrial
and commercial range).