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This temperature controller was developed for the needs of high changes of power supply witch happen by regulating small temperature differences:

• solid state based control
• heating & cooling operation
• 2 digital temperature sensors
• different programs of controlling for operator selectable
• data recording and parameterisation via RS232 interface
• LED-display for temperature and disruption
• additional connector block for fan
• adjustable over-travel time for fan (hot side)
• DIN-rail mounting
• lockable transparent cover
• audible malfunktion message

Technical data:

• operating voltage: 24VDC
• maximum switching capacity: 16A @ 24VDC
• switching voltage: 12-24 VDC
• operation temperature: -10°C to +45°C
• controlling temperature range: -34.9°C to +144.9°C
• display accuracy: 0.1°C at 0 to 59.9°C (normal range)
• display accuracy: 1°C at -34.9°C to 144.9°C (extended range)
• hysteresis for heating & cooling: 0,1 to 9,9°C separately adjustable
• display: 4 digits 7 segment LED
• 2 digital temperature sensors: NTC-input
• malfunction contact: relays contact (closing contact)
• protection class: IP40
• dimensions: (W x H x D) 107 x 61 x 90mm

Temperature controlling:

• program 1 – two-step control: sensor 2 for hot- or cold-side monitoring
• program 2 – difference control: sensor 1 is lead sensor