Alpha Omega Instruments Corp.

- Model Series 860 - Dual-Channel Rack-Mounted Thermoelectric Cooler Controller

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The Series 860 Dual Channel Rack Mounted Thermoelectric Cooler Controller, like its single channel counterpart the Series 850 Rack Mounted Thermoelectric Cooler Controller, represents a significant advance in the state-of-the-art of thermoelectric cooler (TEC) controllers. The Series 860 provides two separate TEC Controllers in one 19' rack.

The Series 860 Dual Channel Rack Mounted Thermoelectric Cooler Controller, like its single channel counterpart the Series 850 Rack Mounted Thermoelectric Cooler Controller, represents a significant advance in the state-of-the-art of thermoelectric cooler (TEC) controllers. The Series 860 provides two separate TEC Controllers in one 19' rack.

It's no secret that in the past, thermoelectric cooler controllers required a significant amount of hands-on operation to provide satisfactory performance, particularly when variations in the load and/or environmental conditions existed. The Series 860 high power TEC Controller utilizes advanced control technology in combination with auto-tuning capabilities to provide unprecedented performance at a very affordable price. Unlike many industrial controllers that have cluttered front panels, the Series 860 TEC Controller features a user-friendly front control panel design. The Series 860 TEC Controller features full proportional, integral, and derivative (PID) control that provides exceptionally tight control over a wide temperature range, as well as rapid response to changes in operating conditions. The auto-tuning feature helps to ensure maximum performance over a broad spectrum of operating conditions. Auto-tuning sets the critical PID terms to match the conditions of the application and provides fast response while minimizing overshoot and undershoot. From the user's perspective, the need to make frequent manual adjustments has been virtually eliminated. For unique applications, users have the option to manually adjust the instrument's control parameters as desired. RS485 Serial Communications is standard. RS232C is optional. The Series 860 Thermoelectric Cooler Controller has five standard output power ratings for each channel:

  • 30 watts
  • 2 A @ 15 VDC
  • 60 watts
  • 4 A @ 15 VDC
  • 90 watts
  • 6 A @ 15 VDC
  • 120 watts
  • 8 A @ 15 VDC
  • 150 watts
  • 10 A @ 15 VDC

  • True Dual Channel Capability
  • Complete Digital Programmability
  • Exceptional Control Stability
  • PI D Control
  • Advanced Auto-Tuning
  • Dual Digital Displays per Channel
  • Optional GPIB

  • Highly cost effective when two controllers are required.
  • Maximum control with a user-friendly front panel interface
  • Provides long-term temperature stability of < 0.002° C
  • Obtain tight temperature control with quick response and fast settling time.
  • Automatically adjusts the critical operating parameters for enhanced performance.
  • Simultaneously displays set point and actual temperature for on-the-spot assessment.
  • Enhances the instrument's versatility.

  • Control : Uni-polar or Bi-polar, constant current, PID with Auto-tuning. User can select P, or P&I control only.
  • Compliance Voltage : 15 VDC
  • Maximum Output Current : Up to 10 amperes per channel for a total of 300W (150W/ 2 channels) Standard Maximums per channel: 2, 4, 6, 8, or 10 amperes
  • Maximum Output Power For Controller : Up to 300 watts (150W per controller) Standard maximums per channel: 30W, 60W, 90W, 120W, and 150W.
  • Temperature Sensors : 100 ohm RTD, Types E, J, K, N, and T thermocouples, thermistor, AD590/AD592, and LM35/LM135/LM335 as well as external voltage and current inputs
  • Range of Sensors : RTD's thermocouples, thermistors (0 to 100 Kohm and 0 to 1 Megohm), and active sensors AD590/592, and LM35/LM135/LM335 (-50ºC to 150ºC typical) Higher and lower temperatures can be measured depending upon the sensor type. Please consu
  • Long Term Stability : < 0.002ºC
  • Noise and Ripple : < 1 mA
  • Front Panel Displays Per Channel : Two 4-digit LED displays – red for actual temperature, and green for set-point temperature
  • Display : Thermoelectric Cooler temperature and set-point temperature in ºC or ºF (user selectable) with an RTD, thermocouple, AD590/592 and LM35/135/335. For a thermistor, the display is in Kohms.
  • Display Resolution : Thermistor 100 Kohm range, 0 to 99.99k or 10 ohms 1 Megohm range, 0 to 999.9k or 100 ohms For other sensors, such as RTDs, thermocouples, AD590/592, and LM35/135/335 sensors, the resolution is 0.1 ºC.
  • AC Power : 115/230 VAC, Internally selectable, 47-63 Hz.
  • Internal Cooling : Up to two (2) fans
  • Weight : 18 pounds (8.165 kg) maximum (300 watt instrument)
  • Controller Dimensions : 5.25 in. (133.35 mm) Height 19 in. (482.60 mm) Width 15.9 in. (403.86 mm) Length (3U chassis height) Note: All dimensions are without optional equipment
  • I/O Connections : Thermoelectric Cooler, Temperature Sensor, AC Power, optional EIA/RS-232/485 (using MODBUS protocol) and GPIB
  • Operating Temperature : 0º to 50ºC (32º – 122ºF)
  • Warranty : Two years

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