Cryopreservation Systems

cryopreservation systems

TEC 3000 Controller

The TEC 3000 employs a variety of advanced features that enable the controller to monitor and control the environment inside a freezer with a high level of precision.

Features and Benefits

  • Liquid nitrogen level management
  • Automatic liquid nitrogen level control
  • Two channel temperature measurement
  • Multiple-use adjustable alarms
  • Adjustable security/password system
  • One fill all capability (sequential or simultaneous)
  • Timed filling
  • Battery backup (optional)
  • Gas bypass (optional)

Specifications

Level Measurement
    Sensor type - Dual port pressure transducer measurement accuracy +/- .5"; +/- (13 mm) typical Liquid usage feature Two point calibration feature
Level Control
  • Range 3-48" (76-122 mm)
    • Control output - Fill solenoid valve 24 VDC, 1.0 amp (maximum)
Temperature Measurement
  • Two sensors, platinum RTD - Two wire element
    • Accuracy +/- 2.0 °C full scale
    • Altitude compensation for accuracy
    • Full range calibration feature
    • Probe heater for high temperature alarm testing
Front Panel Display
  • Backlit LCD readout, 4 row x 20 character
  • Level display – inches, mm, %
  • Temperature display – °C, °F, or K
Standard Alarms
  • Alarm conditions
    • Low level alarm
    • High level alarm
    • Low temperature (probe A & B)
    • High temperature (probe A & B)
    • Full time alarm
    • Power failure (remote only)
    • Lid open alarm
    • Usage warning and alarm
    • Temperature calibration alarm (probe A & B)
Optional Alarms
  • Bypass sensor failure
  • Bypass time
  • Bypass sensor calibration
  • Power failure (audible, visual and remote alarms)
  • Low battery voltage
Alarm Output
  • Both visual and audible alarms
  • One global remote alarm relay
  • Four discrete remote contacts
    • Temp A high
    • Low level
    • High level
    • Low battery (optional when equipped with battery backup)
Controller Features
  • Communication interface - Serial communication RS485/ASCII/MODBUS
  • Memory - Stores time and date stamped information on the controller’s 30,000 most recent events