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)

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