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General| Type | Variable Temperature Unit |
|---|---|
| Temperature Range | -150 °C to +300 °C |
| Temperature Stability | ± 0.1 °C |
| Cooling Method | Liquid Nitrogen |
| Compatibility | Bruker NMR Spectrometers |
| Controller | Bruker Temperature Controller |
| Heating Method | Electrical Resistance Heater |
| Temperature Sensor | Platinum Resistance Thermometer (PRT) |
Overview of the BVT3000 unit and its microcontroller interface for remote control.
Details the main components of the BVT3000, including the interface board and its connections.
Diagram illustrating the physical layout and location of key components within the BVT3000 unit.
Explains how the BVT3000 regulates sample temperature using gas flow and sensors.
Identifies and describes the connectors and indicators on the BVT3000 front panel.
Describes the gas flow regulation system, including pressure regulator, valves, and flow sensor.
Provides instructions for connecting the gas supply and configuring the initial gas flow rate.
Details the various connectors available on the front panel of the BVT3000 unit.
Pin assignment and function for the heater connector on the front panel.
Pin assignment and function for the Pt100 temperature sensor connector.
Pin assignment and function for the thermocouple temperature sensor connector.
Pin assignment and function for the RS232 serial communication connector.
Pin assignment for the optional N2 connector, used for nitrogen-related features.
Pin assignment for the BCU05 gas cooler connector.
Pin assignment for the BVTB 3500 connector, likely for a power booster.
Description of the BASM module for connecting up to four auxiliary temperature sensors.
Description of the BMCM module for manual control of the unit's main functions.
Overview of optional devices for achieving sample temperatures below room temperature.
Details the LN2 exchanger option for extending temperature range below room temperature.
Diagram and explanation of the Liquid Nitrogen Exchanger's operating principle.
Describes the LN2 evaporator option, a cold gas generator for low-temperature regulation.
Diagram and explanation of the Liquid Nitrogen Evaporator's operating principle.
Description of the BCU05 gas cooler for cooling dry air or nitrogen gas.
Information on selecting and configuring different sensor types compatible with the BVT3000.
Step-by-step guide for configuring the Eurotherm 902 controller for the BVT3000.
Details the functions and capabilities of the BVT3000's microcontroller interface.
Technical specifications for the microcontroller, memory, and communication hardware.
Explains the command structure and communication protocol used for remote control.
Defines the ASCII control characters used in the BVT3000 communication protocol.
A comprehensive list of all commands available for controlling the BVT3000 unit via the interface.
Specifies the parameters for the RS232 serial link used for communication.
Details the requirements and specifications for the RS232 cable connection.
Lists functions that are authorized based on the installed optional modules.
Command for reading and writing gas flow delivery settings, controlling valve states.
Command to initiate a RAM test for diagnostic purposes.
Command to set or read the communication speed between the interface and the Eurotherm controller.
Command to initialize and manage the firmware download process to the BVT3000.
Command for performing a test on the Liquid Nitrogen DAC (Digital-to-Analog Converter).
Command to retrieve and interpret the unit's error status codes.
Command to control the heater power state (ON/OFF) and read its current status.
Command to read a sixteen-bit status word reflecting various interface conditions.
Command to control and read the power level of the liquid nitrogen heater.
Command to switch the nitrogen heater power ON or OFF and read its state.
Command for direct read/write access to port 1, representing main unit status.
Command for read/write access to port 2, controlling LN2 evaporator DAC bits.
Command for reading the internal status of the BVT3000 via port 3.
Command for reading internal status and setting valves at power on via port 4.
Command to read a single byte from the BBIS E2PROM for data retrieval.
Command to read the software and hardware version information of the unit.
Command to write a single byte to the BBIS E2PROM for data storage.
Command to transfer Intel-Hex records for firmware updates via the .hex file format.
Command to save active software files or manage the firmware upload process.
Detailed specifications including weight, dimensions, voltage, power consumption, inputs, and temperature stability.
Information on fuse protection for electronic functions, including their values and purpose.
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