TA Instruments Discovery DSC1 Differential Scanning Calorimeter

Part # 972001.901

Calibrated October 2021

The first-generation Discovery DSC (Part Number 972001.901) features high-precision Tzero technology combined with a unique diffusion-bonded thermocouple design. These performance and physical hardware specifications define the legacy instrument line:

Core Performance specifications

Temperature Range-180°C to 725°C (cooling accessory dependent)

Temperature Accuracy± 0.025 °C

Temperature Precision± 0.005 °C

Enthalpy Precision± 0.04%Indium

Response Ratio ≥ 90Heat Flow Noise (rms)≤ 0.08 μW

Baseline Linearity< 5 μW (-50°C to 400°C, uncorrected)

Baseline Accuracy± 10 μW (-50°C to 400°C)

Baseline Repeatability< 5 μW (-50°C to 400°C)

Hardware & Automation

• Autosampler: Integrated 50-position carousel with standard auto-lid automation.
• Gas Flow Systems: Dual digital Mass Flow Controllers (MFCs) supporting standard cell purge (10–50 mL/min) and base purge (300 mL/min) tracking.
• Control Software: Managed natively via the TRIOS Platform using advanced multi-tasking data sequences.

Physical Dimension

• Weight: Approximately 53 lbs (24 kg).
• Footprint Dimensions: Roughly 14 x 18 x 16 inches (35 x 46 x 41 cm).