The Stanford Research Systems PTC10 is a modular, programmable temperature controller delivering precision thermal management across scientific and industrial applications. The system architecture supports up to 16 input channels and 4 independent PID feedback control loops, each sampling at 50 Hz with 1 mK resolution. A 320 × 240 pixel touchscreen provides real-time numeric and graphical data display, while configurable alarms monitor upper/lower temperature limits and rate-of-change thresholds per channel with audio alert and relay closure outputs. Data logging to removable flash media enables long-term monitoring. The controller interfaces via USB, Ethernet, RS-232, and optional GPIB, making it suitable for laser diode stabilization, cryogenic measurements, materials research, and sensor-based thermal feedback systems.
– Technical Specifications
Controller Core
• Input Channels: Up to 16
• PID Control Channels: Up to 4 at 50 Hz sampling rate
• Temperature Resolution: 1 mK
• Display: 320 × 240 pixel touchscreen
• Analog Ports: 4 configurable DAC/ADC channels, ±10 VDC range, 24-bit input / 16-bit output, 50 Hz update rate, BNC connectors
• Communications: USB, Ethernet, RS-232 standard; GPIB optional
• Power: 10 A; 88–132 VAC, 176–264 VAC, or DC input; 47–63 Hz
• Dimensions: 17″ W × 5″ H × 18″ D
• Weight: 25 lbs
PTC321 Platinum RTD Card
• Four 4-wire inputs for 100 Ω platinum RTDs
• Temperature Range: –200 °C to 850 °C
• Accuracy: ±30 mK
• Excitation: 1 mA current source per channel (reversible)
• Noise: 2 mK RMS at 10 samples/s
• Temperature Coefficient: 1.4 mK/°C
• Low-Pass Filters: 1 and 10-second time constants selectable
• Open/short circuit detection
PTC320/PTC323 Thermistor/Diode/RTD Reader Card
• Supports thermistors, RTDs, cryogenic diodes, and ruthenium oxide sensors
• PTC320: Single input, 6-pin circular DIN connector
• PTC323: Dual inputs, 9-pin D-sub connector
• Configurations: 2-wire or 4-wire
• RTD Accuracy (0–100 Ω): 0.008 Ω
• Diode Accuracy: 10 µV + 0.01% of reading
– Key Features
• Multipoint temperature monitoring with independent alarm thresholds
• 24-bit input resolution for high-fidelity sensor readings
• Configurable digital filtering to reduce measurement noise
• Simultaneous multi-channel PID feedback control
• Removable flash media data logging
• Flexible sensor input architecture supporting resistive and diode-based transducers
– Typical Applications
• Laser diode thermal stabilization
• Cryogenic temperature measurement and control
• Materials research requiring multi-point thermal feedback
• Precision heater regulation in laboratory environments
• Sensor calibration and characterization
– Compatibility & Integration
The modular I/O card design enables mixed-sensor configurations within a single chassis. Standard Ethernet and USB connectivity integrate with networked lab environments and direct computer control. Optional GPIB support accommodates legacy instrument integration.
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