Lake Shore Model 330 Autotuning Temperature Controller User’s Manual
1-4 Introduction
Table 1-2. Model 330 Specifications
Thermometry:
Number of Inputs: Two
Sensor Types: Model 330-1X – Silicon Diode
(Sensors Sold Separately) Model 330-2X – Platinum RTD
Model 330-3X – GaAlAs Diode
Model 330-4X – Thermocouple
Accuracy: Based on Model and Sensor Type (Refer to Table 1-1)
Update Rate: Both Channels in 1 second
Precision Curve Storage: Room for twenty 31-point Curves *
Standard Response Curves:
DT-400 Series Silicon Diodes Curve 10
DT-500 Series Silicon Diodes DRC-D or DRC-E1 (Obsolete)
PT-100 Series Platinum RTDs DIN 43760
Thermocouples Ch-AuFe (0.07%), Ch-AuFe (0.03%), Type E (Chromel-Constantan), Type K
(Chromel-Alumel), and Type T (Copper-Constantan)
SoftCal: Entered in Voltage or Temperature *
Control:
Control Type: Digital, three term PID with Autotuning
Automatic Control Mode: P, PI, or PID control, user selectable
Manual Control Mode: Gain (Proportional) 1-999, Reset (Integral) 1-999 sec.,
and Rate (Derivative) 0 - 200% (0-500 sec.)
Control Stability: To ±2.5 mK in a properly designed system for diode
sensors (Refer to Table 1.1)
Setpoint Resolution: 0.01 K or °C below 200, least significant display digit in sensor units
Control Sensor Selection: Front Panel
Ramp Rate: 0.1 to 99.9 K/min
Zones: 10 Zones with Setpoint, P, I, D, and Heater Range *
Heater Output Type: Variable DC Current Source
Heater Setting Resolution: 15 bits
Max. Power To Heater: 50 Watts / 25 Watts (Field Configurable)
Heater Current by Range: High (1 A), Medium (0.3 A), and Low (0.1 A)
Heater Output Compliance: 50 V (50 W) or 25 V (25 W)
Heater Load for Full Power: 50 Ω (50 W) or 25 Ω (25 W)
Minimum Heater Load: 35 Ω (50 W) or 10 Ω (25 W)
Heater Noise: 50 µV + 0.01% of output voltage (with Optional Model 3003 Heater Output
Conditioner, heater noise is lowered by 20 dB)
Front Panel:
Display: Two, 4.5 digit LED
Display Units: Temperature in K or °C. Sensor units in volts (330-1X & -3X),
ohms (330-2X), or millivolts (330-4X)
Setpoint display: Shared with control sensor
Heater output display: 20 digit LED bar graph, percent of full scale current for range
Annunciators: Channel, units, heater range, interface mode
Temperature resolution: 0.01 below 200, 0.1 above
Sensor units resolution: Refer to Table 1-1
Keypad: Numeric plus special function
Computer Interfaces:
IEEE-488 Capabilities: Complies with IEEE-488.2 SH1,AH1,T5,L4,SR1,RL1,PP0,DC1, DT0,C0,E1
Serial Interface: 300 or 1200 baud, RJ-11 connector (RS-232C electrical standard)
General:
Ambient Temperature Range: 20 to 30 °C (68 °F to 86 °F), or with reduced accuracy in range 15 °C to
35 °C (59 °F to 95 °F)
Power Requirements: 110, 120, 220, 240 VAC (+5%-10%), 50 or 60 Hz; 135 Watts
Size: 217 mm x 90 mm x 419 mm (8.5" x 3.5" x 16.5"), half-rack package
Weight: 5 kilograms (11 pounds)
* User-configurable with IEEE-488 or Serial Interface only.)
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