Lake Shore 321-01, Руководство пользователя

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Lake Shore Model 321 Autotuning Temperature Controller User’s Manual
Introduction 1-3
Table 1-1. Electronic Information for Various Sensors and Temperature Ranges
____________________________________________________________________________________________________________________________
Model No. 321-01 321-02 321-04
*
Sensor Type Silicon diode 100
Ω
Platinum RTD Thermocouple
Sensor Temp Coefficient Negative Positive Positive
Sensor Units Volts (V) Ohms (
Ω
) Millivolts (mV)
Controller Temp. Range 1.4 – 475 K
†
14 K – 800 K –273 – 1000 °C
†
Input Range 0 – 2.5 V 0 – 300
Ω
±45 mV
Sensor Excitation 10 µA ±0.05% 500 µA ±0.01% N/A
constant current constant current
The following specifications reflect operational characteristics with the specified Lake Shore Sensor.
Example Lake Shore Sensor DT-470-C0 PT-103 Ch-AuFe 0.07%
Sensor Temp. Range 1.4 - 475 K 30 - 800 K 1.4 - 325 K
Standard Sensor Curve Curve 10 DIN 43760 NIST generated
Typical Sensor Sensitivity –30 mV/K at 4.2 K 0.19
Ω
/K at 30 K 16 µV/K at 4.2 K
–1.9 mV/K at 77 K 0.42
Ω
/K at 77 K 20 µV/K at 300 K
–2.4 mV/K at 300 K 0.39
Ω
/K at 300 K
–2.2 mV/K at 475 K 0.33
Ω
/K at 800 K
Measurement Resolution
Sensor Units 0.04 mV 5 m
Ω
1.5 µV
Temperature Equivalence 1.3 mK at 4.2 K 26 mK at 30 K 90 mK at 4.2 K
21 mK at 77 K 12 mK at 77 K 75 mK at 300 K
16 mK at 300 K 13 mK at 300 K
18 mK at 475 K 15 mK at 800 K
Sensor Unit Display Resolution 0.1 mV to 1 mV 0.01
Ω
to 0.1
Ω
2 µV
Measurement Accuracy ±0.2 mV ±0.02% RDG ±20 m
Ω
±0.05% RDG ±4 µV ±0.05% RDG
Temperature Accuracy ±0.1 K at 4.2 K ±0.2 K at 30 K ±0.8 K at 4.2 K
‡
with Calibrated Sensor ±0.3 K at 77 K ±0.2 K at 77 K ±0.4 K at 300 K
and 8001 Precision Option
§
±0.2 K at 300 K ±0.3 K at 300 K
±0.2 K at 475 K ±0.6 K at 800 K
Measurement Temp. Coefficient
Sensor Units (%RDG/°C) ±0.01% ±0.01% ±0.018%
Temperature Equivalence ±8 mK/C° at 4.2 K ±33 mK/°C at 30 K ±200 mK/°C at 4.2 K
±77 mK/°C at 77 K ±22 mK/°C at 77 K ±110 mK/°C at 300 K
±33 mK/°C at 300 K ±64 mK/°C at 300 K
±9 mK/°C at 475 K ±171 mK/°C at 800 K
Setpoint Display Resolution
in Sensor Units
0.1 mV to 1 mV 0.01
Ω
to 0.1
Ω
2 µV
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*
Thermocouple data are for uncompensated inputs.
†
Dependent on sensor type.
‡
No Model 8001 Precision Calibration Option is available for thermocouples. Error listed is for the controller only.
§
Includes all sensor and controller errors.