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PLATINUM
Series User's Guide
TM
7. Specifications
7.1
Inputs
Input Types
Current Input
Voltage Input
Thermocouple Input
(ITS 90)
RTD Input (ITS 90)
Configuration
Polarity
Accuracy
Resolution
Input Impedances
Temperature
Stability
A/D Conversion
Reading Rate
Digital Filter
CMRR
Excitation
Setpoint Adjustment
Warm Up to Rated
Accuracy
7.2
Control
Action
Reverse (heat), direct (cool), or heat / cool
Autotune
Operator initiated from front panel
Adaptive Tune
User selectable; fuzzy logic continuous PID tuning optimization
Control Modes
On/off or the following time/amplitude Proportional Control Modes:
selectable Manual or Auto PID, Proportional, Proportional with Integral,
Proportional with Derivative
Cycle Time
0.1–199 seconds
Ramp and Soak
Thermocouple, RTD, Thermistor, Analog Voltage, Analog Current
4 to 20 mA, 0 to 24 mA Scalable
-100 to 100 mV, -1 to 1 V, -10 to 10 Vdc Scalable
K, J, T, E, R, S, B, C, N
100/500/1000 Ω Pt sensor, 2-, 3- or 4-wire; 0.00385 (100 Ω only), 0.00392
(100 Ω only), or 0.003916 (100 Ω only) curves
Differential
Bipolar
Refer to Table 7.1
0.1°F/°C temperature; 10 µV process
Process Voltage: 10 MΩ for +/- 100 mV
Process Voltage: 1 MΩ for other voltage ranges
Process Current: 5 Ω
Thermocouple: 10 KΩ max
•
RTD: 0.04°C/°C
•
TC at 25°C (77°F): 0.05°C/°C (cold junction compensation)
•
Process: 50 ppm/°C
24 bit Sigma Delta
20 samples per second
Programmable from 0.05 seconds (filter = 1) to 6.4 seconds (filter = 128)
120 dB
Firmware selectable (no jumpers to set) to 5, 10, 12, and 24 Vdc @ 25 mA
-9999 to +9999 counts
30 min
•
Up to 99 Saved Ramp and Soak programs
•
Up to 8 Ramp and 8 Soak segments with individually selectable
events per program
•
Definable End Actions include program linking
•
Ramp and Soak segment times: 00.00 to 99.59 (for HH:MM and
MM:SS)
Specifications
Omega Engineering | www.omega.com
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