Watlow EZ-ZONE PM Express - Manual (Page 31)

EZ-ZONE PM Express (PID) • 31 • Specifications
Specifications (cont.)
Universal Input
• Thermocouple, grounded or ungrounded sensors
• >20MΩinput impedance
• Maximum of 2KΩ source resistance
• RTD 2- or 3-wire, platinum, 100Ω @ 0°C calibration to DIN curve (0.00385 Ω/Ω/°C)
• Process, 4-20mA @ 100Ω, or 0-10VÎ(dc) @ 20kΩ input impedance; scalable
Thermistor Input (Not included with Universal Input)
Thermistor Input
Input Type
Max Error @
25 Deg C
Accuracy
Range Low
Accuracy
Range High
Units
Thermistor, 5K range ±5 0 5000 Ohms
Thermistor, 10K range ±10 0 10000 Ohms
Thermistor, 20K range ±20 0 20000 Ohms
Thermistor, 40K range ±40 0 40000 Ohms
• 0 to 40KΩ, 0 to 20KΩ, 0 to 10KΩ, 0 to 5KΩ
• 2.252KΩ and 10KΩ base at 77°F (25°C)
• Linearization curves built in
• Third party Thermistor compatibility requirements
Base R @
25C
Alpha
Techniques
Beta THERM YSI
Prompt
[``tC]
2.252K Curve A 2.2K3A 004 A
10K Curve A 10K3A 016 B
10K Curve C 10K4A 006 C
Functional Operating Range
• Type B: -50 to 1816°C (-58 to 3301°F), Type C: 0 to 2315°C (32 to 4199°F)
• Type D: 0 to 2315°C (-328 to 4199°F), Type E: -270 to 1000°C (-454 to 1832°F)
• Type F: 0 to 1343°C (32 to 2449°F), Type J: -210 to 1200°C (-346 to 2192 °F)
• Type K: -270 to 1371°C (-454 to 2500°F), Type N: -200 to 1300°C (-328 to 2372°F)
• Type R: -50 to 1767°C (-58 to 3213°F), Type S: -50 to 1767°C (-58 to 3213°F)
• Type T: -270 to 400°C (-454 to 752°F), RTD (DIN): -200 to 800°C (-328 to 1472°F)
• Process: -1999 to 9999 units