CLS200 Series User’s Guide
Chapter 10: Specifications
167
PARAMETER DESCRIPTION
Accuracy
0.03% of full scale (60mV) at 25°C
0.08% of full scale (60mV) at 0 to 50°C
Calibration Automatic zero and full scale
DC Common to Frame Ground
Maximum Potential
20V
Thermocouple Break Detection Pulse type for upscale break detection
Milliampere Inputs
0 to 20mA (3Ω resistance) or 0 to 10mA (6Ω resistance), with
scaling resistors
Linear Voltage Input Ranges Available 0 to 10V or 0 to 5V with scaling resistors
Source Impedance
For 60mV thermocouple, measurements are within
specification with up to 500Ω source resistance
For other types of analog signals, the maximum source
impedance is 5,000Ω
Table 10.12 — Pulse Inputs
PARAMETER DESCRIPTION
Number 1
Frequency Range 0 to 2,000Hz
Input Voltage Protection Diodes to supply and common
Voltage Levels
<1.3V: Low
>3.7V: High (TTL)
Maximum Switch Resistance to
Pull Input Low
2kΩ
Minimum Switch Off Resistance 30kΩ
Table 10.13 — Thermocouple Range and Resolution
THERMOCOUPLE
TYPE
RANGE IN
°F
RANGE IN
°C
ACCURACY* AT
25°C AMBIENT
ACCURACY* AT
0 TO 50°C AMBIENT
°F °C °F °C
J -350 to 1,400 -212 to 760 ±2.2 ±1.2 ±3.3 ±1.8
K -450 to 2,500 -268 to 1,371 ±2.4 ±1.3 ±3.8 ±2.1
T -450 to 750 -268 to 399 ±2.9 ±1.6 ±5.8 ±3.2
S 0 to 3,200 -18 to 1,760 ±5.0 ±2.8 ±8.8 ±4.9
R 0 to 3,210 -18 to 1,766 ±5.0 ±2.8 ±8.8 ±4.9
B 150 to 3,200 66 to 1,760 ±7.2 ±4.0 ±22.1 ±12.3
E -328 to 1,448 -200 to 787 ±1.8 ±1.0 ±2.9 ±1.6
* True for 10% to 100% of span except type B, which is specified for 800°F to 3200°F.
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