RKC INSTRUMENT RB Series - Page 278

10. SPECIFICATIONS
IMR02C15-E4
10-6
 Performance (at the ambient temperature 23 ±2 °C):
Input accuracy: Measured input:
Input type Input range Accuracy
Less than −100 °C ±(2.0 °C + 1 digit)
−100 °C or more,
Less than +500 °C
±(1.0 °C + 1 digit)
K, J, T, E
*1
500 °C or more ±(0.2 % of Reading + 1 digit)
Less than 0 °C ±(4 °C + 1 digit)
0 °C or more,
Less than 1000 °C
±(2 °C + 1 digit)
N, R, S, PLII,
W5Re/W26Re
*2
1000 °C or more ±(0.2 % of Reading + 1 digit)
Less than 400 °C ±(70 °C + 1 digit)
400 °C or more,
Less than 1000 °C
±(2 °C + 1 digit)
B
*2
1000 °C or more ±(0.2 % of Reading + 1 digit)
Less than 200 °C ±(0.4 °C + 1 digit)
Pt100, JPt100
200 °C or more ±(0.2 % of Reading + 1 digit)
Voltage input
Current input
± (0.2 % of span + 1 digit)
*1: Accuracy is not guaranteed for less than −100 °C
*2: Accuracy is not guaranteed for less than 400 °C for Input type R, S, B, and
W5Re/W26Re.
Current transformer (CT) input:
±5 % of Reading ±1 digit or ±2 A (whichever is larger)
Close horizontal mounting error:
Within ± 2.0 °C (Less than −100 °C input: ±3.5 °C)
[RB500: Within ± 2.5 °C (Less than −100 °C input ±4.0 °C)]
Output accuracy: Current output: ±5.0 % of span
Voltage output: ±5.0 % of span
Transmission output (AO): ±0.3 % of span
Influence ambient temperature (5 to 40 °C):
Input: TC/RTD inputs: ±0.06 °C/°C
Voltage/Current inputs: ±0.06 %/°C of span
Output: ±0.02 %/°C of span
Influence of physical orientation (± 90° all orientations):
Input: TC input: ±0.6% of input span or ±3.0 °C, or less
RTD input: ±0.5 °C or less
Voltage/Current inputs: Less than ±0.2 % of span
Input error is added to the accuracy.
Output: Less than ±0.3 % of span
Input error is added to the accuracy.
[For Fahrenheit: Converted value of Celsius]