Owner's manual

TECHNICAL DATA 7

TT 51 SERIES

www.krohne.com09/2010 - 4000754201 - MA TT 51 R01 en

7.7 RTD and T/C accuracy table

Conformance level 95% (2σ)

CJC = Cold Junction Compensation

Accuracies in °C

Input type Temp. range Min. span Accuracy Temp. influence

(Dev. from ref. temp. 20°C)

[°C] [°C] [°C]

RTD Pt100 -200...+850 10 ±0.10°C or ±0.05% of span ±0.005% of span per °C

RTD PtX 1 Corresp. to max.

4kΩ

10 ±0.10°C or ±0.05% of span ±0.005% of span per °C

RTD Ni100 -60...+250 10 ±0.10°C or ±0.05% of span ±0.005% of span per °C

RTD Ni120 -60...+250 10 ±0.10°C or ±0.05% of span ±0.005% of span per °C

RTD Ni1000 -50...+180 10 ±0.10°C or ±0.05% of span ±0.005% of span per °C

RTD Cu10 -50...+200 83 ±1.5°C or ±0.1% of span ±0.01% of span per °C

T/C type B +400...+1800 700 ±1.0°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type C 0...+2315 200 ±1.0°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type D 0...+2315 200 ±1.0°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type E -200...+1000 50 ±0.25°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type J -200...+1000 50 ±0.25°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type K -200...+1350 50 ±0.25°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type N -100...+1300 100 ±0.25°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type N -250...+100 100 ±1.0°C 2 ±0.05% of span per °C

T/C type R -50...+1750 300 ±1.0°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type S -50...+1750 300 ±1.0°C or ±0.1% of span 2 ±0.005% of span per °C

T/C type T -200...+400 50 ±0.25°C or ±0.1% of span 2 ±0.005% of span per °C

1 (10 ≤ X ≤ 1000)

2 CJC error is not included