Kipp&Zonen COMBILOG Data Logger - Manual (Page 167)

Resistance measurement
range accuracy (1)(3) Resolution /
noise
(1)
linearity (2) temperat.
drift
(2)
20 k Ω 10 Ω
10 k Ω 5 Ω
5 k Ω 2.5 Ω 0.003 %
2.5 k Ω 1.25 Ω 0.05 %
1.25 k Ω 0.63 Ω
0.01 % 25 ppm/K
625 Ω 0.31 Ω
312.5 Ω 0.15 Ω
0.010 %
5 ppm/K (4)
200 Ω 0.1 Ω 0.003 %
(1) values for T=20 °C , (2) values estimated from the
hardware specification
(3) values correspond to 80 % of the measuring range
(4) with external drift compensation, reference resistance
with TCR 1
Achievable absolute accuracy with voltage measuring incl. drift correction:
typical ± 3 µV
Achievable accuracy for temperature measurement with Pt 100 resistance
(measuring range -200°...850 °C, temperature range -200°...200 °C, scan
rate 1 s, averaging interval 1 min)
without drift correction: ≤ 0.1 °C with ambient temperatures
0 °C...+40 °C
with external drift correction: typical 0.05°C with ambient temperat-
ures
-40 °C...+85 °C
Reference resistance 100 Ω , TCR 1
Hardware Manual COMBILOG 1022
167