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7
1.1 Specifications
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IN/OUT parameters:
- mV, V, mA, Ω
- Tc type J, K, T, R, S, B, N, C, E, F, U, L, G, D
- Rtd type Pt100, Ni100 and Ni120
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Reference junction compensation:
- automatic internal with Pt100 sensor from -5°C to +50°C;
- external with manual setting from -50°C to +100°C
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Rj compensation drift:
± 0.015°C/°C
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Rj compensation error:
±0.15°C
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In/Out ranges:
see following tables
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Resolution:
see following tables
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Limits of error:
see following tables
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Common mode rejection:
> 130 dB at 50/60 Hz
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Normal mode rejection:
> 60 dB at 50/60 Hz
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Temperature stability:
span ± 0.005% of the reading/°C
zero ± 0.2 µV /°C
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Output impedance (emf output and Tc):
< 0.5 Ω with maximum current of 0.5 mA
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Input impedance:
> 10 MΩ (> 1MΩ on 10 V range)
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Source resistance effect:
1 µV error for 1000 Ω source resistance
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Rtd and
Ω
ΩΩ
Ω
simulation excitation current:
from 0.2 to 5 mA
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Rtd and
Ω
ΩΩ
Ω
measurement excitation current:
0.25 mA
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Rtd cable compensation:
up to 100 Ω (each wire)
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Shunt resistance (mA ranges):
38 Ω
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Maximum resistance load:
1000 Ω ( 20mA )
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Maximum input over voltage dc:
50 V (mV, V, Tc) 5 V (Rtd)
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Display:
high contrast dot matrix LCD (7x5 dots per character -16 characters)
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Engineering unit indications:
up to 4 characters shown directly on the display
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Scale factor:
zero and span programmable within -10000 and +10000
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Square root:
in combination with scale factor (display limits 0 and +2500)