Omega Multifunction Indicator-Simulator Manuale Utente

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