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24-channel ethernet data logger with embedded web server
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9
DETAILED 
SPECIFICATIONS
THERMOCOUPLES
TEMPERATURE RANGE
TYPE
J
-200°C to 1200°C (-328 to 2192°F)
K
-200°C to 1372°C (-328 to 2502°F)
T
-200°C to 400°C (-328 to 752°F)
E
-200°C to 1000°C (-328 to 1832°F)
R
-50°C to 1768°C (-58 to 3214°F)
S
-50°C to 1768°C (-58 to 3214°F)
B
250°C to 1820°C (482 to 3308°F)
N
-200°C to 1300°C (-328 to 2372°F)
Cold Junction
Compensation
± 0.25°C with stable temperature conditions (tested in climatic chamber)
Accuracy:
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9
ACCURACY
± 0.62°C
± 0.87°C
± 0.42°C
± 0.78°C
± 2.10°C
± 2.81°C
± 2.44°C
± 0.87°C
0138
DETAILED 
SPECIFICATIONS
ANALOG MEASUREMENTS
100Ω Platinum (Pt100) RTD: range -50 to 150°C (-58 to 302°F); power supply:
RTD Input
1.2 mA
Thermistor (3000
range -50 to 150°C (-58 to 302°F); power supply: 0.05 mA /0.1 mA/1.2
Ω@25°C NTC)
mA
USB Device
USB 2.0 full speed 5V, max 500mA, USB pendrive only
1 µA at FS for 20 mA range;
1 µV at FS for ±10 mV range;
10 µV at FS for ±100 mV range;
100 µV at FS for ±1 V range;
Reading
1 mV at FS for ±10 V range;
Resolution
0.1 °C for Pt100 RTD;
0.1 °C for NTC thermistor;
0.1 Hz for 6000 Hz range;
0.001 mV/V at FS for ±10 mV/V (Wheatstone bridge)
0.01% mV/mA FS (0.1% FS for Pt100 and NTC) - with Standard Measure-
ment
0.13% mV/mA FS - with Max Speed Measurement
Temperature Drift: < 10 ppm/°C, range -30 to 70°C
Measurement
Input Noise Voltage: 5.42 µV pp
Accuracy
Input Limits : ±12V
DC Common Mode Rejection: >105 dB
Normal Mode Rejection: >90 dB
Input Impedance: 20 MΩ typical
Switched Output
The voltage 'V OUT' is switched on and off under program control. V
Power Supply
OUT is the unregulated input power supply 'V IN' (2 A)
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0139

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