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YSI 2900 - 11.2 Troubleshooting Chart

YSI 2900
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142
Temperature (Sensor module Temperature). The sensor module temperature is measured during a calibration and a
sample. The 2900 Series works at sensor module temperatures between 15° and 35°C. The instrument only measures
and displays temperatures between 10° and 50°C.
As the 2900 Series is calibrating the ISEs, it prints out information for each sensor as shown below. Calibrations are
repeated until the standard deviation of both sensors is less than 0.20 (or the Change Ratio is less than or equal to 1.2%)
for each calibration solution.
3B
1
33.38
3A
1
04.11
3B
2
34.45
3A
2
05.13
3B
3
34.60
0.09
0.44
3A
3
05.08
0.99
0.71
3B
4
34.70
0.18
3.04
3A
4
05.04
0.12
0.52
3A
1
22.91
3B
1
01.45
3A
2
21.91
3V
2
01.96
3A
3
21.94
0.02
1.6
3B
3
01.35
0.26
1.8
3A
4
22.85
0.05
4.7
3B
4
02.00
0.22
1.6
3A
5
22.89
0.05
2.1
3B
5
02.10
0.18
0.5
Sensor
Calibration Attempt Number
Plateau Voltage (mV)
Standard Deviation
Calibrator B
Calibrator A
Change Ratio (%)

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