triOS TpH - Technical Data; Technical Specifications

16
D01-068en201913 Manual TpH
Technical Data // TpH
Use
Use
Calibration
Calibration
Malfunction &
Maintenance
Malfunction &
Maintenance
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Commissioning
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Introduction
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Technical Data
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Keyword Index
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Accessories
7 Technical Data
7.1 Technical specications
Measurement technology
pH electrode
Measurement principle
Potentiometry
Parameter pH value, temperature
measuring range
pH 0...14 pH
Temperature
0...+65 °C
resolution
pH 0.01 pH
Temperature
0.1 °C
precision
pH
± 0,06 pH
Temperature
± 0.5 °C
Intrinsic error
pH1 ± 0.05 pH
pH7 ± 0.05 pH
pH13 ± 0.35 pH
Linearity measurement error
± 0.1 pH
Repeatability
pH1 ± 0.1 pH
pH7 ± 0.05 pH
pH13 ± 0.1 pH
Output signal uc-
tuation
pH7 ± 0.025 pH
pH4 ± 0.05 pH
Warm-up time < 5 min
Drift Short-term drift 24 h ≤ 0.03 pH
Long-term drift 1 week ≤ 0.05 pH
10% time and
90% time
T10 ascending < 2 s
T10 falling < 2 s
T90 ascending ≤ 5 s
T90 falling ≤ 5 s
Temperature compensation Pt1000
Measurement interval 2 s
Housing material PPS / PET / NBR
Dimensions (L x Ø) ~ 180 x 27 mm
~ 7.1˝ x 1.1˝
Weight 110 g
~ 0.2 lbs
Interface RS-485, Modbus RTU
Power consumption 0.2 W