Technical specifications
TpH
Measurement technology | pH electrode |
|---|---|
Measuring principle | Potentiometry |
Parameters | pH value, temperature | |
|---|---|---|
Measuring range | pH | 0...14 pH |
Temperature | 0...+65 °C | |
pH resolution | pH | 0.01 pH |
Temperature | 0,1 °C | |
Measuring accuracy | pH | ± 0.06 pH |
temperature | ± 0,5 °C | |
Intrinsic deviation | 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 fluctuation | 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 increasing | < 2 s |
T10 decreasing | < 2 s | |
T90 increasing | ≤ 5 s | |
T90 waste decreasing | ≤ 5 s | |
Temperature compensation | Pt1000 | |
Measuring 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 |
Power supply | 12 - 24 VDC (± 10 %) |
|---|---|
Connection | 8-pin M12 plug |
Sensor cable | 2 m and 10 m |
Required supervision | Typically, ≤ 0.5 h/month |
|---|---|
Calibration / maintenance interval | Typically, 4 weeks |
System compatibility | Modbus RTU |
Warranty | 1 year (EU & USA 2 years) on electronics; wearing parts are excluded from the warranty |
Max. pressure | with fixed cable | 3 bar | ~ 43.5 psi |
|---|---|---|---|
in FlowCell | 1 bar, 2...4 L/min | ~ 14.5 psi, 0.5 to 1 gpm | |
Degree of protection | IP68 | NEMA 6P | |
Sample temperature | +2...+40 °C | ~ +36 to +104 °F |
|---|---|---|
Ambient temperature | +5...+55 °C | ~ +23 to +131 °F |
Storage temperature | 0...+80 °C | ~ +32 to +176 °F |
Inflow velocity | 0...3 m/second | ~ 0...10 fps |