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TPH ECHEM PH IMMERSION-SENSOR DIGITAL



Robust digital pH sensor for operation on TriBox controllers and HS100 DIN rail module. Digital communication ensures safe and trouble-free signal transmission from the sensor to the controller. The high-quality gel pH electrode has a porous HDPE  diaphragm and is insensitive to dirt, making the sensor ideal for wastewater applications. TpH is available with a 10 m or a 2 m fixed cable.

Specification


Measurement technology
pH-electrode
Measurement principle
 
Potentiometry
 
 
Parameter
pH value, temperature
Measuring range pH
0...14 pH
Resolution
0,01 pH
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 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 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
Power supply
12...24 VDC (± 10 %)
Connector
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 & US: 2 years) on electronics; wearing parts are excluded
from the warranty
 
 
 
Max. pressure
3 bar
~ 43.5 psig
Protection type
IP68
NEMA 6P
 
 
Sample temperature
+2...+40 °C
~ +35,6 °F... +104 °F
Ambient temperature
-5...+55 °C
~ +23 °F... +131 °F
Storage temperature
0...+80 °C
~ +32 °F... +176 °F
Inflow velocity
0...3 m/second
~ 0...10 fps


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