Description
The pHionics STs Series pH is a dual-output sensor that pairs with a datalogger or RTU for real-time water quality monitoring. A narrow diameter allows the STs Series to go where other sensors cannot while a durable, chemical-resistant housing ensures many years in-use.
All parts, including the cable, are easily replaceable without tools usingpHionicspatentedpHiConn System, saving frustration and money.
In addition, isolation, differential amplification, and shielding ensure a strong signal with high signal-noise ratios, all while remaining low-power.
These features make our pH sensor well-suited for applications such as groundwater monitoring, wastewater treatment, aquaculture, pollution monitoring, etc.
Highlighted Features
pH Sensor | |
Output | 4-20 mA |
pH Range | 0-14 pH |
Operational Temperature Range | 0-70 |
Electrode Type | Silver/silver chloride, double junction, replaceable gel electrode |
Transmitter Type | 2-wire |
Pressure Range | 0-70 psi |
Automatic Temperature Compensation | 0-70 |
Isolation | 600 VDC |
Power Supply Voltage | 8-40 VDC |
Warm-up Time | 2 seconds |
Response time | 95% < 5 seconds |
Wetted Materials | 316 Stainless Steel, Delrin®, Viton, glass, epoxy |
Length | 14.25 in (36.20 cm) |
Width | 0.750 in (1.9 cm) maximum |
Weight (No cable) | 0.50 lbs (0.227 kg) |
Linearity | ±0.014 pH* |
Accuracy | ±0.014 pH* |
Sensitivity | ±0.01 pH |
Stability | ±0.03 pH per year |
Temperature Sensor | |
Output | 4-20 mA |
Temperature Range | 0-50 |
Accuracy | +/- 1 |
Linearity | +/- 0.5 |
Power Supply Voltage | 7-40 VDC |
Cable | |
Cable Material | Polyurethane |
Type | 4 conductor, Kevlar® reinforced, water blocked, shielded, twisted-pair wiring |
Maximum Distance | 3 miles |
Resistance per 1000 ft (304.8 m) | 26 Ohms |
Replaceable? | Yes |
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