FlagshipWater Detective
Water Detective 4
Personal/Home Portable Water Quality Testing PenA portable multi-parameter tester for everyday water checks, purifier comparisons and rapid sample screening.
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Compare portable analyzers, interface ASICs, compact probes, temperature sensors and industrial multispectral platforms in one catalog.
Water Sensor Interface ASICs
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22 products
Flagship
Water Sensor Interface ASICs
BA111
Single-channel TDS Sensor Interface ASICHighly integrated TDS and water-temperature measurement ASIC with bipolar probe drive and UART control.
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Water Sensor Interface ASICs
BA121
Conductivity Sensor Interface ASICSingle-channel conductivity and water-temperature ASIC for compact smart-water products.
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Water Sensor Interface ASICs
BA121S
Low-range Conductivity Interface ASICHigh-resolution low-conductivity measurement ASIC for purified-water and precision applications.
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Water Sensor Interface ASICs
BA012
Dual-channel TDS Interface ASICDual-channel sensing ASIC designed for inlet/outlet comparison in purification equipment.
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Water Sensor Interface ASICs
BA022
Dual-channel Conductivity Interface ASICIntegrated dual-channel conductivity front end for multi-point and comparative measurements.
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Water Sensor Interface ASICs
BA112
Wide-range Dual-channel TDS & Temperature ASICWide-range dual-channel TDS and temperature ASIC with probe diagnostics, two-point calibration and automatic BURST mode.
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Water Sensor Interface ASICs
BA311
Miniature TDS Sensor Interface ASICCompact automatic TDS measurement ASIC in SOT23-6 for space-constrained smart-water products.
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Water Sensor Interface ASICs
BA311L
Wide-range Miniature TDS Interface ASICSmall SOT23-6 TDS ASIC with a wider range for compact connected appliances.
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Water Sensor Interface ASICs
BAT3U
Three-channel TDS Interface ModuleThree-channel TDS and temperature measurement platform for multi-stage water systems.
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Water Sensor Interface ASICs
BA234
Multi-parameter Sensor Interface ASICSingle-channel, two-probe interface ASIC with NTC compensation and UART digital output.
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Conductivity / TDS Probes
3/8-inch Digital Probe
Digital EC / TDS / Salinity ProbeCompact quick-connect digital probe for conductivity, TDS and salinity applications.
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Conductivity / TDS Probes
3/8-inch NTC Probe
EC / TDS / Salinity Probe with NTCFood-contact quick-connect electrode probe with integrated NTC temperature sensing.
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Conductivity / TDS Probes
TFE-1-A1
Compact Planar Ring-electrode ProbeCompact planar electrode assembly for embedded conductivity and TDS product designs.
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Conductivity / TDS Probes
TFE-304-M6
Planar Ring-electrode Temperature ProbeEasy-clean planar ring electrode with integrated temperature sensing for molded product integration.
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Temperature Sensors
F9027
IP68 Stainless-steel NTC Temperature ProbeDurable stainless-steel temperature probe for long-term hot-water and appliance integration.
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Industrial & Professional Sensors
WQM3A-PRO
Self-Cleaning Spectral Water Quality SensorSelf-cleaning, reagent-free spectral sensor for continuous TOC, COD, turbidity, color, UV254 and temperature monitoring.
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Industrial & Professional Sensors
WQM11A
Spectral Multi-Parameter Water Quality SensorCompact reagent-free sensor for online TOC, COD, UV254 and temperature monitoring in drinking-water and purified-water equipment.
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Industrial & Professional Sensors
5-in-1 EC/TDS
Industrial 5-in-1 Conductivity SensorIntegrated industrial probe for conductivity, TDS, salinity, specific gravity and temperature with titanium electrodes.
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DiscontinuedWater Detective
Water Detective 3
Personal/Home Portable Water Quality Testing PenA portable rapid testing tool for tap water, purified water, bottled water, travel water, and aquarium water, designed for personal screening and comparison, not a substitute for regulatory laboratory testing.
This model is discontinued; the page remains available for legacy support and replacement selection.
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DiscontinuedWater Detective
Water Detective 2
Personal & Home Portable Water Testing PenA compact rapid-check tool for tap, purified, bottled, travel and aquarium water. Intended for personal screening and comparison, not as a replacement for regulatory laboratory analysis.
This model is discontinued; the page remains available for legacy support and replacement selection.
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DiscontinuedWater Detective
Water Detective 1
Personal/Home Portable Water Quality Testing PenA portable rapid testing tool for tap water, purified water, bottled water, travel water, and aquarium water, designed for personal screening and comparison, not a substitute for regulatory laboratory testing.
This model is discontinued; the page remains available for legacy support and replacement selection.
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