Products

RTDT225 RTD Temperature Transmitter
APCS
The APCS RTDT225 RTD Temperature Transmitter converts RTD (Pt100) sensors to a precise DC signal. It offers lead resistance compensation, span/zero adjustments, 2-wire or 3-wire output, and 2000Vrms isolation for reliable temperature monitoring.
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RTH
Rototherm
Temperature RH Recorder
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RTO
Rototherm
Temperature Recorder
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RVA501 Rotating Vane Anemometer
Alnor
Alnor RVA501 Rotating Vane Anemometer measures air velocity, flow, and temperature with logging and PC connectivity. Optional probe and hood compatible.

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RVA801 Rotating Vane Anemometer
Alnor
The Alnor RVA801 Rotating Vane Anemometer offers accurate HVAC and air quality measurements. Features a rotating head, calculates volumetric flow rate, and includes a NIST calibration certificate.

CALIBRATE/REPAIR MY ALNOR RVA801
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RWT G95A Galvanic Dissolved Oxygen Sensor
Royce Water Technologies
The Royce Water RWT G95A is an Australian-made galvanic dissolved oxygen sensor, accurate at zero DO and proven in demanding wastewater applications.
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RWT O95A Fluorescence Dissolved Oxygen Sensor
Royce Water Technologies
The Royce Water RWT O95A Fluorescence Dissolved Oxygen Sensor offers reliable, low-maintenance optical DO measurement with zero DO calibration and no electrolyte or flow requirements.
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RWT S73D Submersible MLSS Sensor
Royce Water Technologies
The Royce Water S73D Submersible MLSS Sensor offers reliable wastewater solids monitoring with auto-cleaning and corrosion-resistant PVC design.
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S-11 Flush Pressure Transmitter
WIKA
The Wika Flush Pressure Transmitter is suitable for viscous and solids-containing media. The flush process connection enables cleanability with the wetted diaphragm integrated into the process. For high medium temperatures of up to 150 °C, the pressure transmitter is also available with an integrated cooling element.
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S-20 Superior Pressure Transmitter
WIKA
The Wika S-20 Superior Pressure Transmitter is a pressure transmitter for general industrial applications has good accuracy and a robust design. Measuring range from 0.4 to 1600 bar and different output signals, e.g. 4-20 mA, DC 0- 10 V, DC 1-5 V and others.
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S3A Suspended Solids Settlement Analyser
Royce Water Technologies
The Royce Water S3A Suspended Solids Settlement Analyser provides automatic, consistent MLSS, SVI, and supernatant clarity results, reducing manual testing time and labor, supplied with carry case, sample tubes, charger, and User Manual.
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S400 Series pH/Redox Sensors
LTH Electronics
The LTH Electronics S400 Series pH/Redox Sensors accurately measures pH and redox potential in aqueous solutions. It combines a pH electrode, redox electrode, and reference electrode for precise readings.
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SA-11 Pressure Transmitter
WIKA
Wika SA-11 pressure transmitter delivers accurate and reliable pressure measurement for sanitary applications. It features a stainless steel case and wetted parts, 4–20 mA output, and a temperature range of -20 to +150°C.
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SA100
RKC
Digital Temperature Controller
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SA200
RKC
Digital Temperature Controller
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SafeCellar™
Crowcon
Crowcon SafeCellar™ is a Carbon Dioxide and Oxygen monitor that is popular in breweries, wineries, cellars, fast food outlets, hospitals, universities and industrial laboratories.
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Salt 6+
Eutech
Salt Tester
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SaltTestr 11
Eutech
Salt Tester
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SCT011 Split Core Current Transducer
APCS
The APCS SCT011 Split Core Current Transducer converts AC current to a 4-20mA signal, offering good isolation, low drift, and easy installation, making it ideal for automated systems and industrial applications.
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SD-100
Mean Well
100W DC-DC Convertor
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SD-15
Mean Well
15W DC-DC Convertor
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SD-150
Mean Well
150W DC-DC Convertor
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SD-200
Mean Well
200W DC-DC Convertor
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SD-25
Mean Well
25W DC-DC Convertor
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Sensor Shields
Hinco
Sensor Shields. Contact us for details
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SI132 Signal Isolator (v5)
APCS
The APCS SI132 Signal Isolator converts DC current and voltage signals with 2000Vrms isolation. It features field configurability, span/zero adjustments, sensor excitation, and selectable response time, ideal for signal conversion and noise filtering.
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SI139 Signal Isolator
APCS
The APCS SI139 Signal Isolator is a DC-to-DC converter for converting input signals up to 2kVdc/10Adc to 18Vdc/50mAdc output with 2000Vrms isolation. It has front adjustments and is suitable for signal conversion and protection.
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SI231 Signal Isolator v3
APCS
The APCS SI231 Signal Isolator at Hinco Instruments is a loop-powered converter for common process signals with configurable inputs (4-20mA, 0-10V, etc.), 2000Vrms isolation, span/zero adjustments, and field-selectable response time.
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SI236 Signal Isolator v3
APCS
The APCS SI236 Signal Isolator v3 converts and isolates DC signals with 2000Vrms isolation, configurable input/output, sensor excitation, and span/zero adjustments. It’s AC/DC powered, ideal for signal conversion, loop prevention, and noise filtering.
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SI239 Signal Isolator v2
APCS
The APCS SI239 Signal Isolator v2 converts DC signals with 2-wire/3-wire outputs, 2000Vdc input, and true RMS option. It offers 2000Vrms isolation, span/zero adjustments, and features like adder/subtractor for versatile signal conversion.
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SI282 Signal Isolator
APCS
APCS SI282 Signal Isolator with 3-way galvanic isolation, selectable input ranges, auxiliary transmitter supply, and front zero/span calibration for precise signal conversion.
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SI289 Signal Isolator
APCS
The APCS SI289 Signal Isolator is an isolating transmitter designed for factory set input output combinations providing true 3-way galvanic isolation up to 2000V rms.
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SL332 Signal Isolator
APCS
The APCS SL332 Signal Isolator is a field-configurable isolator/converter with 2500Vrms isolation. It has a slimline case, wide range ac/dc power supply, and settings and ranges can be changed without using test equipment or opening the case.
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SL340 Universal Transmitter
APCS
The APCS SL340 is a compact, field-configurable isolator for probes and millivolt signals, offering 2500Vrms isolation. Features include input linearization, scaling, differential/single-ended input, programmable sensor supply, and switchable filter.
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SL350 Pulse Frequency Transmitter
APCS
APCS SL350 Pulse Frequency Transmitter offers 3-way isolation, spans up to 150kHz, software calibration, crystal-based measurement, and AUX sensor support for industrial pulse-to-process signal conversion.
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SL4011 Sound Level Meter
Lutron
Lutron SL-4011 Sound Level Meter with large LCD, A/C weighting, FAST/SLOW modes, Max Hold function, rugged ABS housing, and AC/DC output for reliable sound measurement. Other Lutron models include: SL4001, SL4010, SL4012, SL4013 & SL4022
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Sludge Watch 715 Portable Sludge Blanket Detector
Royce Water Technologies
Royce Water Sludge Watch 715 Portable Sludge Blanket Detector with cable reel design.
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Sonarflex Sonar
Hycontrol
Sludge Blanket & Interface Controller
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SPH10/20 Static Pressure Heads
Vaisala
Vaisala SPH10/20 Static Pressure Heads offer reliable barometric pressure measurement for environmental monitoring. Wind tunnel tested for minimized wind-induced errors, it ensures accurate data in any weather.
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ST 3254.X & ST 3214.X Electrodeless Conductivity Sensors
B&C ElectronicsRoyce Water Technologies
The B&C Electronics ST 3254.X & ST 3214.X Electrodeless Conductivity Sensors feature built-in temperature compensation, a 4-20 mA loop-powered transmitter, and multiple ranges for water treatment and monitoring applications.
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STA138 Single Trip Alarm v5
APCS
The APCS Single Trip Alarm v5 offers adjustable set-point relay output for AC/DC current, voltage, RTD, thermocouple, and more. It features 8A/250Vac contact rating, front adjustments, LED status, and works with AC/DC supplies. Ideal for alarms and protection.
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STI136 Single Trippoint Isolator v6
APCS
The APCS STI136 Single Trippoint Isolator v6 isolates and amplifies signals with adjustable set-point for AC/DC current, volts, RTD, and more. Features include 8A/250Vac contacts, 24Vdc sensor output, and LED trip indicator for reliable process protection.
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Supernova Elite
Seaward
PAT Tester
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T2H Remote Mount Temperature Switch
Barksdale
The Barksdale T2H Remote Mount Temperature Switch has dual set points, NEMA 4X construction, and remote sensor for accurate temp control. Ideal for marine, oil & gas, and industrial use.
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TCM3-4DIO
ECS
Digital IO Control Module
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TDS 6+
Eutech
TDS Meter
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TDSTestr 11+
Eutech
TDS Tester
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Temperature Probes
Senseca (Prev. Delta Ohm)
Temperature Probes
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TH-27R
Isuzu
Precision Quartz Thermohygrograph
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Thermowells

Thermowells
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