Sensors

Good quality nitrite sensor for water quality for sale. This water quality sensor measures 0.2–2200 ppm with 0.01 ppm resolution, runs on 9–27 VDC, uses 0.5W power, and supports online pH-adjustable readings. It’s made of solid PPS and installs via 3/4 inch threads. Nitrite water quality sensor is ideal for monitoring nitrite levels in drinking water, wastewater, aquaculture, environmental water bodies, and industrial discharge.

The photoelectric distance sensor features a 10cm sensing distance with a visible red LED light. Its switchable NO/NC output ensures flexible use, while detection remains stable. Incorporating diffuse type for accurate sensing even in complex environments. Multiple protections safeguard both the sensor and connected equipment.

Signal amplifier for torque sensor sold at a low price, supports RS485, 0-5VDC, 0-10VDC, and 4-20mA outputs, with a supply voltage of 12~28VDC and <0.02% linearity. It has low output impedance (<1Ω for voltage), minimal temperature drift (≤0.02%FS/10K), and supports standard loads of ≥10kΩ (voltage) or ≤400Ω (current). With a 3.3V <20mA sensor power supply and input signal range of 0.82mV/V, it ensures stable performance. Operating within 0~60°C and 0%~95%RH, it supports up to 1000m transmission for RS485.

The ultrasonic oxygen sensor offers a concentration detection range of 21%~95.6%, a flow detection range of 0~15 L/min, a resolution of 0.1 L/min, and an accuracy of ±0.2 L/min. With a detection cycle of 500 ms and a preheat time of less than 10 seconds. It requires a DC voltage supply of 5V~12V (±0.25V), with a current of ≤40 mA and power consumption of ≤200 mW. widely used in medical, industrial, chemical, mining and food applications, especially in medical oxygen generators, industrial oxygen equipment, mining and food storage production.

Compact digital water flow switch for sale at low price, 1 inch port size, with digital display for real time monitoring, ±2% accuracy, fluid temperature 0~90℃. This water flow switch comes with water sensor, which is designed for flow sensing to transmit data to the mainboard.

Selling competitively priced chloride sensor for water quality. The chloride water quality sensor measures from 1.8 to 35,500 ppm with a resolution of 0.01 ppm and an accuracy of ±3% FS. It has automatic temperature compensation and supports online monitoring. Application for river water, domestic plant root exudates, soil extract, blood, blood electrolyte, bedside analysis, biological fluids, sludge, electroplating.

Column type load cell undertake special surface spraying and seal processing, can be used in harsh environment for a long time. Compression load cell can be applied for large platform scale, truck scale, rail weighbridge, and special for engineering force testing, overload safety testing and impact force measurement and control.

The digital photoelectric sensor for sale, employing diffuse reflection technology to precisely detect objects via surface-scattered light. Detection range is adjustable up to 30 cm and is suitable for both opaque and translucent targets.

K type thermocouple with digital meter can directly display high-precision real-time temperature. It converts temperature to 4-20mA standard signal and outputs to display instrument or DCS system in control room. Built-in small transmitter adopts silicone rubber seal structure, good anti-interference ability, shock and humidity, apply to harsh environments. Measuring temperature range 0~1000 ℃.

High-precision handheld digital inclinometer display with dual digital screen, 0.01° / 0.001° resolution, and wide-temperature LCD for clear, real-time readings. Compact, durable, and ideal for industrial angle monitoring and automation control.

Linear displacement sensor has two miniature hinges at both ends, built-in conductive plastic measurement unit, housing surface anodized, anti-corrosion, no temperature drift, especially suitable for the occasions with small installation space, swing motion, and sensor body can't be fixed.

Factory price micro travel limit switch can be selected from adjustable rod levers or push buttons to meet your specific application needs. The rated current of industrial limit switches is 5A, 250VAC, with a design protection level of IP65, providing normally open (NO) and normally closed (NC) contacts, providing flexibility for circuit design and application.

The oxygen gas sensor measures ranges of 0-30%VOL for RS485 output and 0-25%VOL for analog output, with an accuracy of ±3%FS and a resolution of 0.1%VOL. Gas transmitter has a power supply range of 10~30V DC, with the 0~10V output type requiring a 24V supply. Widely used in industries such as process control, environmental monitoring, medical devices, food and beverage, safety detection, scientific research, and combustion system optimization.

Excellent price micro type rotary motor torque sensor is compact in design and powerful in performance, providing accurate torque measurement. With a selectable measuring range of 0.1/5 Nm, it offers excellent repeatability and linearity, ensuring data consistency over time.

Signal Isolator can support DC current/DC voltage/RTD sensor/thermocouple input signals, such as 4-20mA, 0-20mA, 0-10mA, 0-5V, 0-10V, 1-5V, etc. Signal isolator has pluggable terminals, external USB interface, optional LCD display and RS485 communication. USB interface can be connected with external programming device to set type of input temperature, transmitter range and other parameters. LCD display can show parameters of different channel, actual measured value, theoretical output value, unit and channel number by buttons.

Small load cell is a button type load cell for compression measurement. It has a capacity range from 5kg to 5 ton, diameter 20mm-37.7mm and height 12mm-18mm, cable Φ3*2m. Button load cell can be used in places where space is limited, such as button hand-feeling tester, mobile phone screen/fingerprint button force detection system, robot grasping force detection system.

Buy a sensor for humidity and temperature online for warehouse monitoring. 2m Built-in probe or external probe (L Bracket Probe, M20 Movable Threaded Probe, M20 Sealed Threaded Probe (High Temperature), M20 Sealed Threaded Probe) for selection. Wall mounted temperature and humidity sensor provides three wire system 4-20mA, accuracy 1%, humidity 0-100%RH, IP65 and optional transmit or communicate output.

The air flow sensor is a thermal flow sensor that calculates the flow rate of the gas being measured by measuring resistance changes. Built-in temperature compensation, -3~3L/min measurement range, accurate, stable, high and low temperature resistance, good linearity, fast response time, the micro flow sensor is suitable for various scenarios that need to measure gas flow.

Low price calcium sensor for water quality with measurement range 0.2~40000 for sale. This high accuracy water quality sensor can operate in the range of 0-50°C and at a pressure range of 0 to 2 atm. Sensitive sensing, supports online monitoring. Suitable for rivers, tap water, industrial wastewater, leachate, seawater, mining water, soil, cement.

Cross rotary limit switch with rated current of 16A, rated voltage of 380V, are widely used in cranes and can be used in CNC lathes, marine facilities, medical equipment, industrial towers and more. Two sizes are available, single speed 180° and double speed 360°. Insulated and dustproof, water and oil resistant. Removable top cover. Thickened housing, engineering plastic material. Water and moisture resistant, protection class IP65, 360° rotatable.