pH/ORP controller can be connected with alarm relays and solenoid valves to form a simple pH/ORP process control system. Digital pH meter can be used with various pH electrodes or ORP electrodes to realize online continuous testing and monitoring of the pH (0~14) / ORP (-1000~1000mV) / temperature (-10~+130℃/14~266℉) of sewage, corrosive solution, liquid medicine, beer, drinking water, food, high temperature sterilization occasions, etc. pH controller transmits standard output signal 4-20mA to digital panel meter/VFD/PLC/recorder, or RS485 signal to computer for remote monitoring and recording.
Good price pool ph meter for sale. The pH detector for pool water has a pH measurement range of 5.5 to 9.0 and can measure chlorine (Cl) levels between 0.2 and 3.0 ppm. It offers a measurement accuracy of 0.1 with a resolution of 0.1. The detector operates on a 1.5V power supply and is made from durable ABS material.
pH/EC/TDS/Temp pen tester for sale, measurement range is 0 to 14 pH, 0 to 9999 µS/cm for EC, 0 to 9999 ppm for TDS, and 0°C to 60°C (32°F to 140°F) for temperature. The accuracy is ±0.05 pH, ±2% µS/cm for EC, and ±2% ppm for TDS. The pen pH meter operates within the temperature range of 0 to 60°C and includes automatic temperature compensation.
Photoelectric smoke detector hardwired with blue light and red light dual light source smoke temperature detection can test smaller smoke particles. Quiescent current less than or equal to 1mA (uA) and working voltage DC 9V~32V. Detection angle 360° with detection distance reach to 40-60m. The optical smoke alarm equipped with two high-sensitivity thermistor sensors to upload the temperature to the controller in real time, work at the temperature -40°C~ 85°C. Widely used in families and community factories, companies, schools, warehouses, petroleum, chemical and many other places.
PID temperature controller has dual digital 4 LED display, on-off control/PID control, support universal inputs (Cu50/Pt100/K/E/J/T/S/R, 4-20mA, etc.), 4 kinds of output mode for select (relay output/SSR output/SCR/transmitter output 4-20mA), and additional output RS485/232 communication output, timer relay, etc.
PID temperature controller has multi digital 4 LED display, on-off control/PID control, support universal inputs (Cu50/Pt100/K/E/J/T/S, 4-20mA, etc.), 3 kinds of output mode for select (relay output/SSR output/SCR), and additional output RS485/232 communication output. Multi channel can realize separate measuring and individual control at the same time.
Pinpointer metal detector with LED light flash indicator for sale. metal detector can adopt 9V battery, easy to use longer battery life. Depth of water resistance of handheld waterproof metal detector is 30m. Small metal detector widely used in pier, airport and meeting place.
Factory price compound vacuum gauge for sale online. It is composed of differential pressure MEMS piezoelectric sensor and Pirani sensor, with an integrated electronic control circuit, digital communication system, and analog voltage output, to achieve high-precision, high-repetition atmospheric pressure accessory pressure measurement.
High accuracy Pirani vacuum gauge sensor adopts a KF16 standard flange and RJ45 electrical plug, analog voltage output, and can automatically identify atmosphere and high vacuum within 1.0x10^-1 ~ 1.0x10^5 Pa. Micro Pirani vacuum pressure gauge is suitable for front vacuum pressure monitoring, safety circuits in vacuum systems, and vacuum measurement and control in the medium and low vacuum range.
Platinum Resistance Thermometer Data Logger (Single/Dual Channel) is a high-precision temperature measurement device. Its temperature measurement range is -200℃ to 800℃ and is compatible with both PT100/PT1000 probes. The device has a backlit LCD display for easy viewing of data in low-light environments and is available in single or dual channel options.
Buy an affordable digital watt meter for calculating energy consumption costs, offering a choice of socket types. The electricity monitor has a power metering function and 7 display modes for measuring voltage, frequency, current, power factor, wattage, minimum and maximum power.
Low cost pocket colorimeter for lab and medical, 4mm/8mm caliber, USB port, LED screen operation pane with clear data, widely used in papermaking, printing, ceramics and chemical industry.
Low price pocket colorimeter for sale, caliber φ4mm, measurement stability and accuracy, large screen display for easy reading, DC power connector USB/RS232. Colorimeter is widely used in paper, printing, ceramics, chemical, textile and dyeing industries.
Cost-effective hydrogen sulfide (H2S) gas detector is a high performance sensor, CE, ATEX, explosion-proof certificates, selectable measuring range of 0 to 50 ppm, 0 to 100 ppm, 0 to 200 ppm, portable design makes it easy to carry. High performance and high precision, best for indoor air quality monitoring.
Portable air quality monitor for home/office/car, measuring PM2.5, PM1.0, PM10, HCHO, TVOC, AQI, temperature and humidity and real-time displaying on the LCD screen. Rechargeable Li-battery, compact size and light weight, easy to carry. Easy operation, quick response and accurate detection.
Portable Benzene gas detector is a single gas monitor used in industrial safety, environmental monitoring, and emergency response to detect and measure C6H6 levels in the air. Compact handheld C6H6 detector has high-precision sensor and sound and light alarm and optional 0 to 1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm.
Portable carbon dioxide (CO2) infrared detector adopts high accuracy sensor, measuring range available with 0-2000ppm, 0-5000ppm, 0-10000ppm, or 0-10%VOL, 0-20%VOL, 0 to 100% VOL, with LCD display, audible, visual & vibrating alarm, compact size, easy to carry and operate.
Portable carbon monoxide (CO) detector provide high precision detection for CO gas with the range available for 0-500ppm, 0-1000ppm, and 0-2000ppm, audible, visual and vibrating alarm, light weight and small size, easy to carry everywhere with a clip, suitable for various applications.
Portable Chlorine (Cl2) gas detector with built-in micro pump has measuring ranges of 0 to 10ppm / 20ppm / 50ppm / 100ppm for your selection, and give alarms with sound, light and vibration. Chlorine gas monitor uses high precision sensor, easy operation, high reliability and low price.
Handheld Chlorine Dioxide (ClO2) gas detector for sale online. Safety portable gas monitor equipped with 0 to 1/10/20/50/100 ppm measuring range, high-precision sensors, alarms and LCD display, can accurately monitor Chlorine Dioxide gas concentrations, convenient to carry and read test results.