196 similar products

• Single-phase three-phase power failure alarm can identify three-phase lack of phase mains power failure alarm 485 computer room power Price: $42.15 Price: $26.085974 Transactions
• Explosion-proof shell portable ozone concentration gas detector handheld gas detector O3 gas detector Price: $387.57 Price: $151.933975 Transactions
• Differential pressure sensor transmitter high-precision negative pressure ventilation farming temperature and humidity pressure difference detector measuring instrument Price: $110.43 Price: $28.7625054 Transactions
• Hand-held speed recorder agricultural environment 485 temperature and humidity soil gas detector water quality measurement sensor Price: $283.14 Price: $189.422000 Transactions
• Visibility sensor weather monitoring road airport port city traffic environment smog air detector Price: $5,022.64 Price: $2,090.5839000 Transactions
• Computer room environmental monitoring system dynamic ring alarm host temperature and humidity meter power failure smoke water leakage air conditioner remote alarm Price: $34.12 Price: $6.0029945 Transactions
• Water immersion sensor remote 485 transmission detector 4G water leak alarm leak point detector high precision Price: $50.18 Price: $6.0018950 Transactions
• Aqueous solution ion detector calcium ion magnesium ion chlorine ion sensor industrial multi-parameter water quality analyzer Price: $30.10 Price: $20.7352699 Transactions
• Computer room environment monitoring system temperature and humidity mains water leakage detection smog air conditioner dynamic ring detection alarm host Price: $14.03 Price: $6.0027956 Transactions
• Computer room water leakage monitoring water immersion sensor switch contact 485 water immersion transmitter detection alarm Price: $32.11 Price: $6.0019871 Transactions
• Computer room water leakage monitoring water immersion alarm detector air conditioning water pipe 485 positioning type water immersion sensor Price: $153.72 Price: $31.449995 Transactions
• Online multi-parameter water quality detector industrial conductivity PH dissolved oxygen ammonia nitrogen residual chlorine sewage monitoring analyzer Price: $3,809.43 Price: $448.2616200 Transactions
• Smart 4G mobile phone remote infrared central air-conditioning controller automatic learning type air-conditioning remote control switch controller Price: $118.46 Price: $51.5225488 Transactions
• Soil fertilizer nutrient detector PH trace element heavy metal nitrogen phosphorus potassium analysis quick test soil formula fertilization instrument Price: $383.78 Price: $4.4411200 Transactions
• Odor sensor high-precision breeding public toilet garbage station odor hydrogen sulfide ammonia harmful gas detector Price: $94.81 Price: $15.3720500 Transactions
• Water accumulation monitoring system Urban road real-time monitoring and early warning flood control engineering electronic water gauge remote automatic alarm Price: $259.04 Price: $216.204798 Transactions
• Small agricultural weather station outdoor water and rain level monitoring temperature and humidity wind speed environment outdoor vehicle weather instrument Price: $40.36 Price: $12.6935264 Transactions
• Environmental data acquisition instrument automatic monitoring of water quality soil air quality environmental pollution monitoring storage transmission instrument Price: $34.12 Price: $28.7636000 Transactions
• Environmental data acquisition instrument industrial online monitoring water quality soil air pollution intelligent monitoring system 4G remote control Price: $34.12 Price: $28.7635996 Transactions
• Water and rain online detection system Agricultural light water level rainfall ultrasonic automatic detection station meteorological instrument Price: $202.81 Price: $15.378500 Transactions
• Pipeline wind speed sensor split type high-precision industrial high temperature resistant RS485 wind speed measuring instrument transmitter Price: $124.04 Price: $15.3718598 Transactions
• Voice alarm high decibel industrial horn modbus school hospital factory RS485 emergency voice alarm Price: $259.04 Price: $95.702398 Transactions
• Two-wire temperature and humidity sensor two-wire high-precision industrial waterproof 4-20mA temperature and humidity meter transmitter Price: $66.25 Price: $34.129976 Transactions
• Explosion-proof shell industrial combustible gas alarm ammonia oxygen carbon monoxide natural gas concentration leakage detection Price: $585.72 Price: $7.3459998 Transactions
• Portable water quality detector PH ammonia nitrogen conductivity aquaculture dedicated multi-parameter water quality analysis recorder Price: $354.77 Price: $296.0810399 Transactions
• Ultra-wide high and low temperature recorder automatic remote monitoring cold chain transportation heat treatment wireless high-precision thermometer Price: $110.43 Price: $74.2817291 Transactions
• Large-screen temperature and humidity display instrument Kanban sensor intelligent sound and light alarm industrial high-precision digital display temperature and humidity meter Price: $75.62 Price: $60.8930920 Transactions
• Current collector modbus remote monitoring 2-way AC signal rs485 running status detection module Price: $62.23 Price: $42.151995 Transactions
• TSP laser dust particle sensor RS485 large particle air quality detector WIFI transmitter Price: $465.22 Price: $233.605998 Transactions
• Small ultrasonic weather station agricultural outdoor integrated automatic miniature portable wind speed and direction sensing instrument Price: $18.05 Price: $10.0221965 Transactions
• Indoor air quality detector temperature and humidity carbon dioxide formaldehyde toxic and harmful gas air quality sensor Price: $32.33 Price: $10.0225948 Transactions
• Wireless lora integrated vibration sensor motor fan temperature vibration three-axis detection displacement speed monitoring Price: $173.36 Price: $73.3963998 Transactions
• Park square construction site CPA noise monitoring station noise detector real-time dust noise sensor alarm Price: $55.54 Price: $28.7612000 Transactions
• Online conductivity meter tester water quality EC value electrode probe detector portable sensor monitoring instrument Price: $34.12 Price: $28.7620000 Transactions
• High-precision non-destructive leaf area measuring instrument photo-type live plant leaf length and width wormhole collector analyzer analyzer Price: $2,679.67 Price: $1,340.83800 Transactions
• High-precision GNSS displacement monitoring station landslide settlement geological disaster 4G WIFI network port real-time remote monitoring Price: $5,089.59 Price: $2,545.794800 Transactions