Acoustic-Optical Alarm Temperature and Humidity Recorder

The audio-visual alarm temperature and humidity recorder monitors environmental temperature and humidity in real-time via sensors, triggering a buzzer and flashing light when readings exceed preset ranges. It is used for continuous environmental monitoring in laboratories, warehouses, and other locations to prevent materials from being damaged due to abnormal temperature and humidity conditions.
Selection
When selecting, confirm whether the measurement range and accuracy meet the requirements, check the flexibility of alarm threshold settings, evaluate battery life and data export methods, ensure that the housing protection rating is suitable for the usage environment, and verify whether the intensity of audible and visual alarms meets on-site warning requirements.

Terms

Standards

Instruments

Using External Sensor, Humidity accuracy of +/- 0.2 ℃ and +/- 2.5% RH respectively, Humidity Response Time as fast as 15 seconds. With Bluetooth wireless setting and download, weatherproof shell, support mobile end real-time viewing and data sharing.

$ 477.00

Capacitive polymer film Humidity Sensor and semiconductor temperature sensor, with temperature compensation and nonlinear correction function, can store 8000 sets of data, support USB connection and automatic calculation of average value, MAX Maximum and MIN Minimum, compact and easy to carry.

$ 294.00

Using Bluetooth wireless communication, support setting and data reading through mobile phone or tablet within 30.5 Meters. The accuracy is up to +/- 0.2 ° C and +/- 2% RH, can store more than 84000 Measured values, and has sound and light alarm function.

$ 328.00

Built-in High Accuracy Temperature Humidity Sensor, Temperature Error +/- 0.2 ℃, Humidity Error +/- 2.5%. Adopt Bluetooth low energy wireless transmission, support remote setting and data download, with weatherproof housing and NEMA6/IP67 Protection Rating, suitable for long-term outdoor monitoring.

$ 414.00

304 mirror stainless steel liner is easy to clean, sonic humidification ensures uniform Humidity, Temperature range 5-55 ℃, Humidity Control Range 50-90% RH, support 30-segment programming and independent temperature limit alarm system.

$ 1042.00

304 mirror stainless steel liner is easy to clean, sonic humidification ensures Humidity uniformity, supports 30-stage temperature Humidity programming, temperature control accuracy +/- 1 ℃, Humidity deviation +/- 5-8% RH, with independent temperature limit alarm system to ensure safety.

$ 1387.00

Temperature range -10~ 100 ℃, humidity control 35~ 95% RH, with independent temperature limit alarm system and multi-stage programmable PID controller to ensure safe operation and precise control of temperature and Humidity.

$ 3078.00

Support simultaneous detection of 4 kinds of gases, integrated temperature Humidity detection function, physical + software double revisit Humidity compensation, Response Time T90 ≤ national standard, detection accuracy ≤ +/- 3% FS, with a variety of alarm and remote monitoring capabilities.

$ 658.00

Microcomputer temperature and humidity controller, Temperature Fluctuation +/- 0.5 ℃, humidity fluctuation +/- 5% RH, with over-temperature protection, independent temperature limit alarm system to ensure safe and stable operation of the experiment.

$ 6691.00

The mirror stainless steel liner is easy to clean, the TMHM equilibrating conditioning method controls temperature and humidity accurately, Temperature Fluctuation +/- 0.5 ℃, Humidity deviation +/- 3% RH, with independent temperature limit alarm system.

$ 5110.00

Humidity Control Range 80~ 95% RH, Temperature resolution 0.1 ℃, Humidity deviation +/- 3% RH, Mirror stainless steel liner easy to clean, independent temperature limit alarm system to ensure safety.

$ 1953.00

Using Bluetooth low energy wireless transmission, easy to set up and download, Measurement range (temperature -40~ 100 ℃, Humidity 0-100% RH), high accuracy (temperature +/- 0.2 ℃), and has a weatherproof shell and visual alarm function, suitable for long-term outdoor monitoring.

$ 351.00

It can simultaneously detect 4 kinds of gases and integrate temperature Humidity monitoring, adopts dual temperature Humidity compensation design, supports diffusion and pump suction Sampling method, has a 10-Meter visual distance color screen and a variety of wireless communication options, and the Protection Rating is IP66.

$ 323.00

Imported Humidity Sensor and Compressor, temperature control accuracy of +/- 0.5 ℃, humidity deviation +/- 3% RH, equipped with independent temperature limit alarm system and test hole to ensure the safety and reliability of the experiment.

$ 4122.00

Optical inspection dissolved oxygen Sensor technology, strong and durable, measurement depth of 100 Meters, accuracy of +/- 0.2mg/L (8mg/L). Probe removable replacement, easy maintenance, suitable for long-term underwater monitoring.

$ 2387.00

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