Portable Oxygen Alarm

Portable oxygen alarms detect the concentration of oxygen in the air using electrochemical sensors. They emit audible and visual alarms when the concentration falls below or exceeds the set threshold. These devices are used for safety monitoring in confined spaces, such as storage tank maintenance, mining operations, and other environments with risks of oxygen deficiency.
Selection
When selecting, ensure the measurement range covers 19.5% to 23.5% VOL, and the equipment has an IP65 or higher protection rating. Check the sensor lifespan and calibration cycle, and prioritize models with vibration alarm functionality. Verify that the explosion-proof certification mark matches the intended operating environment.

Terms

Standards

Instruments

Detection of oxygen concentration 0~ 25% range, resolution of 0.1%, Response Time ≤ 15 seconds, Portable design, suitable for a variety of environment monitoring needs.

$ 162.00

The use of PTFE oxygen permeable membrane to ensure oxygen permeability, spiral cap design for easy installation and electrolysis filling, suitable for Portable dissolved oxygen measurement equipment maintenance.

$ 243.00

Measurement range of 50ppm dissolved oxygen and 600% Saturation, support pressure, temperature and salinity automatic compensation, can be used continuously for about 200 hours, with IP67 waterproof rating.

$ 1409.00

Using high density polyethylene (PE) oxygen permeable membrane to achieve efficient oxygen diffusion, equipped with ABS plastic screw cap structure for easy installation and electrolysis filling, and interact with the current system for accurate measurement of dissolved oxygen concentration.

$ 243.00

Polarography dissolved oxygen Measurement range 0.00~ 50.00mg/L, Response Time ≤ 45s, support automatic temperature compensation and salinity compensation, with IP65 Protection Rating, Data storage 500 sets and GLP standards.

$ 674.00

Polarographic coating ElectRode, Response Time no more than 30 seconds, automatic temperature compensation range 0~ 40 ℃, portable design for easy field operation, Measurement range 0.0~ 20.0mg/L, accuracy +/- 0.3mg/L.

$ 175.00

Sterling silver cathode and zinc anode construction, integrated temperature sensor for instant measurement without conditioning time, thin permeable membrane isolates Sensor and allows oxygen to pass, generating current to determine oxygen concentration.

$ 162.00

Electrochemical sensor to detect oxygen, range 0~ 25% VOL, Sensor life up to 5 years, Response Time ≤ 15 seconds, with sound and light alarm and continuous 90 hours of work ability.

$ 270.00

Electrochemical sensor to detect oxygen, range 0-30% VOL, resolution 0.1% VOL. With 12864 point array LCD screen, waterproof grade IP65, built-in flashlight, support sound, light, vibration alarm.

$ 149.00

The equipment range 0~ 30% vol, resolution 0.1%, support three alarm and temperature measurement, high-brightness backlight for low-light environment use, can set the lock machine password to enhance security.

$ 155.00

With conductivity 0-2000mS/cm and dissolved oxygen 0-20mg/L wide range measurement, support automatic temperature compensation and air pressure compensation, 3.5 inch color screen display, data storage capacity of 3000 groups, Protection Rating is IP57.

$ 670.00

Polarographic Laminating ElectRode, Measurement range 0.0~ 20.0mg/L, Response Time ≤ 30 seconds, automatic temperature compensation 0~ 40 ℃, portable design for outdoor use.

$ 225.00

Using PTFE oxygen permeable membrane, the probe cathode and anode are isolated from the sample, and oxygen passes through the membrane and acts with the polarographic system to generate current to ensure accurate and reliable measurement.

$ 299.00

PTFE oxygen permeable membrane ensures oxygen permeability, ABS plastic material enhances durability, screw cap design simplifies installation process, suitable for long-term water quality monitoring applications.

$ 243.00

Polarographic probe accurate to 0.3ppm, equipped with 4 Meters of cable to facilitate measurement of hard-to-reach areas; automatic temperature compensation range 0.0-50 ℃, support salinity and height compensation to ensure on-site data Reliability.

$ 1027.00

Articles