Nitrogen trifluoride alarm

Nitrogen trifluoride alarms detect the concentration of nitrogen trifluoride gas in the air through electrochemical or infrared sensors and trigger audible and visual alarms when the concentration exceeds the set threshold. They are used in places such as semiconductor manufacturing and chemical production to monitor gas leaks and ensure personnel safety.
Selection
When selecting a nitrogen trifluoride alarm, ensure the detection range covers the concentration of the usage scenario, and prioritize models with explosion-proof certification. Consider the sensor lifespan and calibration cycle, and choose equipment with data logging capabilities for easy tracking. The installation location should be close to potential leakage points and away from ventilation openings.

Terms

Standards

Instruments

Using MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds, support 4-20mA, RS485 and switching signal output, can be operated by infrared remote control without opening the lid.

$ 848.00

Adopt automatic nitrogen measurement distillation system, nitrogen measurement range 0.1-200 mgN, collection rate ≥ 99%, repeability rate < +/- 1% relative to Standard Deviation, semi-automatic working mode, distillation time 5-15 minutes, suitable for a variety of sample analysis.

$ 493.00

Contains 1 pack of total nitrogen base Reagent, 1 pack of potassium persulfate powder, 25 packs of anti-interference agent and 25 packs of acid Reagent, suitable for DGB-401 instrument, providing complete detection components.

$ 164.00

Using LED @575nm Illuminant and Nessler Measuring method, Measurement range 0.00-3 ppm, accuracy +/- 0.03ppm, suitable for low concentration ammonia nitrogen rapid detection, easy and economical operation.

$ 209.00

Measurement range pN value of 0.00~ 8.00, ammonia nitrogen concentration of 0.05~ 1000mg/L, with automatic mixing and thermostatic system, anti-sample Color, metal ions and turbidity interference, support a variety of reading methods.

$ 1806.00

Using MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds, support 4-20mA and RS485 signal output, can be operated by remote control without opening the lid, with local sound and light alarm and remote alarm function.

$ 912.00

Using MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds. With flameproof structure and passed a number of safety certifications, it supports 4-20mA, RS485 and other signal output methods.

$ 912.00

Measurement range 0.000~ 4.000mg/L, including Noll Reagent and potassium sodium tartrate solution, suitable for rapid detection of ammonia nitrogen in water quality, supporting special instruments.

$ 164.00

Double needle automatic switching angle to improve condensing efficiency, support 1-8 bit Sample Handling, temperature control accuracy of +/- 0.5 ℃, with independent nitrogen channel and overheating protection to ensure safe and stable operation.

$ 7496.00

Using purge and trap technology, the temperature control accuracy can reach +/- 0.5 ℃, 12 samples can be processed simultaneously, and the nitrogen consumption can be adjusted at 330ml/min/sample to achieve rapid anaerobic condensation.

$ 430.00

With standard COD, total phosphorus, total nitrogen working procedures, support custom temperature and time; using new temperature control algorithm, heating uniform and fast, heating up to 165 ℃ only 12 minutes, temperature control accuracy +/- 1 ℃; one-button operation, with automatic alarm and transparent protective cover.

$ 767.00

Purge and trap technology implementation of rapid oxygen-free condensing, temperature control accuracy of +/- 0.5 ℃, support 36 samples at the same time, nitrogen consumption can be adjusted to 330ml/min/sample, digital temperature control to ensure accurate and reliable operation.

$ 719.00

Colorimetric measurement based on Nasler method, Measurement range 0.00-10 mg/L, providing 100 tests, accurate determination of ammonia nitrogen concentration by Color intensity change.

$ 212.00

Colorimetric digestion integrated tube operation, no liquid transfer; water samples for more than 10 measurements to take the average value; ammonia nitrogen detection limit of 0.01mg/L, measurement error ≤ +/- 5%, data storage 30,000.

$ 1493.00

Using Dynamic Low Temperature Nitrogen Adsorption Method and High Sensitivity Sensor, the test range from 0.0005m ²/g has no upper limit, the repeatability error ≤ +/- 3%, and the single sample test is completed in about 3 minutes.

$ 7980.00