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hydrazine area monitor is sensitive and selective indicator for traces of hydrazine. it is suited as leak detector for MIL-87930 and H-70.

Hydrazine HS Area Monitor

Leak Detector • Hydrazine Detector • MIL-P-87930 Indicator • H-70 Indicator

Item No. 245

Product Features
Minimum detectable limit: 4ppb•hr.
Color Change: Light pink to purple

Dimensions: 1.5″ diameter, 2mm

Service life: 24 hours

(Pack of 5)


Hydrazine area monitor is a sensitive and selective indicator for the presence of traces of hydrazine in air. This area monitor is most suited as leak detector for hydrazine, MIL-87930 and H-70. It can be used indoor or outdoor and has extended service life of 6 months. The area  monitor is also suitable to monitor air on stack, duct, vent or flue where representative samples can be obtained.

PN 245
Product Specifications


Weight: 0.4g (0.02oz)


Dimensions: 2.8mm (0.11in), diameter: 38.1mm (1.5in)


Operating temperature: -20oC to 40oC (-4oF to 104oF)


Operating humidity: 5% RH to 90%RH


Minimum detectable limit: 4ppb•hr. at 30 cm/sec face velocity


Color change: Light pink to purple


Storage temperature: 4oC to 20oC, (39oF to 68oF)


Shelf life: 1 year at 4oC to 22oC, (39oF to 68oF)


Service life: 24 hours

Useful links

Hydrazine DG Water Analysis
Filter change indicator
Filter with end-of-service life indicator

Facts about hydrazine
Hydrazines (H₂NNH₂) are clear, colorless liquids with an ammonia-like odor. Hydrazines are highly reactive and easily catch fire. Workers may be harmed from exposure to hydrazine. The level of harm depends upon the dose, duration, and work being done.

Hydrazine is used in many industries, such as the manufacturing of rocket propellants and fuels for spacecraft. Some examples of workers at risk of being exposed to hydrazine include the following:

  • Workers who use it for boiler water treatments to protect against corrosion
  • Industrial workers who use it as a chemical reactant
  • Researchers who explore cancer treatments
  • Agricultural workers who use it in pesticides
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