Nippon - Model EMP-3 - Portable Mercury Survey Meter
From EMP Series - Portable Mercury Survey Meters
The EMP-3 is compact, lightweight and highly reliable portable continuous mercury analyzer. A portable atomic absorption spectrophotometer is installed in the equipment main body, so the equipment is easy to carry to any site, where you can ensure simple and quick measurement of elemental vapor phase mercury in the working environment. The EMP-3 provides a variety of applications that suggest new mercury measurement methods that can change conventional practice.
Products Details
Evolutionary, highly-sensitive instrument with compact and light body
The sample gas is directly taken into the absorption cell, and mercury concentration is measured by atomic absorption spectroscopy at absorbance of 253.7nm wavelength.
Both weight and size are reduced furthermore compared to our previous model.
The measurement range is as wide as 0 to 2,000µg/Nm3, and the response time is only 1 second. Measurement data is saved in CSV format in the SD card, which can be easily analyzed.
Operation is performed on a touch panel type 4.3 inch color LCD.
Available for various measurement scenes
By installing the GPS function, you do not need to record the measurement point in the field.
In addition, it can be used more reliably with various measurement scenes, such as adopting splashed-proof seamless design or realizing the measurement range twice as wide as the previous models.
The EMP-3 has a function that corrects interference from obstructing substances as the background. Even at sites where the existence of gas that shows positive interference (such as hydrocarbon gas) is suspected, the equipment instantly detects and measures mercury alone and takes up as the data.
By connecting options, it can be used for on-site measurements of samples such as high concentration mercury gas (up to 20,000μg/Nm3) and water. No expensive analytical equipment is needed, and only single unit makes various measurements possible.
Applications
- Fluorescent lamps manufacturing, disposal and re-cycling
- Emergency response to mercury spill & cleanup monitoring
- Mercury contamination source surveying & investigation
- Industrial/worker safety and hygiene surveying
- Facility workplace monitoring
- Hazardous waste inspection and screening
- Mercury in natural gas screening and measurement (1)
- At-site mercury in water analysis (2)
Option
This kit is a set of reducing-vaporization units for simplified measurement of environmental water and tap water.
Conventionally, the only simplified measuring method usable at site was the one that uses mercury detector tubes. The AQUA kit can measure mercury easily by a method closer to the official analytical method.
A liquid sample is taken into a sample container, (1+1) sulfuric acid and a 10% tin chloride solution is added to reduce and vaporize mercury in the sample to ensure the simplified measurement of Tin (II) Chloride.
You can also measure total mercury if you perform alkali reduction.
Since the unit is powered by a battery, measurement is possible even at sites in which there is no a power source.
(However, for samples that contain interferences such as organic substances, it may be impossible to obtain correct measurement results without wet pretreatment.)
Hi-Lutor (Option for High Concentration Mercury Measurement)
By installing this option, higher concentration mercury measurement becomes possible.
The measurement range is wide as 0 to 20,000 µg/Nm3, which is suitable for measurement of gaseous metallic mercury in working environment atmosphere, gaseous metallic mercury in liquefied natural gas and liquefied petroleum gas, etc.
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