• MA: Direct thermal decomposition mercury analyzer
  • PE: Fully automated petro-pyrolysis mercury analyzer
  • RA: Reducing-vaporization mercury analyzer
  • WA: Atmospheric mercury analyzer
  • EMP: Portable mercury survey meter
  • EMP-2
  • EMP-2Hi
  • SGM-8
  • Continuous mercury monitor

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Portable monitor for mercury in flue gas

SGM-8

Ultra-compact SGM-8 offeres simplified set-up and measurement in the field with rechargable battery

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SGM-8

The epoch-making light weight and small size drastically improve the working efficiency in a height and dangerous place

The SGM-8 is the combination of the portable/handheld mercury analyzer (EMP-2) and the gas-borne mercury pretreatment equipment (WLE-8). Its lightweight and compact structure ensures high portability, by which the workload of measuring flue gas in high places can be dramatically reduced although that has been considered difficult.

EMP-2+SGM-8T

Measurement of mercury concentration in flue gas

Flue gas is guided from the flue to the gas-borne mercury pretreatment equipment (WLE-8) through the heating conduit. Then, Hg2+ in the sample gas is reduced for pretreatment, and acidic gases (such as SO2, NOX, and HCl) are removed. Next, the sample gas is taken into the absorption cell of the EMP-2, and the mercury concentration is measured by atomic absorption spectrometry at absorbance of 253.7nm.

The measurement range is as wide as from 0.1 to 1,000 µg/m3, and the response time is only 1 second. Measured data is saved in CSV format in the SD card, and data can be easily analyzed.

SGM-8

Exhaust gas in the flue is taken through the heating conduit and passes through 10% tin (II) chloride solution in the first vial, and oxidized mercury is reduced into metal mercury, thereby, total mercury in the flue gas is measured.
Flue gas contains acid gases such as SO2, and NOX, which are removed by a 1mol/L KOH solution in the second vial. Then, moisture in the gas is removed in the third vial.
Reagents and moisture are discharged and replaced automatically.

Measurement of mercury in different forms is realized

By two sets of the SGM-8, you can easily ensure real-time measurement of metal mercury and elemental vapor phase mercury separately.

In the gas-borne mercury pretreatment equipment (WLE-8) of the first set (SGM-8T), the sample gas is passed through 10% tin chloride solution, oxidized mercury is reduced into metal mercury, and elemental vapor phase mercury in flue gas is measured.

With the WLE-8 of the second set (SGM-8E), you can measure elemental vapor phase mercury alone by using KCl solution.

Thus, by using two sets in this system at the same time, you can measure mercury in different forms.

SGM-8

SGM-8

Specfications

EMP-2
Measurement principleNon-dispersion double-beam direct UV atomic absorption spectrometry
Measurement methodReal-time measurement method
Measurement flow rate0.3L/min
Measurement range0~1,000µg/m3 (Resolution: 0.1µg/m3)
Measurement accuracy C.V. <10% @ 0.4µg/m3 (EMP-2 standalone)
Exhaust mercury filterChemically-treated activated carbon
Zero correctionAutomatic correction
Temperature correctionAutomatic correction (Temperature range from 0 to +45°C)
Control and data processingDisplayPeak profile, Mercury concentration
Data savingSD card (Saved in CSV format)
Data to be savedMeasurement date, Peak ABS data, Mercury concentration
Dimension/Weight265W x 110D x 128H mm, 1.5kg
Power supplyAC100~240V±5%, 50/60Hz
Power capacityMax. 10W
WLE-8
Reagent dispenseReagent Pump (x2) (Tin (II) Chloride, Potassium Hydroxide solution), Discharge pump (x3) (Auto or manual reagent dispense and discharge can be possible)
TubePharMed@BPT Tube 1/8 x 1/4 x 1/16
Dimension/Weight 210W x 210D x 257H mm, 4.4kg
Power supplyAC100~240V±5%, 50/60Hz
Power capacityMax. 30W

Optional parts

Heating conduit (self-control type 5 m); measuring probe; AC adapter; gas calibration kit (CK-1)

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