Heated Sampling System

HOFI™ BOX

The HOFI™ BOX offers an exclusive sampling system dedicated to heated analyzers. Ideal for corrosive gases. (Plug & play sampling solution for: MIR FT, MIR 9000H, Graphite 52M, Topaze 32M,…).

To be used with heated analyzers such as MIR FT, MIR 9000H, Graphite 52M et Topaze 32M

The HOFI™ BOX sampling system uses the Hot Wet Extractive (Wet Basis Analysis).

  • Double stage dust filtration
  • Span and zero gas injection at sampling point
  • Automatic back-flush function
  • Sample transfer up to 50 m (clean & wet sample) by 140-180°C heated line
  • Longer heated sampling line available
  • Heated probe with choice of materials & lengths to suit application
  • Waste Incineration (Municipal Energy from Waste or Industrial)
  • Sludge Incineration
  • Gas turbines
  • Power Plants
  • Boilers
  • Paper Mills
  • Glass, Cement, Petro chemistry and
  • Chemical Industry…
  • Fertilizer plants
Technical Specifications
HOFI heated filter temperature 180-190°C
Primary filter (in the probe) 20 μm (depending on probe type)
Fine filter (in the box) 0.5 μm
Sample flow rate 30 to 120 l/h
Dimensions 400 x 600 x 200 mm (W x h x D)
Weight 15 kg (IP55 enclosure)
Power supply 230 V/50Hz or 110V/50-60Hz
Consumption approx. 400 VA
Operating temperature -20°C to +50°C
Flange DN100-PN20 / 4’’-150 lbs (others upon request)

Hot Wet Extractive (Wet Basis Analysis)
The gas sample is extracted and transferred through heated sampling lines. It is heated above 180°C in order to avoid acid dew points for the analysis process. Upon arrival to the analyzer, the sample is hot and wet.

COMPLIANCE WITH: EU Regulation IED (WID / LCPD / MCPD directives) and US EPA (40 CFR 60 & 75) – “Sampling system used in/or AMS certification”

  • TÜV CERTIFIED EN 15267-3
  • U.S. EPA APPROVED 40 CFR 60 ET 75
  • MCERTs CERTIFIED EN 15267-3
  • QAL1 EN 15267-3, QAL3 EN 15267-3

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