Bossman Instruments Technology


Ultimate in Filtration & Purification Technology                               An ISO 9001:2000 Certified Company



Desiccant Air Dryers

Compact Heatless air Dryer
Heatless Desiccant air Dryer

Internal Heat Compressed air Dryer

Blower Heat Reactivated air Dryer

Refrigerated Air Dryer

Refrigerated air Dryer
High Pressure Refrigerated air Dryer

Filters & Filter Cartridges

Compressed air Micro Filter
Coaleaser Filter
Dust Filter
Hydraulic Filter
Oil Filter
Water Filter
Steam Filter
BAG Filter
Panel Filter
Automobile Filter
Water Strainer
Air Treatment Accessories
Electronic Autodrain Valve
No loss energy save Drain Valve
Moisture Seperator
Air Cooled After Cooler
Water Cooled After Cooler
Air Receiver

Measuring & Control instruments

Temperature Controller
Moisture & Dew point  meters
Temperature & Pressure Transmitter
Temperature & Pressure Sensors

Replacement Filter Elements & Bags Filters

Air Filter Elements & Cartridges
Filter Bags
            Moisture & DEW point meter


       DEW point meter


  • Compact lightweight meter for in-line
  • Factory calibrated, traceable to international standards
  •  Accurate to 1 ppm equivalent moisture in dry gas
  • Ranges available from –100 C (-148 F) Dewpoint Temperature
  • Field calibrateable
  • Stainless Steel sensor holder

Boss-Dew 2100 Specifications

Standard Dewpoint -148F to +86F
-100C to +30C
Accuracy (meter) 1% of meter reading, 3 C DP
In-line hygrometer in plastic DIN style case for panel mounting or tabletop use.

Alarm relays rated at 240V, 3A Analogue 4-20 ma and 0-1  Vdc standard

Power Supply
110 or 220 Vac or 18 –30 V dc

Backlit LCD digital indicating meter defining dewpoint in  degrees C.(degrees F available)

Dimensions / Weight Panel cutout 5.3 x 2.6 x 8 inches deep. Weight: 1.3Kg
Preferably atmospheric with flow rate of 1 - 5  liters/minute

Automatic calibration / Manual  Calibration


  • Control of compressed air dryer
  • Measurement of moisture in instrument air
  • Measurement of moisture in helium gas for nuclear reactors
  • Measuring moisture in carbon dioxide gas
  • Measurement of moisture in conditioned air for failure
    analysis of electronic components
  • Continuous monitoring of moisture in vacuum evacuation
    and gas refill in oil-filled transformers
  • Measurement of moisture in hydrocracker gas streams
  • Measurement of moisture in Argon.
  • Used as a blanketing gas in glove box applications
  • Measurement of moisture in nitrogen process gas for a
    polyester chip dryer
  • Measurement of moisture in a hydrogen-rich hydrocarbon
  • Measurement of moisture in an inert cover gas for polymers
  • Measurement of moisture in pigments for paints and plastics
  • Measurement of moisture in nitrogen-oxygen blanketing gas used in semiconductors production
  • Measurement of moisture in service air systems aboard ships, including air systems for radar wave guides
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