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Protimeter BLD7751 Hygromaster 2 Moisture Meter With Short QuikStick and Carry Case (BLD7751)

List price: $975.00
You save: $186.00 (19%)

Protimeter BLD7751 Hygromaster 2. Faster than Fast. The latest in handheld hygrometry technology!

The HygroMaster-2 is a unique instrument that can be used for spot measurements of humidity and temperature and as a data logger for monitoring humidity and temperature trends. It is a versatile tool ideally suited for professionals involved in the following industries: HVAC, building survey/home inspection, dampness diagnosis in buildings, flooring installation, specialty coating applications and flood restoration.

The BLD7751 measures air temperature, relative humidity and surface temperature. To measure all the above mentioned parameters, the BLD7751 uses different sensors, along with a variety of accessories for convenient measurements.

The BLD7751 comes standard with the Protimeter Quickstick which is recommended for general measurement.


  • Infrared non-contact surface temperature
  • Psychrometric Calculations
  • Data logging
  • Simple to use interface with color display


  • Long and short-term monitoring of a building's moisture health
  • Fast temperature and humidity response
  • Replaceable humidity and temperature sensor
  • Highly accurate


  • Display:  Color LCD
  • Batteries (Included):  9V
  • Plug in Temperature Probe Surface Temperature Probe - BLD5805
    • Range:  32°F to 158°F (0°C to 70°C)
    • Accuracy at:  77°F (25°C) +/- 1.3°F (0.7°C)
  • Infrared Surface Temperature Range     
    • IR Based: With 12:1 (D:S) Ratio
    • Range:  -4°F to 176°F (-20°C to 80°C)
    • Accuracy:  ±3.6°F (±2°C)
  • Hygrostick Data (Nominal)   
    • 30% to 40% RH (±3% RH) at 68°F (20°C).
    • 41% to 98% RH (±2%) at 68°F (20°C).
    • Range 32°F to 122°F (0°C to 50°C) ±0.6°F (±0.3°C)
  • Quikstick and Quikstick ST Data (Nominal)     
    • 0% to 10% RH, ±3% RH at 68°F (20°C),
    • 10% to 90% RH, ±2% RH at 68°F (20°C),
    • 90% to 100% RH, ±3% RH at 68°F (20°C),
    • Range 32°F to 122°F (0°C to 50°C) ±0.6°F (±0.3°C)
    • Nominal response 30% to 90% and back to 30% RH in 45 seconds @ 68°F (20°C)
  • Data Storage:  Store up to 8,000 results with date and time stamp from all instrument functions with the push of a button. Store 6100 results with automatic logging.
  • Dimensions (H x W x D):  7 in X 3.2 in X 1.5 in (178 mm X 81 mm X 38 mm)
  • Weight:  8 oz (227 gms)
  • Product Number:  BLD7751

What's in the Box

  • 1 - Protimeter Hygromaster 2
  • 1 - POL8751 QuickStick
  • 1 - BLD7759 Cable
  • 1 - Set 9V Batteries
  • 1 - Carrying Case
  • User's Manual

Optional Accessories

  • Surface temperature sensor BLD7701-80
  • Five pack Hygrostick: Software and cable BLD5810
  • Hygrostick/QuikstickTM extension lead BLD5802
  • Hygrostick POL4750
  • NIST traceable calibration certificates available BLDCERT
  • Surface humidity box BLD4711
  • Data cable and software BLD7712

Manufacturer's Limited Warranty

  • 24 months on mechanical or manufacturing defects. Does not include wearing part or accessories.

Dim Height:
7 inches
Dim Length:
1.5 inches
Dim Width:
3.2 inches

Moisture Meters

  • Envasive (Pins)
  • Non-Envasive

Product Data Sheet (AAS-920-081E-Protimeter-HygroMaster-110121-web.pdf, 840 Kb) [Download]

Manual (Protimeter_HygroMaster_2_Manual.pdf, 877 Kb) [Download]

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