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MET ONE BT-620 Bench-Top Particle Counter
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Met One Bt-645 Benchtop Particle Counter
Met One Bt-645 Benchtop Particle Counter

MET ONE BT-645 Benchtop Particle Counter

MET ONE BT-645 Benchtop Particle Counter key features

• Four Mass Ranges (PM1, PM2.5, PM10 & TSP)
• Rugged Design
• Real-Time Monitoring
• Sample History
• Low-Cost w/ Data Logging
• Purge Air System
• 1-Year Warranty

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(1 customer review)
SKU:7399

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MET ONE BT-645 Benchtop Particle Counter

The BT-645 laser optical sensor detects and measures particle concentrations up to 100 milligrams per cubic meter. The continuous flow optical sensor is combined with the purge air to ensure accurate measurements in adverse environments. The internal data logger will store more than 28,000 samples. Sample historical events can be viewed on the screen or downloaded to a computer using the Comet software.

MET ONE BT-645 Benchtop Particle Counter specifications:

  • Display: 20 character x 4-line LCD
  • Keyboard: 6-key membrane type
  • Concentration Range: 0 to 100 mg/m3 (0 to 100,000 μg/m3)
  • Sensitivity: 1 μg/m3
  • Accuracy: 5% traceable to standard with 0.6 μm PSL
  • Measuring Time: 1, 5, 10, 15, 30, and 60 minutes
  • Flow Rate: 2 LPM
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  1. mike –

    Absolutely loved their customer service

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Brand

Met One

Met One

Met One Instruments, Inc. is in the business of ambient air measurements and air quality monitoring elements that effect every person on earth. Met One Instruments, Inc. was founded in 1989 with the primary purpose of simplifying and improving the user’s experience. The new company placed exceptional customer service and ease of use at the forefront, introducing new products and services well received in the market.

With the company’s increasing reputation for service, reliability, and integrated system solutions, Met One Instruments went through a rapid growth phase. Part of this growth involved Met One’s strategic acquisition of other businesses in the industry, broadening our product offering, core technology, and customer base. All of this helped catapult Met One Instruments, Inc. to a being a global provider.

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datasheet

Data Sheet

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Specifications

particle counter
Concentration range/resolution/accuracy

0 to 100 mg/m3 (0 to 100,000 µg/m3), 5% traceable to standard with 0.6 µm PSL, 1 µg/m3

Data storage sample

Over 28,000 samples

Flow rate

2 LPM

Sample time

1, 5, 10, 15, 30 and 60 minutes

Mechanical and General Specifications
Dimensions

Height = 4.25” (10.8 cm) Width = 7.44” (18.9 cm) Thickness = 3.25” (5.4 cm)

Weight

3.7 lbs (1.7 kg)

Power

14.8V Li-ion (Lithium Ion) battery pack, Li-ion battery charger, 100 – 240 VAC, 50/60Hz to 16.8 V @ 1.8 A RS‐232, USB

Accessories

AC Adapter / Battery Charger, Calibration Certificate, Communications Software (Comet), Li-ion Smart Charger w/ Power Cord, Sample Inlet (TSP), USB cable, User Manual, Zero Filter Assembly

Operating temperature

0° to +50°C

Storage temperature

-20° to +60°C

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