Xi'an Kacise Optronics Co.,Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 1000 Piece/Pieces per Week negotiable |
| Delivery Time | 5-8 work days |
| Packaging Details | each unit has individual box and all boxes are packed in standard packages or customers requests available |
| Warranty | 1 Years |
| Medium | Air And Compatible Gases |
| Type | Differential Pressure Gauges |
| Weight | 289 G |
| Accuracy | ±0.1% |
| Temperature Resistance | -17.8 ~ 60 ℃ |
| Brand Name | Dwyer |
| Model Number | 477B |
| Certification | CE |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 1000 Piece/Pieces per Week negotiable |
| Delivery Time | 5-8 work days | Packaging Details | each unit has individual box and all boxes are packed in standard packages or customers requests available |
| Warranty | 1 Years | Medium | Air And Compatible Gases |
| Type | Differential Pressure Gauges | Weight | 289 G |
| Accuracy | ±0.1% | Temperature Resistance | -17.8 ~ 60 ℃ |
| Brand Name | Dwyer | Model Number | 477B |
| Certification | CE | ||
| High Light | Handheld Digital Manometer Dwyer ，Dwyer Series 477B Handheld Digital Manometer | ||
Dwyer Series 477B Handheld Digital Manometer
Product Introduction
The Dwyer Series 477B Handheld Digital Manometer sets a new standard for portable pressure measurement, offering ±0.1% full-scale accuracy across a range of pressure spans. Battery-powered and designed for field use, this manometer measures positive, negative, or differential pressures in air and compatible gases, making it ideal for HVAC commissioning, industrial maintenance, and precision testing.
Product Features
Exceptional Accuracy:
±0.1% FS at 15.6–25.6°C (60–78°F), ensuring reliable readings in critical applications.
Versatile Measurement Modes:
Positive, negative, and differential pressure measurement with seven selectable units (in. w.c., psi, kPa, mbar, etc.).
Data Management:
Memory storage for 40 readings, hold function, and backlit LCD for low-light environments.
Safety Features:
Visual and audible overpressure alarms to prevent damage during high-pressure scenarios.
Technical Specifications
| Parameter | Detail |
| Model | 477B-1 to 477B-7 (ranges from 0–20 in. w.c. to 0–100 psi) |
| Accuracy | ±0.1% FS (15.6–25.6°C); ±1% FS (0–15.6°C and 25.6–40°C) |
| Media | Air and compatible gases |
| Display | 4-digit LCD (0.425"H x 0.234"W), backlit for visibility |
| Power | 9V alkaline battery (included), typical life: 100+ hours |
| Process Connections | - 1/8" or 3/16" ID barbed fittings (models 477B-1 to 477B-5) |
| - Compression fittings for 1/8" ID x 1/4" OD tubing (models 477B-6 to 477B-7) | |
| Temperature Range | Operating: -17.8–60°C (0–140°F); Storage: -20–80°C (-4–176°F) |
| Weight | 10.2 oz (289 g) |
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments . We have been specializing... Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments . We have been specializing...
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