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 ，Series 477B Digital Manometer ，Series 477B Manometer | ||
Series 477B Handheld Digital Manometer
Product Introduction
The Series 477B Handheld Digital Manometer is a precision instrument designed for accurate measurement of positive, negative, and differential air pressures. With an impressive ±0.1% full-scale accuracy (at 60–78°F/15.6–25.6°C), it outperforms standard manometers in reliability. Available in ranges from 0–20 in w.c. to 0–100 psi, the device features the ability to store 40 readings, the option for seven pressure units, and both visual/audible overpressure alarms. Its compact, battery-powered design makes it ideal for field use in HVAC, industrial diagnostics, and compressed air systems.
Product Features
Exceptional Accuracy:
±0.1% FS accuracy in optimal temperatures (15.6–25.6°C), ±1% in extended ranges (0–40°C).
±0.1% FS hysteresis for consistent readings across pressure cycles.
Multi-Functionality:
Measures positive, negative, or differential pressure in 7 selectable units (in w.c., psi, kPa, mbar, etc.).
Stores 40 readings for later recall, with hold function for freezing measurements.
User-Centric Design:
Backlit 4-digit LCD (0.425"H digits) for low-light visibility.
Visual/audible overpressure alarms to prevent damage in extreme conditions.
Portability & Power:
Lightweight (10.2 oz/289 g) with 9V alkaline battery (included, user-replaceable).
Long battery life for extended field operations.
Durable Construction:
Operating temperature: 0–140°F (-17.8–60°C); storage: -4–176°F (-20–80°C).
Barbed/compression fittings for 1/8"–3/16" ID tubing (model-dependent).
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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