SV Tech
QDB128 Micro Differential Pressure Gauge for Clean Room & HVAC
QDB128 Micro Differential Pressure Gauge for Clean Room & HVAC
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We offer the QDB128 Micro Differential Pressure Gauge to customers across Canada. This analog pointer-type gauge is designed for measuring small pressure differences in cleanrooms, HVAC systems, and industrial ventilation environments. With rugged aluminum housing, diaphragm-based sensing, and NPT threaded ports, it ensures reliable, vibration-resistant performance in both front- and rear-mounted configurations.
Applications:
Cleanroom differential pressure monitoring
Fan and filter pressure measurement
HVAC and air handling systems
Wind speed and air gas ratio control
Medical and pharmaceutical environments
Combustion and valve control systems
Environmental protection and aerospace projects
Technical Specifications:
| Parameter | Value |
|---|---|
| Measuring Medium | Air and non-combustible, compatible gases |
| Measuring Range | -68–103 kPa |
| Accuracy | ±2% F.S |
| Temperature Range | -6.67°C to 60°C (20–140 °F) |
| Housing Material | Cast aluminum / ABS shell with Dari gray coating |
| Appearance Dimensions | 120.65 mm × 55.6 mm |
| Hole Size | 114 mm |
| Mounting Orientation | Diaphragm in vertical |
| Connections | 1/8" NPT (2 on side, 2 on back) |
| Accessories Included | 1/8" NPT fittings, plugs, mounting brackets & couplings |
| Weight | 560 g |
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