- Air Quality Meter
- Anemometer
- Battery Test Analyzer
- Calibration Tester
- Chart Data Recorder
- Chlorine Meter
- Clamp Meter
- Coating Thickness
- Concrete Meter
- Conductivity Meter
- Current Injection Test
- Current-Echosounder
- Deadweight Tester
- Density Meter
- Dew Point Hygrometer
- Dissolved Oxygen
- Fault Finder Locator
- Flaw Detector
- Flow Meter
- Force Gauge
- Gas Analyzer
- Gauss Meter
- Grain Moisture
- Ground Resistance
- Hand Pump
- Hardness Tester
- High Voltage Rercue
- Hipot Tester
- Holiday Detector
- Insulation Tester
- Leak Detection
- Level Lube Controller
- Light Meter
- Manometer
- Multimeter
- Networks Analyzer
- Ohm Meter
- Oil Content Analyzer
- Oscilloscopes
- Other Products
- PH Meter
- Pipe Cable Locator
- Power Quality Analyzer
- Pressure Gauge
- Rangefinder
- Shaft Alignment
- Sound Level Meter
- Spectrophotometer
- Stroboscope
- Tachometer
- Temp. Calibrator
- Thermal Imager
- Thermohygrometer
- Thermometer
- Torque Tester
- Turbidity Meter
- Ultrasonic Thickness
- Vibration Analyzer
- Video Borescope
- Water Level Meter
- Water Quality Meter
- Weather Station
- Wood Moisture Meter
DWYER 490A Handheld Digital Manometer
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The SERIES 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.
Features
Up to 0.5% accuracy
Seven user-selectable English and metric units
Stores up to 40 readings for later recall
Backlight for use in dim areas
Product Applications
Chiller to coils for freeze protection
Measure pressure drop across pumps
HEPA filters to determine when a filter needs to be changed
Valves to determine valve position

