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Wet/Wet Handheld Digital Manometer

Series 490

Series 490 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 memory function allows storage of up to 40 readings for later recall and a backlight provides auxiliary lighting for hard-to-see locations. Standard are a hold feature and both visual and audible overpressure alarms. A new feature added to the Series 490 is a field adjustable damping. This allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications. A 9V alkaline battery is included that provides up to 100 hours of operation.

  • Service: Compatible gases & liquids
  • Wetted Materials: Without valve: Type 316L SS. Additional wetted parts with 3-way valve option: Buna-N, silicone grease, PTFE, brass 360, copper, reinforced acetal copolymer
  • Accuracy: ±0.5% F.S., 60 to 78°F (15.6 to 25.6°C); ±1.5% F.S. from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C)
  • Pressure Hysteresis: ±0.1% of full scale
  • Pressure Limits: See Ordering page
  • Temperature Limits: 32 to 104°F (0 to 40°C)
  • Storage Temperature Limits: -4 to 176°F (-20 to 80°C)
  • Display: 0.42" (10.6 mm) 4 digit LCD
  • Resolution: See Ordering page
  • Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable
  • Weight: 14.1 oz (400 g)
  • Connections: Two 1/8" (3.18 mm) female NPT
  • Agency Approvals: CE




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