• Part Number: 490A-4
• Range: 0 to 100 psi
• Options: Without
• Tagging: Without
• Calibration: Without
• Seven user-selectable English and metric units
• Stores 40 readings in memory for later reference
• Accurate up to ±0.5% F.S (60 to 78°F)
• Pressure Hysteresis: ±0.1% of full scale
• 32 to 104°F temperature limits
• Two 1/8in (3.18mm) female NPT connections
• CE approved
• APPLICATIONS:
• Chiller to coils for freeze protection
• Hydronic valve balancing
• Measure pressure drop across pumps
• Refrigerant pressure testing

• Service: Compatible gases & liquids.
• Wetted Materials: 316 SS; -3V option: 316LSS, Buna-N, silicone, grease, PTFE, brass 360, copper, reinforced acetal copolymer; -HKIT option: 316LSS, PTFE, brass, copper.
• Accuracy: ±0.5% FS from 60 to 78°F (15.6 to 25.6°C); ±1.5% FS 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% FS.
• Pressure Limits: See chart
• Temperature Limits: Operating: 0 to 140°F (-17.8 to 60°C); Process with -HKIT
• option: -20 to 180°F (-29 to 82°C); Storage: -4 to 176°F (-20 to 80°C).
• Display: 4-digit LCD (.425˝ H x .234˝ W digits).
• Resolution: See chart.
• Process Connections: Two 1/8˝ (3.18 mm) female NPT; -HKIT option: Two 1/4˝ male 45° flare fittings.
• Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
• Weight: 14.1 oz (400 g); -HKIT option: 3.6 lb (1.63 kg).
• Agency Approvals: CE.

• (1) 490A Handheld Digital Manometer
• (1) User manual
• (1) 9 V battery

Brochure/Datasheet

Instruction Manual

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