Dwyer 490A-HKIT液用數(shù)顯差壓計(jì)套件

Model Description 
490A-1  Wet/Wet handheld digital manometer, 0 to 15 psi (0 to 103.4 kPa) 
490A-2  Wet/Wet handheld digital manometer, 0 to 30 psi (0 to 206.9 kPa) 
490A-3  Wet/Wet handheld digital manometer, 0 to 50 psi (0 to 344.8 kPa) 
490A-4  Wet/Wet handheld digital manometer, 0 to 100 psi (0 to 689.5 kPa) 
490A-5  Wet/Wet handheld digital manometer, 0 to 500 psi (0 to 3448 kPa) 
490A-6  Wet/Wet handheld digital manometer, 0 to 200 psi (0 to 1379 kPa) 
Specifications
Service: Compatible gases & liquids. Wetted Materials: Without valve: 316L 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, 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 on catalog page. Electronic Temperature Limits: 32 to 140°F (0 to 60°C). Process Temperature Limits with -HKIT:: -20 to 180°F. Storage Temperature Limits: -4 to 176°F (-20 to 80°C). Display: 0.42" (10.6 mm) 4 digit LCD. Resolution: See chart on catalog page. Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable. Process Connections: Two 1/8" (3.18 mm) female NPT; -HKIT Option: Two male 45 Flare 1/4". Weight: 14.1 oz (400 g). Agency Approvals: CE. 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 
Digital dampening for low pressure - high resolution logging accuracy 
Automatic resolution adjustment for finer control 
OptionsDwyer 490A-HKIT液用數(shù)顯差壓計(jì)套件
-HKIT Hydronic meter kit includes two 6 ft high pressure rated tubing with shut off valves, high pressure 3-way valve, 8 ft Poly tubing for purges, hard travel case, handheld carrying strap, 1/16" x 1 1/2", 1/8" x 3" and 1/8" x 1-1/2" pairs of pressure probes, 90° Flare to 1/4" NPT fittings, Adjustable 8" wrench, PTFE Tape, and magnetic protective rubber boot. NIST Calibration Certificate Standard 

Dwyer 490A-HKIT液用數(shù)顯差壓計(jì)套件