Mastercool DG-500 - Digital Gauge Low Pressure

Professional digital low-pressure gauge for accurate refrigerant service. Easily perform pressure/temperature calculations for up to 91 different refrigerants including R134a, R410a and R22. Large 4-digit blue backlit LCD display provides vibrant readings in even the darkest of environments. Unit conversion between MPa, kPa, bar, psi, kg/cm², inHg. Essential tool for professional HVAC/R technicians who demand accuracy and reliability.

Key Features:

• Low-pressure digital gauge
• 91 different refrigerants supported
• Large 4-digit blue backlit LCD display
• Unit conversion: MPa, kPa, bar, psi, kg/cm², inHg
• Temperature display: °C/°F
• Pressure range: -14.5 to 500 psi (-0.1 to 3.4 MPa)
• Accuracy: ±0.5% FS
• Auto-off backlight after 6 seconds
• Low battery warning
• Over range alarm indication

Specifications:

• Model: DG-500
• Type: Low-pressure digital gauge
• Pressure Range: -14.5 to 500 psi (-0.1 to 3.4 MPa)
• Resolution: 0.5 psi
• Accuracy: ±0.5% FS
• Measurement Units: MPa, kPa, bar, psi, kg/cm², inHg
• Temperature Unit: °C/°F
• Display: 30mm x 17mm LCD with blue backlight
• Operating Temperature: -10°C to 60°C
• Battery: CR2450
• Battery Life: Approximately 6 months
• Sampling Rate: 1 second

Supported Refrigerants (91 Total):

R12, R1234yf, R1234ze, R124, R125, R134a, R141B, R142B, R413A, R152A, R21, R218, R22, R23, R290, R32, R401A, R401B, R401C, R402A, R402B, R403A, R403B, R404A, R406A, R407A, R407B, R407C, R407D, R407E, R407F, R408A, R409A, R409B, R410A, R410B, R412A, R413A, R414A, R414B, R415B, R416A, R417A, R419A, R420A, R421A, R421B, R422A, R422B, R422C, R422D, R423A, R427A, R437A, R438A, R441A, R442A, R443A, R444A, R448A, R449A, R449B, R450A, R452A, R452B, R454B, R454C, R455A, R470B, R471A, R472A, R50, R500, R502, R503, R504, R507A, R508A, R508B, R509A, R513A, R515B, R600, R600a, R601, R601a, R740, R744

Applications:

• Low-pressure side monitoring
• Refrigerant charging and recovery
• HVAC system diagnostics
• Precise pressure/temperature calculations
• Multi-refrigerant service work
• Professional HVAC/R operations

Benefits:

Large 4-digit blue backlit LCD display provides vibrant, easy-to-read measurements in even the darkest environments. Supports 91 different refrigerants including modern low-GWP refrigerants like R1234yf, R32, and R454B. Unit conversion between MPa, kPa, bar, psi, kg/cm², and inHg provides flexibility for international markets. High accuracy (±0.5% FS) ensures reliable measurements. Displays alarm indication when over range, Celsius or Fahrenheit designation, and low battery warning directly on the LCD screen. Auto-off backlight after 6 seconds conserves battery life. Approximately 6 months battery life ensures long-term operation. Essential for professional HVAC/R technicians who demand accuracy and versatility.

Low-pressure digital gauge. 91 refrigerants. Blue backlit LCD. MPa, kPa, bar, psi, kg/cm², inHg. -14.5 to 500 psi range. ±0.5% accuracy. Professional quality.