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DUOYI517 Refrigeration Digital Manifold Gauge can measure double pressure at the same time, as well as dual temperature measurement , with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs. Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data. Also it tests percentage of vacuum measurement; pressure leak measurement, leak time speed record. It is deserved to have this multi-functional, accurate and simply operated digital manifold let you do the job right.

Features:
1.【Powerful Functions】DUOYI517A Refrigeration Digital Manifold Gauge supports dual pressure test, dual temperature test , percentage of vacuum measurement, pressure leak measurement, leak time speed record.
2.【Built-in 89 kinds of Refrigerant Datas】
3.【Digital Readout】Built-in 32-bit digital processing unit and high-precision data acquisition unit, high data and stability.
4.【Backlit LCD Display】Large-size liquid crystal display, LCD backlight support, data display clear and easy to read, convenient light operation.
5.【 High-quality Design】 The instrument uses high-strength engineering plastics and flexible non-slip silicone design, the whole machine is solid and comfortable to hold. Long-life valve switch, 1/4-inch standard interface design to ensure that the instrument's durability and versatility.
6.【Multi Unit Switch】Pressure units:Kpa; Mpa; bar; inHg; PSI. Temperature units:°C,°F

7.【Widely Usage】DUOYI517A Refrigeration Digital Manifold Gauge can used for automobile air conditioning,household air conditioning,cold Storage,refrigeration Equipment.

HIGH &LOW PRESSURE TEMP. TEST
The temperature of the refrigerant in the high / low pressure pipelines of the air conditioning system.

EVAPORATION/CONDENSING PRESSURE AND TEMPERATURE TEST
The minimum pressure when the refrigerant changes from gas to liquid,and the maximum temperature when the gas changes to liquid.

PRESSURE LEAKAGE TEST
Calculate the pressure difference between the initial test pressure
and the second test pressure to determine if the refrigerant is leaking.

Compatible with Refrigerant System:
R11 R13 R113 R114 R115 R116 R12 R123 R124 R125 R1270 R134A R14 R141B R142B R143A R152A R170 R21 R218 R22 R227EA R23 R236EA R245CA R245FA R290 R32 R401A R401B R401C R402A R402B R403A R403B R404A R404B R405A R406A R407A R407B R407C R407D R407E R408A R409A R41 R410A R410B R411A R411B R412A R413A R414A R414B R415A R415B R416A R417A R418A R419A R420A R421A R421B R422A R422B R422C R422D R423A R424A R425A R426A R427A R428A R50 R500 R501 R502 R503 R504 R507A R508A R508B R509A R600 R600A R717 R744(Co2) R1234

Specifications:
Pressure test: gauge pressure
Pressure test unit: Kpa; Mpa; bar; inHg; PSI.
Pressure test range: 0 Kpa – 6000 Kpa
Pressure test resolution: 1 Kpa
Pressure test accuracy: +/- 0.5 %(FS)+ 5dgt
Pressure overload limit: 10000 Kpa (10 Mpa; 100 bar;)
Vacuum test: relative vacuum
Vacuum test unit: Kpa; Mpa; bar; inHg; PSI.
Vacuum test range: -101 Kpa – 0 Kpa
Vacuum test resolution: 1 Kpa
Temperature test unit: °C (Celsius), °F (Fahrenheit)
Temperature test range: -40°C–150°C (-40°F–302°F)
Temperature test resolution:
0.1°C (-40°C–99.9°C), 1°C (100°C–150°C)
0.1°F (-40°F–99.9°F), 1°F (100°F–302°F)
Temperature test accuracy: +/- 0.5 °C + 2dgt +/- 0.9 °F + 2dgt
Built-in 89 kinds of refrigerant NIST: According to American NIST standard
Power Supply: 4 X 1.5V (SIZE.AA / LR6) Battery not include
Dimensions: 170*110*50mm weight: 950g

Packing list:
1x Refrigerantion Digital Manifold Gauge
1x User Manual (in English)
Battery not include

Model	DY518	DY517	DY517A	DY522A
Leak Pressure Test	√	√	√	√
Refrigerant Temperature Test	X	√	√	√
Vaccum Pressure Test	√	√	√	√
Refrigerant Refill	X	√	√	√
Built-in Refrigerant Data	89	89	89	93
Refrigerant VIsible Window		√	√	√
Pressure Units	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2
Temperature Units	°C,°F	°C,°F	°C,°F	°C,°F
Include Test Pipes	X	X	√	√
Include Temperature Clip	X	X	√	√
Include Portable Box	X	X	√	√

Model	DY518	DY517	DY517A	DY522A
Leak Pressure Test	√	√	√	√
Refrigerant Temperature Test	X	√	√	√
Vaccum Pressure Test	√	√	√	√
Refrigerant Refill	X	X	X	√
Built-in Refrigerant Data	89	89	89	93
Refrigerant VIsible Window		√	√	√
Pressure Units	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2	KPa, Bar, PSI, InHg, KgF/cm2
Temperature Units	°C,°F	°C,°F	°C,°F	°C,°FX
Include Test Pipes	X	X	√	√
Include Temperature Clip	X	X	√	√
Include Portable Box	X	X	√	√