Either Semiconductor or Infrared technologies are applied to this product family. Unlike the conventional semiconductor one, the infrared leak detector not only last longer but provide the contamination model to detect the smallest leak. Both type have 3 adjustable sensitivity levels and LET tip light. They start up with noticeable start-up melody (312/316) and easy recharged with USB power adaptor (312/316). The multiple colors LED are easy for users to identify the leak levels.
- Extremely sensitive infrared sensor
- Contamination mode (316)
- Peak hold function
- Auto sensitivity function
- Audio Alarm
- LED tip light
- Mute function
- Low battery indicator
- USB power adaptor
- Rugged flexible probe
- 3 adjustable sensitivity levels
- DC 3.7V rechargeable lithium battery
- Automatic reset to background
- Detects R-134a, R-404a, R-410a, R-507 (AZ-50) and R-22 etc.
Specifications |
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ST316V4 |
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Refrigerants |
R-22, R-134a, R-404a, R-410a, all CFCs, HCFCs and HFCs |
R-22, R-134a, R-404a, R-410a, all CFCs, HCFCs and HFCs Ditto + R-507 (AZ-50) |
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Sensitivity Levels |
High 0.25 oz./yr (7 g/yr) Medium 0.50 oz./yr (14 g/yr) Low 0.99 oz./yr (28 g/yr) |
High 0.15 oz./yr (4 g/yr) Medium 0.25 oz./yr (7 g/yr) Low 0.50 oz./yr (14 g/yr) (Compatible with SAE J2791) |
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Response Time |
N/A |
Less than 0.5 second |
Less than 1 second |
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Warm Up Time |
90 seconds |
45 seconds |
30 seconds |
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Battery |
9V Battery |
DC3.7V, 800mAh rechargeable lithium battery, Approx.2.5 hrs continuous use when fully charged |
DC3.7V, 1960mAh rechargeable lithium battery, Approx.5 hrs continuous use when fully charged |
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Charging Time |
N/A |
3 hours in all @400mA |
6 hours in all @400mA |
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Pump System |
N/A |
Yes |
Yes |
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Flexible Probe Length |
450 mm (17.72") |
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Dimensions |
187x70x40 mm (7.24"x2.76"x1.57") |
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Weight |
280 g (9.88 oz.) |
300 g (10.58 oz.) |
435 g (15.34 oz.) |
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Storage Temperature |
-10~60°C(14~140°F); <70% RH |
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Accessories |
Instruction Manual, Carrying Case, Leak test bottle, Holster (312/316), AC adapter (312/316), Filters*5 pcs (316) |
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Applications |
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