Product Specifications - Sentry ST312A Instruction Manual

3. Product Specifications

Model
Sensor
Refrigerants
Sensitivity levels
Accuracy
Calibration
Response time
Warm up time
Battery type
Battery life
Sensor failure notification
Audio alarm
Fan system
Auto power off
Low battery indicator
Tip light
Flexible probe length
Operating temp. and %RH
Storage temp. and %RH
Dimensions
Weight
Accessories
312A
Semiconductor
R-22, R-32, R-134a, R-404a, R-410a,
and all CFCs, HCFCs and HFCs
High：0.15 oz/year(4g/year)
Medium：0.25 oz/year(7g/year)
Low：0.5 oz/year(14g/year)
Compatibility with SAE J2791
Manually reset to background level
Automatic reset to background level
Less than 0.5 second
Approx. 50 seconds
3.7V DC, 1960mAh rechargeable lithium
battery
Max. up to10 hours continuous use
after fully charged.
Yes
Yes(Buzzer)
Yes
10 minutes of idle.
Yes (Battery Icon)
Yes
18"(450mm)
32°F ~ 122°F(0°C ~ 50°C), ＜80%RH
14°F ~ 140°F(-10°C ~ 60°C), ＜70%RH
7.2"x 2.8"x 1.6"(184 x 70 x 40 mm)
12 oz.(340g)
Included : Quick user's guide, USB cable, Leak test bottle
Option to buy: Charger, Rubber protector, Hard carrying case