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65 to 93 4dB
Probe Compensating Line
E-type Range -150~1000°C (-238~1832°F) Accuracy >-100°C
Digit & Resolution:3 digits & 0
4、Earth lead wire
Graigar GTJ-FKY Digital Concrete Crack Width Tester Gauge Meter 0.01~2.00mm Bridges Tunnels Buildings Metal Surface Crack Width Slit Width Gauge Flaw Detection Tools 65 to 93 4dBBrand: Graigar Color: Black Features: 1. Built in rechargeable polymer lithium battery greatly extends the working time and service life. 2. New upgrade, using the three proof shell design, waterproof, dustproof, shockproof. 3. Imported sensor chip is adopted for high test accuracy. 4. The host screen has graduated lines for direct reading. 5. The probe is equipped with night vision function and can be tested in dark environment. model number: GTJ FKY
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