AZ7701 Digital Portable Carbon Monoxide Detector Pocket Type CO Detector EMF Meters it can identify the probe

it can identify the probe type automatically

HT-6510A shore a hardness tester meets standards of DIN 53505

Insert the outer test tube into the fixed sleeve and tighten it with the test tube fixing screw

power parameter and frequency of generator or mains

With temperature compensation function and digitalizing analog signal function

AZ7701 Digital Portable Carbon Monoxide Detector Pocket Type CO Detector EMF Meters it can identify the probeBrand: Graigar Color: Yellow Features: The 7701 AZ pocket digital CO tester has the back light function, which could let user to operate in the dark area easily. Warning Carbon Monoxide Level is adjustable; Auto power off function. Dual display CO reading and maximum value. 2 points (0 500 ppm) CO calibration. Preset an audible alert triggers above 25 ppm indicating threshold of dangerous CO concentration. model number: AZ7701 Part Number: AZ7701