Thiết bị đo tốc độ vòng quay Extech RPM33, tiếp xúc 2 to 20.000rpm, không tiếp xúc 2 to 99.999rpm

• Large 5 digit backlit LCD display
• Microprocessor based with quartz crystal oscillator to maintain high accuracy
• Store/recall 10 data sets in memory with 4 parameters (measurement, max, min and average)
• Wide RPM (photo and contact) and Linear Surface Speed/Length (contact) measurements
• Laser guided for greater distance non-contact measurements up to 1.6ft (500mm)

Phụ kiện kèm theo thiết bị Extech RPM33 bao gồm:

• contact wheel for rpm or linear surface speed/length,
• 9V battery
• reflective tape
• soft case