Amittari AT-137PC Multifunction Tachometer (Photo.: 2.5~99,999 RPM; Contact.: 2.5~19,999 RPM; Surface: 0.05~1,999.9 (m/min.); 0.04~1666.65Hz)

Model: AT-137PC

Range - Photo Tach.: 2.5~99,999 RPM

Range - Contact Tach.: 2.5~19,999 RPM

Range - Surface Speed: 0.05~1,999.9 (m/min.); 0.2~6,560 ft/min.

Range - Frequency: 0.04~1666.65Hz

Resolution - Tachometer: 0.1 RPM (2.5~999.9 RPM); 1 RPM (over 1,000 RPM)

Resolution - Surface Speed: 0.01 m/min. (over 10 m/min.); 0.1 m/min. (over 100 m/min.)

Resolution - Surface Speed: 0.1 ft/min. (0.1~999.9 ft/min.); 1 ft/min. (over 1,000 ft/min.)

Accuracy - Tach.: ±(0.05%+1 RPM)

Accuracy - Surface Speed: ±(0.05%+0.03m/min.)

Sampling Time - Photo Tach.: (1 sec. over 60 RPM)

Sampling Time - Contact Tach.: (1 sec. over 15 RPM)

Test Range Select: Automation

Memory: Last Value, Max. Value, Min. Value

Time Base: Quartz Crystal

Detecting Distance: 50 to 250 mm / 2 to 10 inch (Typical Max. 600 mm / 24 inch)

Operation Temperature: 0~50°C (32~122°F)

Power Supply: 4x1.5V AAA Um-4 Battery

Main Unit Size: 140 x 70 x 31mm (5.5 x 2.8 x 1.2")

Sensor Size: Φ45 x 195mm (Φ1.8 x 7.7")

Weight: 245g (With Battery) 8.64oz

Standard Accessories: Main Unit; External Sensor; RPM adapter (CONE); RPM adapter (FUNNEL); Surface Speed Test Wheel; Reflective Tape Marks; Carrying Case; Operation Manual

Optional Accessories: USB Cable & Software; Bluetooth Adapter & Software

Datasheet