Tenmars TM-4100/TM-4100D Tacho Meter Digital Tachometer Detection Distance 50mm to 500mm (1.58 to 19.7) TM-4100D Temperatures Humidity Datalogger *Dimensions：150mm×74mm×32 mm

*Dimensions：150mm×74mm×32 mm

Communication function

Innovative Technologies: Core technological configuration with a number of innovative technologies

with compact size

It can be used not only to test the acceleration

Tenmars TM-4100/TM-4100D Tacho Meter Digital Tachometer Detection Distance 50mm to 500mm (1.58 to 19.7) TM-4100D Temperatures Humidity Datalogger *Dimensions：150mm×74mm×32 mmBrand: Graigar Color: Black Features: Large LCD 6 digits with backlit. Measuring by the output of red visible spectrum light. Measurement distance: 50~500mm. Manual data memory storing : 300 data . USB datalogger up to 20,000 data (TM 4100D). model number: TM 4100D EAN: 0707457581877