Digital Tachometer
Features:
§  New Digital Hand Tachometers are compact and easy to handle.
§  NIST Certification is supplied with each Digital Hand Tachometer.
§  Model PH-200LC (982-552) has Laser Diode Detection and a combination of Contact and Non-Contacts measurement.
§  Supplied with plastic carrying case.
Specifications
Code No.	982-551	982-552
Model No.	PH-100A	PH-200LC
Revolutions per Minute	1.0 – 25,000 rpm
Rotation Speed		Non-contact: 6.0 – 99,999 rpm; Contact: 6.0 – 25,000 rpm
Surface Speed (Using 6” Wheel)	0.1   – 3,809.8 m/min; 4,166.4 yards/min 3 – 99,999 inch/min; 0.2 – 12,499 feet/min	1.0   – 3,809.8 m/min; 1.0 – 4,166.4 yards/min 36 – 99,999 inch/min; 3.0 – 12,499 ft/min
Length (Using 6” Wheel)	0.01  – 99,999 m; 0.01 – 99,999 yds 0.1 – 99,999 ft; 1 – 99,999 inches	0.2 – 99,999 m; 0.2 – 99,999 yds; 0.5 – 99,999 ft
Total number of revolutions	0.1 – 99,999	1 – 99,999
Measuring Accuracy      Revolution        Surface, Speed, Length	1.0   – 599.5 rpm: +/-1 rpm, 600.0 – 25,000 rpm: +/-0.006% and +/-0.5 digit +/-0.4% and +/-1 digit	6.0 – 599.9 rpm: +/-1 rpm, 600.0 – 99,999 rpm +/-0.006% and +/-0.5 digit +/-0.4% and +/-1 digit
Display Size	5 digit 0.47” (12 mm) height LCD
Memory Function	14 readings are stored in memory and retained for 5 minutes (Last, Max, Min, Average and 10 selectable measurements)
Update Time	1 second
Detection	Optical couple, 20 pulses per revolution	Laser diode
Auto Power Off Function	5 minutes
Batteries	3 AA 1.5 Volts
Low Battery Indicator	Flashing “LO BAT” display
Over Range Indicator	Flashing “OVR” display
Operating Temperature	32 - 113°F (0 - 45°C)
Construction	ABS resin
Outside Dimensions	4.83” L x 2.52” W x 1.24” H (122.5 mm x 64 mm x 31.5 mm)	4.55” L x 2.52” W x 1.24” H (115.5 mm x 64 mm x 31.5 mm) Overall length with contact adapter : 149 mm
Weight	0.37 lb with batteries (170 g)	Main unit: 0.35 lb with batteries (160 g), Contact adapter: 0.11 lb (50 g)
Accessories	Carrying Case, Cone Adapter, Funnel Adapter, Master Wheel (6” cir.), NIST Certificate, Operation Instructions, 35 Reflective Tabs (PH200-LC only)