| Specifications | ST722 | ST723 |
| Rotation Speed (non-contact) | 6.0 - 99999 rpm (rev/min) | 6.0 - 99999 rpm (rev/min) |
| Rotation Speed (contact) | | 6.0 - 25000 rpm (rev/min) |
Surface Speed (contact)
| | 0.6 - 2500.0 M/M (m/min),
0.7 - 2734.0 Y/M (yard/min),
23.6 - 98425 I/M (inch/min),
2.0 - 8202.1 F/M (feet/min) |
Length (contact)
| | 0.1 - 9999.9 M (m)
0.1~10936 YD(yard)
0.3~32808 FT(feet) |
| Total number of revolutions | | 1-99999REV(rev) |
| Accuracy | 6.0 - 5999.9 rpm: ±0.01% and ±1 digit,
5999.9 - 99999 rpm: ±0.05% and ±1 digit)
| 6.0 - 5999.9 rpm: ±0.01% and ±1 digit,
5999.9 - 99999 rpm: ±0.05 and ±1 digit,
Surface Speed,Length 0.5%and ± 1 digit
|
| Detection | Laser diode | Laser diode |
| Resolution | 6.0 - 9999.9RPM
10000 - 99999RPM: 1 (RPM) | 6.0 - 9999.9: 0.1 RPM
10000 - 99999 rpm: 1 RPM |
| Response Time | 1 secend | 1 secend |
| Operating Temp. | 0~50oC (32 to 122oF), 10 to 90% RH | 0~50oC (32 to 122oF), 10 to 90% RH |
| Auto Power Off | Automatically after approx. 30s | Automatically after approx. 30s |
| MAX/MIN/AVG | YES | YES |
| Memory | 40 Points | 40 Points |
| Battery Type | 9V(006P,IEC6F22,NEDA1604) | 9V(006P,IEC6F22,NEDA1604) |
| Dimensions | 147 x 49 x 29 mm (5.79'' x 1.93'' x 1.14'') | 147 x 49 x 29 mm (5.79'' x 1.93'' x 1.14'')
Include Contact Adapters. |
| Weight | 95g (3.35oz) Approx (without battery) | 95g (3.35oz) Approx (without battery)
Contact Adapters : 50g(1.76oz)
|
| Standard Accessories | 9V Battery, Instruction manual,Reflective tape 15 x525 mm
(0.59'' x 20.67'' ), Carryimg Case | 9V Battery, Instruction manual, Cone adapter, Funnel adapter, Contact adapter, Master Wheel (10cm), Reflective tape 15x525mm (0.59”x20.67”), Carrying Case |
Contact Adapters 
