SZJ-5A Standard speed generating deviceDetailed product description：

The SZJ-5A standard speed generating device is a novel intelligent speed measuring standard instrument that can be used to calibrate various speed instruments. It has the advantages of multiple speed regulation modes and high speed accuracy, and can automatically calculate the calibration data of various tachometers according to regulatory requirements, and print and output the calibration results.

Main technical indicators of SZJ-5A standard speed generating device

	SZJ-5A	SZJ-5
Output speed range	20～30000 r/min	100～9999 r/min
Accuracy of output speed	20～300 r/min　An0.03% 301～30000 r/min An0.01	100～9999 r/min An0.03%
Motor speed range	100～10000 r/min
Transmission ratio of gearbox	10x acceleration and 10x deceleration
Output torque	High speed shaft (H) 5.00 × 10-2 N.m Low speed shaft (L) 5.00 × 10-1 N.m Medium speed shaft (O) 5.00 × 10-1 N.m
Speed setting method	Given numeric keypad
Normal working conditions	Environmental temperature: 10-30 ℃ Relative humidity: 10-85%
Power supply	AC　220V　50Hz
Overall dimensions	Control box 320 × 115 × 430 mm, gearbox 214 × 160 × 250 mm
weight	25㎏