SZG-1100 gasoline engine tachometerDetailed product description：

Performance of SZG-1100 gasoline engine tachometer:
Lightweight and convenient, perfect for carrying in a pocket.
Detect the engine speed during ignition.
Powered by Battery No.7
It is very convenient to detect through LCD display.
Accurately measure to 1 r/min

Technical parameters of SE-1100/SZG-1100 gasoline engine tachometer:
The tachometer is a domestically produced instrument of SE-1100

Adaptable engine types	gasoline engine
	2-stroke			1, 2, 3-cylinder
	4-stroke			1, 2, 3, 4, 5, 6, 8, 12-cylinder
Testing method:	Ignition noise detection
Detection target:	High voltage beam
Detection distance:	30 to 200mm
Measurement range:	Pulse/R	4-stroke	2-stroke	measurement range
	1/2 (P/R)	1-cylinder		100 to 20,000 r/min
	1 (P/R)	2-cylinder	1-cylinder	100 to 20,000 r/min
	3/2 (P/R)	3-cylinder		100 to 20,000 r/min
	2 (P/R)	4-cylinder	2-cylinder	100 to 20,000 r/min
	5/2 (P/R)	5-cylinder		100 to 20,000 r/min
	3 (P/R)	6-cylinder	3-cylinder	100 to 15,000 r/min
	4 (P/R)	8-cylinder		100 to 10,000 r/min
	6 (P/R)	12-cylinder		100 to 9,000 r/min (*1)
Measurement accuracy:	±1 r/min (±2 r/min at 1/2 P/R for speed above 10,000 r/min)
Display mode:	LCD, 5-digit
Measurement display time:	1s, automatically repeated
Battery undervoltage indication:	B mark appears in the upper right part of the display.
Battery type and lifespan:	3  AA  /  50 hrs
Working environment temperature:	0 to +40°C
Storage environment temperature:	-10 to +60°C
Overall dimensions:	124.5(L) x 23(H) x 58(D) mm
Weight:	110g