Description

Caltech India offers Surface Roughness Tester is widely used in production site to measure surface roughness of various machinery-processed parts, calculate corresponding and clearly display all measurement parameters.

Specifications		Ordering Information
		BGD 930	BGD 931
Standard		ISO4287, DIN4768, JIS B, ANSI 146.1
Measuring range	Ra	0.005～16μm/1.000～629.9μinch	0.050～10μm/1.000～400.0μinch
	Rq	0.005～16μm/1.000～629.9μinch	—-
	Rz	0.020～160μm/0.780～6299μinch	0.020～100μm/0.780～629.9μinch
	Rt	0.020～160μm/0.780～6299μinch	—-
Accuracy		≤±10%
Resolution		0.001μm（reading＜10μm）
		0.01μm（10μm≤reading＜100μm）
		0.1μm（reading ≥100μm）
Fluctuation of display value		≤6%
Profile digital filter	Filtered profile	RC,PC-RC,GAUSS	—–
	Non- filtered profile	D-P	—–
Sensor	Radius	5μm	10μm
	Material	Diamond	Diamond
	Measuring force	4mN（0.4gf）	16mN（1.6gf）
	Probe angle	90°	90°
	Vertical radius	48mm	48mm
	of guiding head
	Maximum driving stroke	17.5mm/0.75inch
	Cutoff length	0.25mm,0.8mm,2.5mm
Driving speed	Measuring	Sampling length = 0.25mm When Vt=0.135mm/s
		Sampling length = 0.8mm When Vt=0.5mm/s
		Sampling length = 2.5mm When Vt=1mm/s
	Returning	Vt=1mm/s
Evaluation length		1～5L selectable
Metric/Imperial		Conversion
Auto off		√
Memory		7 Groups	—–
Pc interface		RS-232C	—–
Built in Li-ion battery		Rechargeable
Operating condition	TEMP	0～50℃
	Humidity	﹤85%RH
Dimension		140×52×48mm（5.5×2.2×1.9inch）
Net weight		420g

Optional Accesories:

Surface Roughness Tester

BGD 1290	RS-232 or USB cable
BGD 1291	Software
BGD 1292	Sensor for deep groove
BGD 1293	Sensor for curve surface
BGD 1294	Measuring stand

In India, we have various customers from Mumbai, Delhi, Bangalore, Chennai, Hyderabad, Ahmedabad, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Nagpur, Visakhapatnam, Indore, Bhopal, Patna, Vadodara, Ghaziabad, Ludhiana, Coimbatore, Madurai, Nashik, Srinagar, Aurangabad, Dhanbad, Allahabad and Ranchi in India.