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Sanfeng Spline Micrometer 311 Series
The Sanfeng spline micrometer 311 series meets the IP65 dust/water protection standard (331 series). Both the anvil and the spindle are equipped with
Product details
Suzhou Lefeng Precision Instrument Co., Ltd（German and Japanese Maintenance Department）Specializing in brands such as Sanfeng from Japan and Mal from Germany, to“Quality*”To provide measuring tools such as micrometers and calipers to the global market with our mission; Coordinate measuring machines, shape measurement systems, video measurement systems, optical instruments, and other precision measuring instrumentsProfessional maintenance service center. The company has strong technical strength, with multiple engineers from the world's largest measuring tool manufacturing enterprises. The accessories are imported from Japan, and the measuring laboratory instruments are all imported measuring instruments to solve customers' worries about poor accuracy after maintenance. The quality service is supported by the metrology and quality inspection department, which issues relevant maintenance product inspection reports and cooperates with customersMitutoyo“Mitutoyo”The general agent establishes a long-term and stable cooperative relationship. We are one of the most professional measuring instrument sales and maintenance service providers in mainland China.
Sanfeng Spline Micrometer 311 Seriescharacteristic
• Meet IP65 dust/water protection standards（331 series）.
Both the anvil and the spindle are equipped with a small diameter measuring head, which can be used to measure the spline shaft, groove, and keyway.
The ratchet locking device can maintain a constant force measurement.
• Equipped with SPC data output（331 series）.
performance parameter
Metric type digital display type
| measuring range | Item number | accuracy | notes |
| 0-25mm | 331-251 | ±2μm | Type A |
| 331-261 | ±2μm | Type B | |
| 25-50mm | 331-252 | ±2μm | Type A |
| 331-262 | ±2μm | Type B | |
| 50-75mm | 331-253 | ±2μm | Type A |
| 331-263 | ±2μm | Type B | |
| 75-100mm | 331-254 | ±3μm | Type A |
| 331-264 | ±3μm | Type B |
British/metric digital display type
| measuring range | Item number | accuracy | notes |
| 0 - 1' | 331-351 | ±.0001' | Type A |
| 331-361 | ±.0001' | Type B | |
| 1' - 2' | 331-352 | ±.0001' | Type A |
| 331-362 | ±.0001' | Type B | |
| 2' - 3' | 331-353 | ±.0001' | Type A |
| 331-363 | ±.0001' | Type B | |
| 3' - 4' | 331-354 | ±.00015' | Type A |
| 331-364 | ±.00015' | Type B |
Metric type
Sanfeng Spline Micrometer 311 Series
| measuring range | Item number | accuracy | notes |
| 0-25mm | 111-115 | Type A | |
| 111-215 | Type B | ||
| 25-50mm | 111-116 | Type A | |
| 50-75mm | 111-117 | Type A | |
| 75-100mm | 111-118 | Type A | |
| 100-125mm | 111-119 | Type A | |
| 125-150mm | 111-120 | Type A | |
| 150-175mm | 111-121 | Type A | |
| 175-200mm | 111-122 | Type A |
Imperial system type
| measuring range | Item number | accuracy | notes |
| 0 - 1' | 111-166* | ±.00015' | Type A |
| 1' - 2' | 111-142 | ±.00015' | Type A |
| 2' - 3' | 111-143 | ±.00015' | Type A |
*The reading of. 0001 'can be obtained on the cursor
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