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SKF Machine

Condition Advisor
Machine monitoring, made simple

SKF Machine Condition Advisor simultaneously
measures vibration signals and temperature to
indicate machine health or bearing damage.

Now both novice users and experts can eas- • Flexible enough to work with standard
ily, quickly, and accurately check the condi- 100 mV/g constant current accelerom-
tion of rotating equipment throughout your eters, an optional external sensor can be
facility. Equipping your maintenance and used for hard-to-reach locations and for
operations personnel with this rugged, ergo- more repeatable and accurate measure-
nomic and easy-to-use instrument can pro- ment results.
vide early warning of potential machine • Features English, French, German, Portu-
problems before a costly failure occurs. guese, Spanish and Swedish for user con-

• Quick and easy to set up and use, meas- Multiple measurements with
urements are shown on a bright display a single device
viewable in low light to direct sunlight.
Free on-line training is also available at The SKF Machine Condition Advisor provides
SKF @ptitude Exchange. an overall “Velocity” vibration reading that
• Lightweight, compact, and ergonomically measures vibration signals from the
designed, the SKF Machine Condition machine and automatically compares them
Advisor fits neatly at the belt line, in a to pre-programmed International Organiza-
pocket or a tool kit. Exceptionally durable, tion for Standardization (ISO) guidelines. An
the unit is rated IP 54 for use in industrial “Alert” or “Danger” alarm displays when
environments. measurements exceed those guidelines.
• Alert and Danger prompts provide Simultaneously an “Enveloped Acceleration”
increased diagnostic confidence. measurement is taken and compared to
• Measuring Velocity, Enveloped Accelera- established bearing vibration guidelines to
tion, and temperature simultaneously verify conformity or indicate potential bear-
saves time. ing damage.
• Efficient, economical, and environmentally The SKF Machine Condition Advisor also
friendly, the rechargeable SKF Machine measures temperature using an infrared
Condition Advisor operates 10 hours on a sensor to indicate uncharacteristic heat.
single charge.

the front-panel the SKF Machine Condition Advisor “On”.7 to 65.6 ft. flexibility and surface temperature of the measurement Quick and easy – first time confidence location and simultaneously displays all and every time three measurement values. 47 to 60 Hz · Range: 0. but less than six – Universal AC/DC wall plug-in – Enveloped acceleration: months: –20 to +35 °C (–4 to +95 °F) – Input: 90 to 264 V AC. contact infrared sensor measures the • Acceleration enveloping readings in gE LCD display in measurement mode Alarm display: Enveloped (A) Alert or ISO machine Select Browse Acceleration Velocity (D) Danger group button button Temperature Measurement Enveloped Battery status Acceleration indicator class (60% full) Specifications – Temperature: • Weight: 125 g (4.) eration · Infrared temperature accuracy: ±2 °C – Width: 47. meets (–4 to +113 °F) • Charger specifications: ISO 2954 – More than one month.04 (32 to 104 °F) accelerometer with 100 mV/g sensitivity to 3.60 in/s (equivalent Peak).) constant current accelerometer · Distance: Short range. meets • Storage temperature: constant current ISO 10816 – Less than one month: –20 to +45 °C • External sensor power: 24 V DC at 3.4 mm (1.0 gE • Humidity: 95% relative humidity.90 in. on the machinery – overall velocity and • Units in Metric or English 3 When the readings stabilize. – Output: 5 V DC regulated · Frequency: Similar to Band 3 (500 to non-condensing – 3 to 4 hours for a full charge 10 000 Hz) • Enclosure: IP 54 • Approvals: CE • Drop test: 2 m (6. (–4 to +392 °F) – Length: 200.5 mA · Frequency: 10 to 1 000 Hz. maximum • Battery life: 10 hours before charging • Temperature sensor: Internal infrared 10 cm (4 in. 0. the SKF Machine Condition Advisor’s non. • Velocity in mm/s RMS or IPS derived Peak “Select” button to hold the reading. At the same time. sensor input signal is processed to produce LCD simultaneously displays: 2 Press the sensor tip against the point to two different measurements for each POINT be measured.4 oz. When performing measurements. • Temperature in Celsius or Fahrenheit 4 Read and record the measurement values.85 in.6 °F) – Height: 25. the SKF Depending on the SKF Machine Condition 1 Press “Select” or “Browse” button to turn Machine Condition Advisor’s acceleration Advisor’s System setting.) • Vibration pickup: · Range: –20 to +200 °C • Dimensions: – Internal: Integrated piezoelectric accel.) from target again (≈1 000 measurements) temperature sensor • Operating temperature range: – With external sensor: Up to 55% less • Measurements: – In use: –10 to +60 °C (14 to 140 °F) battery life – Velocity: – While charging: 0 to 40 °C • Supported external sensor: Any standard · Range: 0.) – External: Accepts a standard 100 mV/g (±3.Accuracy.2 to 50.0 mm/s (RMS).00 in. press the enveloped acceleration.) 2 .0 mm (7.0 mm (1.

8 in.1 mm/s (0. Alert: 1 gE • Various cable lengths available Danger: 2 gE Groups 1 and 3 Magnet.4 in. In addition.) • Connector to SKF Machine Condition multi-vane impellers and integrated and a shaft speed below 500 r/min. Advisor CMAS 100-SL drivers. Note that these machine group classifications are set forth in ISO 10816-3. G2 and 4F The Extension sensor kit CMAC 105-K con- oped from a statistical analysis of existing Alert: 4. machinery The Enveloped Acceleration Classification Groups 2 and 4 (default) (CL1.)and vane impellers and integrated drivers.61 ips) measured.0 and 11.5 mm/s (0.25 ips) on ISO 10816-3 and to evaluate the bear.5 m standard) • These machines include pumps with tween 200 and 500 mm (7.25 ips) tains an accelerometer with integral cable databases. Therefore.0 mm/s (0. and speed of the machinery being Danger: 11.5 mm/s (0.4 in.).8 mm/s (0. Alert: 2 gE • 1/4-28 Mounting Stud • These machines are generally equipped Danger: 4 gE 1/ with sleeve bearings. Therefore.5 mm/s (0. but may • Waterproof use sleeve bearings.5 to 15 000 Hz frequency response • These machines are normally equipped Options are: (±3 dB) with rolling element bearings. Extension sensor kit Model CMAC 105-K ings according to general guidelines devel.3 and 12. How to choose the correct “Enveloped which rates overall velocity vibration levels Acceleration Classification” for your for standardized machinery classifications. but may use rolling 4-28 mounting hole element bearings. Model CMAC 109 ISO Group 1 and 3 classifications define the CL2 (default) • 14 kg (30 lbs.0 in. the measurements taken from machinery with above provides target thresholds for new.) • 1/4-28 mounting hole • Large machinery and electrical machines and a shaft speed between 500 and • Case material: Stainless steel with a shaft height greater than 315 mm 1 800 r/min.94 in.) Rigid or Flexible foundation? Danger: 10 gE An additional setting allows the specification Note: (when defining the overall alarm levels) of As with all commonly published severity guidelines.9 and 19. CL2. a shaft speed from 1 800 to 3 600 r/min. or CL3) you specify determines ISO Group 2 and 4 classifications define the the instrument’s “bearing vibration” alarm following type of machinery: levels. and operate at CL1 speeds above 600 r/min.Understanding and using Options are: Expanding your capabilities guidelines for vibration with SKF Machine Condition G2 and 4R (default) Advisor compatible The SKF Machine Condition Advisor provides Alert: 2.0 mm (1. a ø 25.39 ips) type. if both lower Rigid (default) or Flexible foundations.39 ips) (CMAC 104) and magnet (CMAC 109) with mounting stud. Note that bearing bore diameter is equal to shaft height.39 ips) urement results.0 mm Alert: 4 gE (0.25 ips) and for more repeatable and accurate meas- The Alarm Velocity Group (G2&4 or G1&3) Danger: 7. • 0. tween 20 and 150 mm (0.8 and 5.7 in. refurbished and recently maintained equipment.1 mm/s (0. Integral cable (1. the Enveloped Acceleration Classification that best describes the general Accelerometer • Medium-sized machines and electrical size and speed of the bearings being • 100 mV/g sensitivity machines with a shaft height between measured should be selected. This kit is needed to take How to choose the correct “Alarm Velocity G1 and 3R measurements from hard-to-reach places Group” for your machinery Alert: 4. Bearings with a bearing bore diameter be.) 50 mm bearing bore diameter at 500 r/min). • Small size case 160 and 315 mm (6. the applicable alarm values maybe lower.16 ips) accessories a means to evaluate machine health based Danger: 4.) pull-strength following type of machinery: Bearings with a bearing bore diameter • 25 mm (1 in.).) diameter between 50 and 300 mm (2. 3 . determines the instrument’s “overall vibra- tion” alarm limits. Alert: 7. CL3 Bearings with a bearing bore diameter be- These machines include pumps with multi. limits of the guideline are used (for example in CL2.1 mm/s (0.9 in. 24. select the G1 and 3F Group that best describes the general size. • Magnet material: Neodymium (12. Danger: 7.

Integrating Condition Monitoring Dynamic performance (2. • SKF Basic Condition Monitoring kit Spanish and Swedish [CMAK 400-ML] – Link to training on SKF @ptitude • SKF Electric Motor Assessment kit Exchange [CMAK 200-EN] • SKF Bearing Assessment kit [CMAK 300-SL] • SKF Energy Monitoring kit Please contact: [CMAK 450-ML] SKF USA Inc.50 in. All other trademarks are the property of their respective owners. Portuguese.) [CMAC 105-K] – ±10%: 42 to 420 000 CPM (0.870. 1.) integral cable and magnet • Voltage source: 18 to 30 V DC (–58 to +250 °F) [CMAC 105-K-5M] • Constant current excitation: 2 to 10 mA • Maximum shock protection: 49 km/s2 • Extension kit.699 • #WO_03_048714A1 PUB CM 2387 EN · March 2011 skf.) Products and Services. 1 600 mA. 90 to 264 V AC. 100 mV/g accelerometer Hex – ±3 dB: 30 to 900 000 CPM (0.) pull-strength • Mounting: 1/4-28 [CMAC 8004] [CMAC 109] • Resonant frequency: 1 920 000 CPM • User manual.49 in. magnet base.) • Case material: 316L stainless steel • Charger.360 • US 5.) Machine Condition Advisor compatible worksheet (Excel . Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct.18 in. 25.07 in. SKF reserves the right to alter any part of this publication without prior notice.0 μg/√Hz • Electromagnetic sensitivity: CE [CMAC 105-K-10M] – 100 Hz: 6.4 ft. Condition Monitoring Center – San Diego • SKF Advanced Bearing Analysis kit 5271 Viewridge Court • San ® SKF is a registered trademark of the SKF Group. • Sensing element: PZT Ceramic CMAS 100-SL includes: +5 V. California 92123 USA [CMAK 600-EN] Tel: +1 858-496-3400 • Fax: +1 858-496-3531 Web Site: www. CMAS 100-SL English.) integral cable and magnet [CMAC 105-K-3M] Electrical Environmental • Extension kit.) • Dynamic range: ±490 m/s2 (±50 g) 27.xls file) accessories (continued) – SKF Condition Monitoring Essentials catalog available in PDF file in English Specifications (Accelerometer) [CM2355] 73. German.025 • #US6.0 mm [CM5057] (100 mV/g) (0. accelerometer with 10 m • Spectral noise at: peak (5 000 g.skf.5 μg/√Hz • Submersible depth: 152 m (500 ft. pk) ( .87 in.0 mm 14 mm Accessories (1. product catalog • Sensitivity (±15%): 10. 13.0 mm • CD.792.0 in.0 mm 15 000 Hz) (0. international DC power supply diameter.8 ft.7 to 1/ -28 • Extension kit.Expanding your capabilities with SKF ø 5. indirect or consequential arising out of the use of the information contained herein.2 mV/(m/s2) ø 12.633.6 kg (30 lbs.0 mm – SKF Machine Condition Advisor trend (0.) integral cable and magnet – 10 Hz: 27.) • Extension kit.811 • US 5. 47 to • Sensing structure: Shear mode • SKF Machine Condition Advisor unit 63 Hz [CMAC 8002] • Weight: 20 g (0.5 m integral cable and magnet ø 13.) • Belt holster [CMAC 102] • Magnet.5 to with 1. © SKF Group 2011 The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted.) • Frequency response: (9/16 in. international DC power supply.9 ft. accelerometer with 3 m 4 7 000 Hz) Mounting hole (9.5 m (4. English hard copy • Belt holster [CMAC 102] (32 000 Hz) [32131800-EN] • Calibration certificate: CAL-Cert • CD containing: Optional kits that includes the SKF CMAC 105 – User manual available in PDF files in Machine Condition Advisor.) with M8 – 1 000 Hz: 2.5 μg/√Hz • Sealing welded: Hermetic • Connection cable.) socket type connector for standard con- • Output impedance: <100 Ω stant current 100 mV/g accelerometer • Bias output voltage: 7 to 14 V DC [CMAC 107] • Case isolation: >108 Ω Ordering information Replacement Physical SKF Machine Condition Advisor • Charger. SKF Patents include: #US04768380 • #US05679900 • #US05845230 • #US05854553 • #US05992237 • #US06006164 • #US06199422 • #US06202491 • #US06275781 • #US06489884 • #US06513386 • #US06633822 • #US6.5 sec • Temperature range: –50 to +121 °C (16.8 ft.4 mm (1. French.7 oz. accelerometer with 5 m • Settling time: ≤2.