The Checkline MK-21 hand held vibration meter accurately measures machine vibration, as recommended by ISO 10816, to alert the user to know when to provide cost-effective machinery maintenance to avoid costly down time, now and in the future.
In addition to standard approaches, the MK-21 uniquely checks machinery condition, in the Diagnostic mode, without reference to a chart … as easy as reading a, bb, ccc and dddd on the display - where a = Quite Good (Zone A), bb = Good (Zone B), ccc = Poor (Zone C) and dddd = Bad (Zone D).
Condition Zones A,B,C & D cover those vibration velocity ranges noted in ISO 10816
MK-21 Hand Held Vibration Meter
Wrist strap
Probe and cable assembly
Batteries
Instruction manual
Hard plastic carrying
FEATURES
Five (5) measuring modes: Diagnostic, Displacement, Velocity, Acceleration Peak and Acceleration, as required for a wide choice of vibration analysis techniques
Compact, ergonomic, lightweight design with simple button keypad and menu make for easy operation
Selectable backlit display for dark, hard-to-read locations
Four (4) Target Machinery Classes, per ISO 10816, in Diagnostic mode: Classes I, II, III and IV, for machines from less that 15 KW to Large Prime Movers, such as turbo generators and gas turbines with outputs greater than 10 MW
Powerful magnet-fitted sensor assures dependable mounting on vibrating steel surfaces
Specifications
| Sensor | Piezoelectric vibration pickup |
| Probe Operating temperature | 0 ~ 80° Celsius |
| Probe Dimensions | Ø 24 x 14mm (Total heigth 115mm) |
| Measuring modes | Acceleration (ACC): RMS value Acceleration (ACCP): PEAK value Velocity (VEL): RMS value Displacement (DISP): P-P value |
| Linearity | <+ />2% F.S. of each range |
| Resolution | 1/200 F.S. of each range |
| Display | 4½ - digit LCD display |
| Display Size | 18.4 x 49.8 mm |
| Power | One AA alkaline battery |
| Automatic power off | - No use for more than 10 minutes - Low battery |
| Battery life | > 8 hours continuous use (light off) |
| Operating temperature | 0° ~ 50° Celsius (<90% RH, Non condensing) |
| Storage temperature | -10° ~ 60° Celsius (<90% RH, Non condensing) |
| Dimensions | 69 W x 30 D x 154 H mm |
| Weight | Approx. 140g (battery included) |
| Warranty | Gauge: 1 year Probe: 90 days |
Measuring and Frequency Ranges
| Measuring Range | Low Range | HI Range | Frequency Range |
| ACC | 0.0 ~ 20.0 m/s² | 0 ~ 200 m/s² | 1k ~ 20kHz |
| ACCP | 0.0 ~ 20.0 m/s² | 0 ~ 200 m/s² | 1k ~ 20kHz |
| VEL | 0.0 ~ 20.0 mm/s | 0 ~ 200 mm/s | 10 ~ 1kHz |
| DISP | 0 ~ 200 µm | 0 ~ 1990 µm | 10 ~ 1kHz |