The MK-21 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-21uniquely 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.
- 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
| Low Range | HI Range | ||
| Measuring Range | ACC | 0.0 ~ 20.0 m/s² | 0 ~ 200 m/s² |
| ACCP | 0.0 ~ 20.0 m/s² | 0 ~ 200 m/s² | |
| VEL | 0.0 ~ 20.0 mm/s | 0 ~ 200 mm/s | |
| DISP | 0 ~ 200 µm | 0 ~ 1990 µm | |
| Frequency Range | ACC | 1k ~ 20kHz | |
| ACCP | 1k ~ 20kHz | ||
| VEL | 10 ~ 1kHz | ||
| DISP | 10 ~ 1kHz | ||
The MK-21 is supplied as a complete kit with the gauge and wrist strap, probe and cable assembly, batteries and instruction manual -- all supplied in a fitted, hard plastic carrying.
| 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 |
| Item | Description | Price | ||
|---|---|---|---|---|
MK-21 Vibration Meter, measurings according to ISO 10816 | $1,595.00 | |||
| Accessories | ||||
PU-6ALV6 | Replacement Piezoelectric Vibration Pickup for MK-21 (formerly PU-626E) | $495.00 | ||
PU-6ALTH-A | Replacement Piezoelectric Vibration Pickup for MK-21 (formerly PU-601R) | $695.00 | ||
CD-C1-3N | Coiled Cable for use on PU-626E or PU-6ALV6 Vibration Pickup for MK-21 | $295.00 | ||
MK-9002 | Magnet for use with MK-21 Vibration Meter | $245.00 | ||
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