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

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