The primary use is the measurement of back fat in swine for the determination of sow condition, gilt selection, quality and other genetic aspects. Other uses include fat measurement in cattle, sheep and other land animals, as well as blubber measurement in aquatic animals. (The Lean-Meater is not intended for measurement of muscle tissue.)

The Lean-Meater can be thought of as an electronic ruler. Ultrasonic pulses sent into the animal are reflected back to the instrument from tissues of interest. The times until these echoes are received are translated into distances in mm. Measurements are non-invasive—no piercing of the skin with the consequent danger of infection. The animals are neither hurt nor irritated.

Specifications:
General
- All solid-state computerized circuitry
- Environmentally protected circuit board
- All-metal case

Operation
- Measures back fat in 10 seconds or less
- Signal given when measurement is complete

Range / Accuracy
- 4-35 mm (0.156" - 1.365") +/- 1 digit

Display
- 2-digit LED for thickness
- 3 LED’s to indicate 1, 2 or 3 layers being measured.
- Battery charging LED

Controls
- On/Off push button

Power Supply
- Nickel Metal Hydride battery

Battery Pack Life
- Approximately 2-4 years (1000 charges/discharges)

Operating Supply
- 6-10 hours on full charge.
- Recharge in 12-14 hours.

Battery Charger
- 100-240VAC 50/60Hz .2A

Size
- 18 x 7 x 2.5 cm (7 x 2.75 x 1 in)
- Weight (Lean-Meater Only) 340 gm (12 oz)

Shipping Weight, Complete Package
- 850 gm (1.87 Ibs)

Package included:
- Lean-Meater instrument
- Probe cable
- Charger
- Container for coupling fluid
- Test cylinder
- Instructions