Omega Products HHMM257 User Manual

Pinless Moisture Meter

HHMM257

U Non-Invasive Moisture

Measurement

U Multifunction Backlit

Triple LCD

U Pinless Measurement

Depth from 20 to 40 mm
(0.78 to 1.6") Below the
Surface

U High Frequency

Sensing Technology

U Automatic Data Hold
U Two Adjustable Alarm

Levels with Audible
Beeper and Visual
(Flashing “RISK” or
“WET”) Indicators

U Automatic Calibration

(in Dry Air) When Meter
is Powered On

U Low Battery Indication
U Auto Power Off

The pinless HHMM257 handheld
moisture meter incorporates a
moisture sensor that monitors
the moisture in wood and other
building materials without causing
surface damage. High frequency
sensing technology allows the
meter to take non-invasive moisture
measurements. The HHMM257 has
an easy-to-read backlit LCD display
that can be manually turned on or
off. User programmable alarms alert
the user if moisture measurements
exceed alarm set-points. This
meter is shipped fully tested and
calibrated, and with proper use, will
provide years of reliable service.

Specifications

Moisture Range: 0.0 to 100.0

(relative only)
Measurement Depth: 20 to 40 mm

(0.79 to 1.6")

Display Type: Backlit LCD
Display Digits: Three numeric

displays; each displaying from

0.0 to 100.0
Display Icons: HOLD, DRY, RISK,

WET, MIN, MAX and low battery icon
Operating Temperature: 4 to 43°C

(40 to 110°F)
Operating Humidity: 90%, 0 to 30°C

(32 to 86°F), 75%, 30 to 40°C
(86 to 104°F), 45%, 40 to 50°C
(104 to 122°F)

Power Supply: Three 1.5V “AAA”
batteries (included)

Auto Power Off: After 30 minutes
of inactivity

Dimensions: 235 H x 63 W x 28 mm
diameter (9.2 x 2.5 x 1.1")

Weight: 218 g (7.7 oz)

Moisture Comparison Table (Typical)

Material Display Units Moisture Status

Gypsum <30 Dry

Cement <25 Dry

Wood <50 Dry

HHMM257
shown smaller
than actual size.

H

u

30 to 60 Risk

>60 Wet

25 to 50 Risk

>50 Wet

50 to 80 Risk

>80 Wet

Measures relative moisture of various
building materials including wood,
particle board, carpeting, and ceiling
tiles using non-invasive pinless
technology.

To Order Visit omega.com/hhmm257 for Pricing and Details

Model No. Description

HHMM257

Comes complete with soft carrying case, 3 “AA” alkaline batteries, and operator’s manual.
Ordering Example: HHMM257, pinless moisture meter. OCW-3, OMEGACARESM extends

standard 1-year warranty to a total of 4 years.

Hu-1

Pinless moisture meter