“D-Meters” have user preferred features for
general-purpose thickness gauging applications.
Small, comfortable, convenient package
• Fits comfor tably in the palm of the hand for
one-thumb operation
• Lightweight 9 oz. (255 g) - no operator fatigue for
tireless use
• Rubber Field Case provides extra protection and
practical options for user comfor t and convenience.
Simple, reliable operation
• Automatic Probe Zero for fast calibration and
simple use. Probe Zero is continuously updated
during use to ensure reliable measurements by
compensating for probe wear, expansion, or
contraction. No action is required of the user and
probe zero blocks are eliminated.
• Only 5 keys (DM4) and 9 keys (DM4 DL) control
all functions.
• Standard AA alkaline batteries provide up to 200
hours of use. No special batter y packs or
batter y chargers are required.
• Big digits on high-contrast backlit display are easily
read from any angle under all lighting conditions.
• Instrument features can be tailored (activated/
deactivated) to meet the requirements of the
job and preference of the user from the front
panel keypad.
Inspection preferred features:
Don’t let the small size and few keys fool you.
The DM4 and DM4 DL are power ful measurement
tools with MODE SELECT to activate the following
features:
• THK, Normal Thickness Measurement and
1-Point calibration mode displays and holds
measured thickness reading until another mea-
surement is made. Fast, 1-Point thickness
calibration is per formed in THK mode.
• 2-Pt, Two Point Calibration mode allows calibra-
tion to two known thicknesses of the material to
satisfy special application requirements.
• VEL, Material Sound Velocity mode enables
display of the instrument’s current calibrated
velocity and simple calibration when a material’s
velocity is known.
• MIN, Minimum Capture mode displays the mini-
mum thickness detected in a series of readings.
Backlight mode allows the user to select
OFF, ON, or AUTOMATIC to suit inspection
area lighting conditions.
• GAIN mode allows the user to manually adjust
the operating gain of the instrument by selecting
automatic (AUTO), low (LO), medium (MED), or
high (HI) to satisfy the application.
• HI/LO Alarm Limits mode aler ts the user when a
thickness reading is less than or greater than a
user set minimum/maximum thickness value.
• DIF, Differential mode displays the
+ difference
between the actual thickness reading and a user
set nominal value.
• FLTR, Band pass filter selection of LO or HI to
match frequency of probe for best per formance.
Built to last
The DM4 and DM4 DL are designed for depend-
able performance in harsh industrial environ-
ments. Reliability and low, infrequent ser vice
costs are ensured by a sealed membrane switch
keypad, impact-resistant housing, gasket seal,
single printed circuit board, and a full two-year
warranty on par ts and labor.
The batteries are contained in a gasket sealed,
isolated battery compartment eliminating con-
tamination or physical damage to the electronics
from moisture, dir t, or batter y leakage.
Rubber field case accessory has neck strap, wrist strap,
hanging loop, and prop-up stand for ”hands-free” use.
(24 strony)
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