Niigata seiki LHT-400 Instruction Manual

Digital Hardness Tester for Metals (Rebound Type)
LEEB HARDNESS TESTER
Thank you for purchasing the Niigata Seiki Leeb-Type Hardness Tester.
This digital instrument measures the hardness of (non-magnetized) metals: steel, cast steel, tool steel, stainless steel, heat
resistant steel, standard (gray) cast iron, ductile (nodular cast) iron, cast aluminum alloys, brass, bronze, and copper. Hardness is
measured by impacting the surface of the sample with a test probe and measuring the rebound velocity.
●For safe and proper use of this product, please read this
instruction manual before use and follow the procedures
described. Please keep manual where it is accessible to user
for future reference.
●Keep this manual with the instrument if transferred or leased to
a third party.
●For inquiries about this product, please contact dealer or
Niigata Seiki at the address listed on the following page.
■ PART IDENTIFICATION & FUNCTION
[Main Unit]
⑤ Cover
③ LCD Display
② Measuring
Ring
① Probe
[Accessories]
⑪ ＵＳＢ Cable
⑫ Cleaning
Brush
⑬ Measuring Ring (sml.)
● Case ● Manual
[Measurement Screen]
Ⓛ Ⓑ Ⓚ Ⓒ
AUTO HL
Ⓐ
Ⓜ
: 3
D
ST&CAST ST
■Standard Ⓙ
Display
PROFESSIONAL
⑥ Measure Button
④ ＵＳＢ Port
⑦ Handle
⑩ Up Button
⑨ Down Button
⑧ Power Button
Ⓓ
H HLD:
MAX: 419
Ⓔ
M I N: 411
Ⓕ
414
AVG:
Ⓖ
3 0000
Ⓐ
075%
Ⓘ Ⓗ
■Large Readout
SAFETY NOTIFICATIONS
In this manual,
OR PROPERTY DAMAGE if not followed. The
indicates something which is PROHIBITED, and the
symbol indicates REQUIRED step or necessary condition.
①
Probe ·························· Impactor which strikes surface
②
Measuring Ring ·········· Pressed to surface during
③
LCD Display ··············· For display of measurements
④
USB Port ···················· Connects to included USB cable
⑤
Cover ·························· Cover for USB Port. Please
⑥
Measure Button ··········· Press to release Probe and
⑦
Handle ························· Move down to position Probe
⑧
Power Button ·············· Power ON/OFF, and menu
⑨
Up Button ···················· Button to select a setting, and
⑩
Down Button ················ Button to select a setting, and
⑪
USB Cable ·················· Connects for charging Main
⑫
Cleaning Brush ··········· For cleaning inside of Main
⑬
Measuring Ring (sml.) ··· Replaceable tip for use in
⑭ ＡＣ Adapter
⑭
AC Adapter ················· Charges Main Unit via the
⑮
Calibration Block ········ Test Block of specified hardness
●
Storage Case ·············· Storage case for Main Unit
⑮ Calibration
●
Instruction Manual ······ This user guide.
Block
Ⓐ
Ⓑ
Ⓒ
Ⓓ
Ⓑ Ⓚ Ⓒ
Ⓔ
Ⓕ
419
AUTO HL H HLD:
Ⓖ
Display

Instruction Manual

Model No.
indicates RISK OF PERSONAL INJURY
during measurement.
measurement.
and settings.
for charging and data output.
keep closed when not in use.
trigger a measurement.
for measurement.
select button.
to control display size.
to delete last measurement.
Unit and transferring data.
Unit.
tight places.
USB Cable.
for checking, and calibrating
unit before each test.
and accessories.
Ⓗ
Scaled t / Average
Ⓘ
Scale Units
Ⓙ
Measurement
Ⓚ
Maximum
Minimum
Ⓛ
Average
Ⓜ
Record Number
Press the Up Button
between Standard and Large readout
LHT-400
symbol
Battery Charge Level
No Measurements / Total
Material Setting
High・Low Limit Exceeded
（Ｈ） （Ｌ）
Memory Auto / Off
Probe Type
to toggle