Topcon RL-H3A, RL-H3B Instruction Manual

Foreword

Thank you for purchasing the Topcon RL-H3A/B Rotating Laser.
To quickly and effectively use the RL-H3A/B, please read these brief instructions carefully,
and keep them in a convenient location for future reference.

Handling Precautions

Before starting work or operation, be sure to check that the instrument is functioning cor-

Safety Information

In order to ens ur e the safe use of this product, prevent any danger to the operator or others,
or damage to property, important warnings are placed on the product and inserted in the
instruct ion manual.
We recommend that you become familiar with the meaning o f these Warning s and Cauti ons
bef or e continui ng.

Display Meaning

• High temperat ur e may ca use fire .

Do not cover the charger while it is charging.

• Risk of fir e or electric shock.

Do not use damaged power cable, plug and socket.

• Risk of fir e or electric shock.

Do not use a wet battery or charger.

• May ignite explosively.

Never use an instrument near flammable gas, liquid matte r, and do not use in a coal mine.

CAUT ION

• Use of controls or adjustm ent or performance of procedures other than those speci­fied herein may result in hazardous radiation exposure.

•

Do not connect or disconnect equipment with wet hands,you are at risk of electric

shocks if you do!

•

Risk of inju ry by overt ur n the car rying case.

User Precautions

Wear the required protectors (safety shoes, helmet, etc.) when operating.

Exceptions fro m Responsi bility

1

The user of this product is expected to follow all operating instructions and make periodic checks of the
product’s performance.

2

The manufacturer, or its representatives, assumes no responsibility for results of a faulty or intentional
usage or misuse including any direct, indirect, consequential damage, and loss of profits.

3

The manufacturer, or its rep resentatives, assumes no responsibility for consequential damage, and

Laser Safety

This product uses a visible laser beam, and is manufactured and sold in accordance with
“P e rformance Standards for Ligh t- Em itt ing Produ ct s” ( FDA/BRH 21 CFR 1040) or “Radiation
Safety of Laser Products, Equipment Classification, Requirements and User’s Guide” (IEC
Pub lic at i on 6082 5-1 ) prov ided on the safet y stan dards for laser products .
As per the said standard, R L-H3A standard model is classified as “Class 3R Laser Product”

and

RL-H3B model is classified as “Class 1 Laser Products”. In case of any failure, do not

disasse mble the i nstrument. Contact TOPC ON or y our TOPC ON dealer.

Beam aperture

RL-H3B
Class 1 Laser Product
Visible La ser B eam
Laser output : Approx. 0.9mw

Contents

Foreword ............................................................................. 1

Handling Prec autions ....... .......... ........... .......... ........... .......... . 1

Safety Information .................................................................2

Safety Precautions ................................................................ 2

User Precautions ... ..................................................... ...........5

Exceptions from Responsibility .............................................5

Laser Safety .......... ........... .......... ........... .......... ........... .......... . 6

Contents ................ ..................... ..................... ..................... .8

Standard System Components .............................................9

Nomenclature ..................................................................... 10

Standard System Components

RL-H3A

1)RL-H3A Instrument ..................1set

2)Battery unit

*

..............................1set

3)LS-70A/B Laser Sensor **........1pc.

4)Laser Sensor holder model 6....1pc.

5)Ca rry in g case........... ............ .....1pc.

6)Instruction man ua l.... ............ .....1vol.

RL-H3B

1)RL-H3 B Instrume nt .................. .1set

2)Battery unit

*

..............................1set

3)LS-70A/B Laser Sensor

** ........1pc.

4)Laser Sensor holder model 6....1pc.

5)C arr ying case............... ............ .1pc.

6)In s truction ma nua l... ... .. ........ .....1vol.

Nomenclature

Rotary head

Laser emitting window

(Beam aperture)

Handle

Control pane l

Battery status lamp

Automa t ic levelin g lam p

Preparation for Use

Power Source

Connect the battery acco r ding to the type of battery purchased.
Fo r handl i ng batt eri es, see the "Handling Power Sources" chapter.

Setting Instrument Up

Set the instrument on a tripod or smooth surface.

Auto-leveling Lamp

Blinking : Leveling automatically. When automatic leveling is almost complete, blinking

will slow. The rotary head is rotating slowly, and the laser beam is emitting .

On solid : Completes leveling. The rotary head is rotating (600r pm) and emits a laser

beam horizontally.

Intermittent Blinking

: The instrument is inclined beyond the automatic leveling range. The rotary

head is not rotating, nor the laser beam emitting.Turn off and level the

How to Operate

1

Set the instrument on a tripod or smooth surface
and power ON .

2

Turn on LS-70A/B las er sensor.
To change the on-grade precision of the laser sen-

sor, press the on-grade precision mode button.

4

Move the laser sensor up or down until the LCDÅ@
and audible indicators identifies the center of the

laser beam has beam loc ated..

Higher than datum position

(Buzzer sound:High frequent beep s ound)
Move the sensor downward.

Datum pos iti on

Normal
precision
mode

High
precision

Operational Example

Maintaining Power Sources

Dry Battery

Replacing Dry Batteries

1

Remov e th e battery c ov er b y turni ng the bat tery
cov er knob to “OPEN”.

Rechargeable Battery

Installing

1

Insert Ni-MH BT-49Q battery pac k into the DB­57C battery holder.

2

Insert the battery pack int o the instr ument and
turn the battery compartment lo ck to “LOCK”.

Charging

POWER

AC/DC converter
AD-9B/7C

Note :

1) The BT-49Q rechargeable battery can be charged while using the laser.

2) The BT-49Q rechargeable battery can be charged when removed from the instrument.

3) When the BT-49Q rechargeable battery cells are removed from the DB-57C battery holder, the
instrument ca n be used with alkaline batteries installed i n the battery pack.

BT-49Q

Checking and Adjusting

Horizontal Cali bratio n

Checking

Y1

Y2

X1

X2

about 20m(66ft)

about 20m(66ft)

Mark

A1

Laser Sensor

Wall A

Laser Sensor

Wall B

Mark

B1

5

Turn the instrument off, loosen the tri pod mo unt and rot a te the inst rume nt 180
degrees. Side X1 should now be facing wall A and X2 facing wall B.

X1

X2

Note:

Do not to disturb the position of the tripod
while rotating the instrument.

8

If no adjustment is needed in the X axis, repeat this procedure for the Y-axis using
sides Y1 and Y2 .

Adjusting

After checking calibration as described in the previous, follow this procedure if adjust­ment is requ i red . Be sure not t o mo ve the tripod or paper use d wh i le c hecking cal ib r a ti on .

1

Make a calibration reference mark (AX) on wall A as follows:

2

Turn the instrument off.

3

While pressing the height alert on/off key, press the power key. Then press the height
alert on/off key again within two seconds to enter adjustment mode. The height alert
lamp and battery status lamps will flash.

Height Alert On/Off key

Note:

Do not disturb the instrument or tripod while
performing step 3.

5

Turn the instrument off.

6

Repeat the checking procedure in the previous section to confirm proper calibration
has been obtained.

7

If Y axis adjustment was required, repeat this procedure for the y axis.

Horizontal Rotation Error of Cone

Perform the following check after completing "Horizontal Calibration" on the previous
page.

about 38m(125.5ft)

2m(6.6ft)

about 20m(66ft)

about 20m(66ft)

Mark

A1

Mark

B1

Mark

B2

A2

4

Measure the distance between each set of marks. If the difference between the mea­surement s is l ess than 4mm (0.16 inch or ap proximately 5/32 inch), cone error adjust­ment is not required.

EXAMPLE:
A1 – A2 = 10mm
B2 – B1 = 12mm
12mm – 10mm = 2mm

10mm/0.4in

A1

A2

12mm/0.48in

B2

B1

Standard / Optional Accessories

154

152

150

153

151

149
148

160

158

156

154

152

150

148

159

157

155

153

151

149

160

158

156

154

152

159

157

155

153

151

Laser sensor holder model 6

Clamp knob

Laser sens or holder model 5

Laser sensor hold er model 3

Clamp knob

Clamp knob

Beam r ec ei vi ng windo w

Beam r ec e ivi ng windo w

LS-70B:

The indicators are
located on front and
back sides of the
instrument.

LS-70C:

The indicator is
located only on front
side.

LS-70A Laser Sensor LS-70B/70C Laser Sensor

Index

Index

Index

Indicator

Indicator

High pr ecision mode

Normal precision mode

Height alert warning of rotating laser *1

A flash and a buzzer sound signifies that
the height ale rt functio n of rotating laser is
operating.
Laser sens or can detect the signal of
height alert warning of the rotating laser.

Higher than datum position

(Buzzer sound:High frequent beep sound)
Move the sensor downward.

Datum position

(Buzzer sound:Continuous beep sound)

Display (LS-70A/70B)

Detective Range (LS-70A/70B)

LS-70A
±1mm/±.0032ft
(2mm/.0064ft width)

±2mm/±.0064mm
(4mm/.013 ft width)

LS-70B
±1mm/±.0032ft
(2mm/.0064ft width)

±5mm/±.016ft

Replacing Battery (LS-70A/70B)

1

Press the lid in the direction of the arrow
to lift.

2

Take out the battery and
place a new one into the
battery box.

3

Press the li d dow n and

HIGH NORMAL

Specifications

Accuracy

RL-H3A : ±1.9mm(0.074in)/50m(164ft) (±8”) (±8 arc seconds)
RL-H3B : ±2.4mm(0.094in)/50m(164ft) (±10”) (±10 arc seconds)

Auto-leveling range : ±3°
Measuring range (Diameter)

RL-H3A : Approx.2~700m(6.5~2300ft) (with LS-70A/B)

RL-H3B : Approx.2~400m(6.5~1300ft) (with LS-70A/B)
Rotation speeds : 600 (rpm)
Light source : L.D (Visible laser)

LS-70A/B Laser Sensor

Detective range : 50mm (2.0 in)
Detective precision : High precision:±1mm(±0.04 in)

Normal precision:±2mm(±0.08 in)

Detective beam indication : Liquid crystal and buzzer
Power source : DC 9V dry battery
Auto shut-off delay : Approx. 3 0 minutes without beam dete cti on.
Operating temperature : -20°C to +50°C (-4°F to +122°F)

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