Sanwa SE300 Manual de Usario

Sanwa Equipo de medición SE300

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[1] SAFETY PRECAUTIONS

Before use, read the following safety precautions.

Thank you for purchasing Digital Tachometer Model SE300.

Before use, please read this manual thoroughly. After reading it,

keep it together with the product for reference to it when necessary.

The instructions given under symbols “ WARNING” and

“ CAUTION” must be followed to prevent incidents such as an injury.

1-1 Explanation of Warning Symbols

The meaning of the symbols used in this manual is as follows.

: Very important instructions for safe use.

• The warning messages are intended to prevent accidents to

operating personnel such as an injury.

• The caution messages are intended to prevent damage or

malfunction to the instrument.

1-2 Warning Instructions for Safe Use

To prevent human incidents such as an injury, be sure to

observe the following instructions when using the instrument.

1. Before proceeding to measurement, wear optimum working

cap and wear so that your hair and clothes are not entangled

by the rotating object. Be also sure to wear protective eyeglasses.

2. Never touch the rotating object during measurement.

3. Do not use the instrument if the rotating object to be

measured presents any irregularity.

4. If there is any risk of endangerment of the measurement

personnel by a part of the rotating object, secure the safety

of that part by installing an enclosure, etc.

5. Do not service or modify the instrument unless when

replacing the batteries.

6. The instrument should be inspected in the start-up inspection

of every day as well as more than once a year.

WARNING

1. Take care not to drop the instrument from a high altitude

when handling it.

2. Take care not to apply a strong impact to the lens section of

the instrument.

3. Do not open the case of the instrument, touch the internal

circuit boards or parts or modify it in any manner.

CAUTION

[2] APPLICATIONS AND FEATURES

2-1 Applications

This instrument is a noncontact, handheld type digital tachometer

designed for measuring the rotation speeds of rotating objects such

as motors. The instrument can also be used as a contact type tachometer

by connecting the optional ENC-3 Contact Measurement Attachment.

2-2 Features

• Designed in pursuit of the ease of holding to enable stable

measurement.

• Abundant measurement modes.

• Long detection distance in noncontact measurement (max. approx.

50 cm) enabling measurement from a distance from the rotating object.

• Contact measurement capability using the optional ENC-3

Contact Measurement Attachment.

• MAX/MIN display function.

• Auto power OFF function (approx. 2 min., cancellation possible).

• Bright backlight.

•

Fixed installation possible using a commercially available camera tripod.

[3] NAME OF COMPONENT UNITS

3-1 Main Instrument and Accessories

Irradiation/detection lens

Power button

Rotation detection

indicator LED

Front Back

Contact adapter fixing hole

Tripod hole

Battery cover

Function buttons

See section [4]

3-2 Display

Numeric value display Units

: Maximum value : Auto power OFF

: Minimum value : Contact measurement mode

: Data Hold : Low battery alarm

For the units and their combinations, see “5-3 Noncontact

Measurement” and “5-4 Contact Measurement”.

[4] DESCRIPTION OF FUNCTIONS

4-1 Power button:

Press and hold the button for more than one second to turn the

instrument ON.

All of the display and indicators light up and then the instrument

gets ready for measurement.

* If there is a reflective object in front of the lens when the instrument

is turned ON, a numeric value may be displayed. In such a case,

wait for about 2 seconds until the numeric value becomes [0].

(Ready for measurement)

Press the same button for more than one second to turn the

instrument OFF.

The measurement mode setting is saved in memory even after the

instrument has been turned OFF.

4-2 Auto power OFF

When the instrument has not detected reflected light for about 2

minutes after the last operation performed, the instrument turns

OFF automatically. To recover from the auto power OFF status,

turn the instrument ON with the usual procedure.

To cancel the auto power OFF function, press and hold the

button and then hold the Power button for more than one second

to turn the instrument ON. The indicator will not be displayed in

the measurement display.

4-3 Measurement mode selection: button

Each press of the button switches the measurement mode.

Press and hold the button for more than one second. The

indicator appears indicating that the instrument is in the noncontact

measurement mode. To return to the contact measurement mode,

press and hold the button for more than one second again.

* For details on the measurement mode switching of the noncontact

an d co n ta ct m ea s u re m e n t m o d es , s e e “ 5 - 3 No n co n t a ct

Measurement” and “5-4 Contact Measurement”.

4-4 Backlight switching: button

Press the button to switch ON the backlight of the display

panel. Press the button again to switch the backlight OFF.

4-5 Data hold: button

When the button is pressed, the indicator appears on

the display and the numeric value being displayed is held. The

displayed value will not change even when the measurement input

varies. When the button is pressed again, the indicator

disappears and the data hold function is canceled.

* The data hold function is also canceled when the button is

pressed.

4-6 Maximum and minimum value display:

button

Press the button to enter th mode in which the e

instrument saves and stores the maximum and minimum measurement

values from the moment the button is pressed. Each press of the

button switches the displayed values in the following cycle:

• Maximum value display: The instrument displays the maximum

value since the press of the button.

• Minimum value display: The instrument displays the minimum

value since the press of the button.

• Current value display: The instrument displays the current

measurement value while saving the maximum and minimum

values since the press of the button. To view the

maximum or minimum value, it is required to press the

button to the maximum or minimum value display.

To cancel the maximum and minimum value display, press and

hold the button for more than one second.

* The maximum/minimum value display function is also canceled

when the button is pressed.

* The button is disabled during data hold ). The (

maximum and minimum values are not updated during it.

* Maximum and minimum value display function is disabled in the

count measurement mode.

4-7 Count clear: button

Press the button during count measurement (unit: count)

clears the counted value.

4-8 Low battery alarm

When the battery power is consumed and the voltage drops below

about 2.3 V, the indicator appears on the display panel to

solicit early replacement of the batteries.

4-9 Tripod hole

The instrument can be installed on a

commercially available tripod for fixed

use. Screw in the tripod into the

threaded tripod hole on the rear of the

instrument.

• Thread size: 1/4-20 UNC (ISO 1222)

* Use a commercially available tripod.

[5] MEASURING PROCEDURE

5-1 Start-up inspection

Inspect the following points before starting the work of every day.

• Appearance: Check that the appearance of the instrument is not

damaged by falling, etc.

If any irregularity is found, do not use the instrument.

• Scratches and dirt on the lens: Check that the lens is not

clouded.

Accurate measurement is impossible if the lens is dirty or clouded.

Dirt or cloud should be removed by gently wiping with a soft, dry cloth.

• Check that the low battery alarm indicator is not displayed

when the instrument is turned ON. If it is displayed, replace the

batteries with new ones.

* If nothing is displayed on the display panel, the batteries could be

exhausted completely.

5-2 Warning for measurement

1. Do not measure a rotating object from a close distance at

which the instrument could contact the rotating object.

2. Do not attempt to measure an object rotating at a speed

exceeding the measuring range of the instrument.

WARNING

5-3 Noncontact measurement

Be sure to stop the rotating object to be measured before

attaching the reflective sticker on it.

WARNING

1. Before attaching the reflective sticker on the rotating object,

remove the moisture, oil and dust on the sticker attaching

surface completely.

2. If the sticker is to be attached on a shiny plated surface,

accurate measurement would be impossible due to diffuse

reflections. In this case, paint the sticker attaching surface

black or attach a piece of black tape on the surface.

3. Protect the reflective sticker on the rotating object against

penetration of intermittent light such as the light from a

fluorescent lamp. If an effect of extraneous light is expected,

adjust the positioning of the instrument so that it displays [0]

when the rotating object is not rotating before measurement.

4. Accurate measurement may sometimes be impossible under

direct sunlight.

5. Measurement of high-speed rotation may be impossible of

the time the irradiated light passes on the reflective sticker is

short (less than about 0.2 second). In this case, increase the

area of the reflective sticker.

CAUTION

To perform noncontact measurement, attach the reflective sticker

(provided with the instrument) on the rotating object to be

measured as shown below.

Rotating object

Reflective sticker

Irradiation light

1) Turn the instrument ON and set the desired measurement mode.

Each press of the button switches the measurement

mode in the following cycle:

Rotation speed measurement Rotation speed measurement

(revolutions per minute) (revolutions per second)

Rotation count measurement Interval measurement

(counts) (milliseconds)

2) Apply the irradiation light perpendicularly on the reflection

marking on the rotating object so that the rotation detection

indicator LED lights steadily. The distance between the tip of the

detection section of the instrument and the reflective surface on

the rotating object should be between 50 and 500 mm.

3) The instrument displays the measurement result.

SE300

DIGITAL TACHOMETER

01-1408 2040 6006

INSTRUCTION MANUAL

Dempa Bldg, 4-4 Sotokanda 2-Chome

Chiyoda-ku, Tokyo, Japan

− 1 − − 2 − − 3 − − 4 −

5-4 Contact measurement (Using the optional ENC-3)

Do not perform measurement if the contact adapter, contact

maker or rim speed ring of the contact measurement attachment

is damaged, worn or deformed.

2. Be sure to tighten the contact adapter fixing screw tightly.

3. Fit the contact maker or rim speed ring all the way into the

root of the rotary shaft of the contact adapter.

When measuring a high-speed rotating object (8000 rpm or

higher), do not measure it continuously for more than one minute.

5. Do not use a tripod in the contact measurement.

6. Do not use the contact maker or rim speed ring with a high-

temperature rotating object.

WARNING

The contact measurement required the optional ENC-3 Contact

Measurement Attachment.

1) Attach the contact adapter as shown below and secure the fixing

screw tightly. Contact adapter

Fixing screw

2) Select the contact maker or rim speed ring according to the

purpose of measurement and fit it on the tip of the contact

adapter.

Contact maker

Rim speed ring

* Select the rim speed ring when measuring the velocity of a belt

conveyer or similar object (Travel distance per minute in m/min or

travel distance per second in m/s).

3) Turn the instrument ON and select the contact measurement

mode (see “4-3 Measurement mode selection”). Ensure that

the indicator appears on the display panel and set the desired

measurement mode.

Each press of the button switches the measurement

mode in the following cycle:

Rotation speed measurement

Rotation speed measurement Interval measurement

(revolutions per minute) (revolutions per second) (milliseconds)

Rim speed measurement Rim speed measurement Rotation count measurement

(meters per second) (meters per minute) (counts)

When the rim speed ring is attached, select either the [m/min] or

[m/s] mode.

4) Apply the contact maker or rim speed ring on the rotating object.

Special care is required for the method of application.

The contact maker should be applied perpendicularly to the

contact surface toward the axis of the rotating object.

The rim speed ring should be applied in parallel with the

measurement target.

Rotating object

5) The instrument displays the measurement result.

6) Detach the contact adapter by loosening the fixing screw,

position the instrument so that the side with the fixing screw

faces down and pull the adapter obliquely considering the

presence of a lock mechanism.

5-5 Measurement modes

• [rpm] : Revolutions per minute

• [rps] : Revolutions per second

• [ms] : Reflected light detection interval (milliseconds)

• [count] : Rotation count measurement

• [m/min] : Travel distance per minute (meters)

Rotation speed(rpm)xCircumference of rim speed ring 100(mm)

1000

• [m/s] Travel distance per second (meters)

Rotation speed(rps)xCircumference of rim speed ring 100(mm)

1000

[6] MAINTENANCE

1. The information in this section is critical for safety. Manage

the instrument based on full understanding of the information

given in this manual.

2. For safety and accuracy of the instrument, calibrate and

inspect it at least once a year.

WARNING

6-1 Maintenance and Inspection

Be sure to perform the maintenance inspection of the instrument to

use it safely for an extended period and keep the high quality. The

inspection items are as described in “5-1 Start-up inspection”.

6-2 Calibration and Inspection

For more information, please contact Sanwa’s authorized agent /

distribute service provider, listed in our website.

See section 7-3.

6-3 Battery replacement

• Batteries shipped with the instrument

The batteries provided with the instrument are monitoring batteries.

Their service life may be shorter than brand-new batteries.

* Monitoring batteries refer to the batteries for use in checking the

functionality and performance of the product.

1 Using a Phillips screwdriver, loosen the retaining screw of the

battery cover.

2 When the battery cover comes up, remove it.

3 Replace both of the two batteries in the battery holder with new

ones by taking care of the polarity.

4 Attach the battery cover and secure the retaining screw.

6-4 Cleaning and Storage

The instrument is not resistant to volatile solvents and should not

be wiped with lacquer thinner or alcohol. When it gets dirty, wi pe

dirt away with a soft cloth moistened with a small amount of water.

2. The instrument is not resistant to heat and should not be

placed near a source of high heat.

Do not store the instrument in a position subjected to excessive

vibrations or a position presenting the risk of dropping.

Avoid storing the instrument under direct sunlight, high or low

temperature, high humidity or a position with a risk of condensation.

5. Be sure to remove the batteries when the instrument is

expected to be left unused for a long period of time.

CAUTION

6-5 Storage in the carrying case

The instrument can be stored in the carrying case as shown below.

Main instrument

Contact maker (*)

Contact adapter (*)

Test certificate

Reflective stickers

Rim speed ring (*)Batteries

Instruction manual

(*) Optional ENC-3 Contact Measurement Attachment

[7] AFTER-SALE SERVICE

7-1 Warranty and Provision

Sanwa offers comprehensive warranty services to its end-users

and to its product resellers. Under Sanwa's general warranty

policy, each instrument is warranted to be free from defects in

workmanship or material under normal use for the period of one (1)

year from the date of purchase.

This warranty policy is valid within the country of purchase only,

and applied only to the product purchased from Sanwa authorized

agent or distributor.

Sanwa reserves the right to inspect all warranty claims to

determine the extent to which the warranty policy shall apply. This

warranty shall not apply to disposables batteries, or any product or

parts, which have been subject to one of the following causes:

1. A failure due to improper handling or use that deviates from the

instruction manual.

2. A failure due to inadequate repair or modification by people

other than Sanwa service personnel.

3. A failure due to causes not attributable to this product such as

fire, flood and other natural disaster.

4. Non-operation due to a discharged battery.

5. A failure or damage due to transportation, relocation or dropping

after the purchase.

7-2 Repair

Customers are asked to provide the following information when

requesting services:

1. Customer name, address, and contact information

2. Description of problem

3. Description of product configuration

4. Model Number

5. Product Serial Number

6. Proof of Date-of-Purchase

7. Where you purchased the product

Please contact Sanwa authorized agent / distributor / service

provider, listed in our website, in your country with above

information. An instrument sent to Sanwa / agent / distributor

without above information will be returned to the customer.

Note:

1) Prior to requesting repair, please check the following:

Capacity of the built-in battery, polarity of installation and

discontinuity of the test leads.

2) Repair during the warranty period:

The failed meter will be repaired in accordance with the

conditions stipulated in 7-1 Warranty and Provision.

3) Repair after the warranty period has expired:

•

If it is expected that servicing can restore the original functioning of

the instrument, we will service it for a price upon request of the user.

•

The service charge or transport freight could sometimes become higher

than the product price. Please consult us before asking for servicing.

•

The minimum retention period of the servicing performance parts of

this instrument is six (6) years after the discontinuation of production.

This period is equal to the servicing available period. However, the

retention period of a part may be reduced if it becomes unavailable

due to discontinuation of production of the part manufacturer, etc.

4) Precautions when sending the product to be repaired:

To ensure the safety of the product during transportation, place the

product in a box that is larger than the product 5 times or more in

volume and fill cushion materials fully and then clearly mark

“Repair Product Enclosed” on the box surface. The cost of

sending and returning the product shall be borne by the customer.

7-3 SANWA web site

http://www.sanwa-meter.co.jp

E-mail: exp_sales@sanwa-meter.co.jp

[8] SPECIFICATIONS

8-1 General Specifications

Measurement methods Red visible light photoelectric reflection method,

contact method (*)99999

Measurement modes rpm, rps (Revolution speed)

ms (Interval)

count (Rotation count)

m/min, m/s (Rim speed) (*)

Reflection detection

distance Approx. 50 to 500 mm

Display panel LCD, 5 digits, backlit

Display updating intervals Approx. 1

sec.

(rpm, rps, cycle, m/min, m/s modes)

Approx. 0.1 sec. (count mode)

Operating environmental

conditions Altitude ≤ 2000 m, indoor, pollution degree II

Operating temperature/

humidity range 5 °C to 40 °C, ≤80 %RH (without condensation)

Storage temperature/

humidity range

-10 °C to +40 °C, ≤80 %RH (without condensation)

(The batteries should be removed before long-

term storage.)

Auto power OFF The instrument turns OFF in about 2 minutes

after the last operation or last reflected light

detection.

Over-scale display “OL” is displayed on the display panel.

Low battery alarm When the battery power is consumed and the

voltage drops below about 2.3 V, the

indicator appears on the display panel

Power supply “AA”-size dry cell battery (R6P/LR6) x 2

Battery life Approx. 28 hours (alkaline batteries, backlight

not used)

Dimensions

210( ) x 60( ) x 50( ) mm (Main instrument only)H W D

298(H) x 60(W) x 50(D) mm (Contact adapter +

Contact maker)

Weight (incl. batteries) Approx. 218 g(Main instrument only),

Approx. 278 g(Contact adapter + Contact maker )

Accessories Instruction Manual, “AA”-size dry cell battery

(R6P/LR6) x 2, carrying case, reflective stickers

(x 50)

8-2 Optional accessories

ENC-3 Contact Measurement Attachment (Contact adapter, contact

maker and rim speed ring)

SE-A30 Contact maker

SE-A31 Rim speed ring, circumference 100 mm

SE-T3 Reflective stickers (x 100 = 50-sticker sheet x 2)

C-SE300 Carrying case

8-3 Measuring ranges and accuracies

Accuracy guaranteed temperature/humidity ranges:23±5 °C, no more

than 80 %RH, (without condensation.)

rdg: Reading. dgt: Lowest digits.

Measurement ranges

Measurement mode Noncontact

measurement

Contact

measurement

rpm 30.0 – 99999 30.0 – 19999

rps 0.50 – 1600.0 0.50 – 333.00

ms 0.600 – 1999.0 3.000 – 1999.0

count 0 – 99999 0 – 99999

m/min – 3.0 – 1999.0

m/s – 0.05 – 33.00

(*) When the optional ENC-3 is used

Accuracy ±(0.03 % rdg + 1dgt)

* Accuracy in noncontact measurement. It does not include errors

that may be caused by extraneous light or shake of the instrument.

In the contact measurement, the accuracies and slipping movements of

the contact maker and rim speed ring are added to this figure above.

In the rim speed measurement, ±0.5 % rdg is added to the figure above.

Accuracy calculation method

Example) Noncontact revolution speed measurement (rpm)

Displayed value: 10000 rpm

Accuracy: Error: ±(10000 rpm x 0.03 % + 1 dgt) = ±4 rpm

True value: Within the range of 10000 rpm ±4 rpm (9996 – 10004 rpm)

* AT 10000 rpm, 1 dgt corresponds to 1 rpm.

For the purpose of improvement, the design and specifications of the

products described above may be subject to change without notice.

(*) When the optional ENC-3 is used

− 5 − − 6 − − 7 − − 8 −

Especificaciones del producto

Marca:	Sanwa
Categoría:	Equipo de medición
Modelo:	SE300

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