Dwyer Instruments SLR-01 User manual

Bulletin TE- LR-01

Model LR-01 Handheld olar Power Meter measures the solar

energy to determine the appropriate position or location for solar panels.

It can be used to test the performance of solar receivers and solar

window treatments. Using the end-mount light sensor, the meter is able

to read and display in units of W/m2and BTU/(ft2*h). The large numbers

and high contrast of the LCD make it easy to read the measurement,

even in bright areas. Applications include solar farms, office buildings that

utilize energy harvesting sensors, and telemetry systems.

PRODUCT OVERVIEW

A. Solar Light Sensor E. Data Hold Button

B. LCD Screen F. Power Button

C. ax/ in Button G. Auto Range Button

D. Unit Switch Button H. Battery Cover

DWYER IN TRUMENT , INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U. .A. Fax: 219/872-9057 e-mail: [email protected]

PECIFICATION :

Range: 0 to 1999 W/m2; 0 to 634 BTU/(ft2*h).

Accuracy: ±10 W/m2; ±3 BTU/(ft2*h) or ±5%, whichever is greater;

Additional temperature induced error above 77°F (25°C) ±0.38 W/m2,

±0.12 BTU/(ft2*h) per °C.

Display: 3-1/2 digit LCD.

Resolution: 0.1 W/m2; 0.1 BTU/(ft2*h).

Temperature Limits:

Operating: 41 to 104°F (5 to 40°C);

Storage: 14 to 140°F (-10 to 60°C).

Power Requirements: 9 V carbon zinc battery, included, user

replaceable.

Battery Life: Approx. 100 hr.

Weight: 20 oz (567 g).

Agency Approvals: CE, RoHS.

pecifications - Installation and Operating Instructions

Model LR-01 Handheld olar Power Meter

2-1/8

[54.88]

6-1/4

[158.75]

1-3/8

[36.12]

Solar Power Meter

SLR-01

D-H

M-H

W/B

Solar Power Meter

SLR-01

Figure 1 Figure 2

MIN D-H MAX

W/m2

BTU/(ft *h)

12 34

1. inimum Value 5. Numeral Screen

2. Data Hold 6. Decimal Point

3. aximum Value 7. W/m2

4. Low Battery Indicator 8. BTU/(ft2*h)

DWYER IN TRUMENT , INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U. .A. Fax: 219/872-9057 e-mail: [email protected]

OPERATION

1. Press the power button to turn the power on.

2. Place the light sensor at the spot where the meter can test the source

of light. After the reading becomes stable, the result will then be

displayed on the LCD.

3. After testing, press the power button again to turn the power off.

Note: When the meter is not in use, do not leave in direct sunlight to

prevent damage to the sensor. If the meter will not be in use for an

extended period of time, remove the battery before storing.

Changing Unit

To change the unit, press the Unit Switch button to toggle between the

units.

Data Hold

To keep the reading value on the LCD permanently after it has been

recorded, press the Data Hold button. The locked screen can be

released by pressing the Data Hold button again.

Maximum/Minimum

To view the maximum or minimum recorded values, press the ax/ in

button. The maximum value will be shown on the first press of the button

and the minimum value will be shown on the second press. Press and

hold the button to return to recording mode.

Auto Ranging

To change the placement of the decimal point, press the Auto Range

button. This will cause the meter to change the decimal point position

based on the levels of light it is reading.

Note: In the case of the meter being overloaded and displaying “OL” on

the LCD, press the Auto Range button and the acquired value will be

shown on the display.

BATTERY REPLACEMENT

When the battery symbol appears on the LCD, the battery needs to be

replaced. To change the battery, remove the cover to the battery

compartment and remove the battery currently in the instrument. Place

the new battery in and replace the cover.

MAINTENANCE/REPAIR

Upon final installation of the odel SLR-01, no routine maintenance is

required. The odel SLR-01 is not field serviceable and should be

returned if repair is needed. Field repair should not be attempted and

may void warranty.

WARRANTY/RETURN

Refer to “Terms and Conditions of Sale” in our catalog and on our

website. Contact customer service to receive a Return Goods

Authorization number before shipping the product back for repair. Be

sure to include a brief description of the problem plus any additional

application notes.

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