RS PRO ISM 400 User manual

Instruction Manual

ISM 400

Solar Power Meter

FREN IT DE ES

READMEMORY

SET POWER / %

HOLD

MODETIME

Solar Power Meter / EN

08/15/16 Version No. 01

Table of Contents

1. INTRODUCTION.............................................................1

2. FEATURES AND APPLICATIONS................................. 2

3. SPECIFICATIONS ..........................................................4

4. PARTS............................................................................5

5. OPERATIONS.................................................................9

5-1 Solar Power Measurement.......................................9

5-2 Using the MAX MIN Recording Mode for Solar

Power Measurement..............................................10

5-3 Solar Power Transmission Measurement...............11

5-4 Integrated Solar Energy Measurement...................12

5-5 Manual Data Memory Write and Read Mode .........13

5-6 Disable Auto Power off Function............................14

5-7 Setting the Calibration Function (CAL)...................14

5-8 Zero Reading Adjustment.......................................15

6. BATTERIES..................................................................16

7. MAINTENANCE............................................................17

Solar Power Meter / EN

1 08/15/16 Version No. 01

1. Introduction

The digital solar power meter is a precision instrument

used to measure solar radiation in the field.

It is fully cosine corrected for the angular incidence of

solar illumination.

The solar power meter is compact, rugged and easy to

operate.

The solar sensitive component used in the meter is a

very stable, long-life silicon photovoltaic detector.

Solar Power Meter / EN

08/15/16 Version No. 01 2

2. Features and Applications

Features :

4 digit LCD reading

Wide spectral range

Excellent long term stability

Cosine corrected

Automatic transmission measurements

Select either power or transmission

Solar energy measurement

Current time setting function

User calibration factor setting function.

End-mount light sensor

Select either W/m

or Btu / (ft

x h) units

Data hold/MAX/MIN/AVG modes

Manual Data Memory and Read function. (99 sets)

Auto power off function

Applications :

The meter can directly measure the solar power radiated from

any direction, angle or position, and can be mounted firmly on

a tripod. The meter can also calculate the total solar energy

against elapsed time or calculate the average solar energy

per hour.

1. Solar Power Panel Industry:

The meter can be used to measure the solar power at the

installation to determine the best location, angle and

direction before fitting the solar panel.

Solar Power Meter / EN

3 08/15/16 Version No. 01

2. Solar Power Research:

The meter can be used for solar power research and

development, as a tool of education and to check the

efficiency of solar cells.

3. Agriculture:

Vegetables, flowers and plants are influenced by sunlight,

especially when cultivated in a greenhouse. The meter can

measure the solar power and help optimize plant growth.

4. Solar transmission measurement:

The meter can measure the solar transmission of glass,

heat insulation papers, parasols, sunshades etc.

For example:

Compare the solar power radiation measured before and

after a sunshade is installed. The measured readings help

determine whether the sunshade material is good at

reducing the solar power transmission.

5. Construction:

The meter can check the solar radiation at any angle and

any time, which is helpful when installing sheltering

systems to control the indoor temperature efficiently and

save energy.

Electricity can be produced by combining the building materials

with the solar power panel. The meter can measure the solar

power radiation to obtain the highest efficiency.

Solar Power Meter / EN

08/15/16 Version No. 01 4

3. Specifications

•

Display：LCD display, 4 digit LCD reading.

•

Measuring Range：2000 W/m

634 Btu / (ft

x h)

•

Resolution：0.1 W/m

0.1 Btu / (ft

x h)

•

Overrange Display：LCD will show “OL” symbol.

•

Spectral Response : 400 to 1000nm

•

Accuracy：Typically within ±10 W/m

[±3 Btu / (ft

x h)] or

±5%, whichever is the greatest in sunlight ;

Additional temperature induced error

±0.38 W/m

/°C [±0.12 Btu

(ft

h)/

°C] from 25°C

•

Angular Accuracy : Cosine corrected < 5% for angles < 60°

•

Drift : < ±2% per year

•

Sampling Rate : 4 times/sec.

•

Photo Detector：One silicon photovoltaic detector.

•

Manual Data Memory Capacity：99 sets.

•

Operating Temperature & Humidity：

0 to 50°C（32 to 122°F）& 0% to 80% RH.

•

Storage Temperature and Humidity：

-10 to 60°C（14 to 140°F）& 0% to 70% RH.

•

Power Source：4 X AAA batteries.

•

Battery Life ( typical ) ：100 hours ( carbon zinc ).

•

Meter Dimensions/Weight：H110

D34

W64mm / 158g

•

Accessories：Instruction manual, batteries, Tripod mounted

screw.

Solar Power Meter / EN

5 08/15/16 Version No. 01

4. Parts

TIME MODE

HOLD

POWER / %SET

MEMORY READ

1. Solar sensor.

2. LCD Display：Display 4 digit displays with a maximum

reading of 9999, the measured values, unit function

symbols, and decimal points etc.

3. TIME key :

Push key to turn on the meter, hold it on for 3

seconds to turn off the meter.

Solar Power Meter / EN

08/15/16 Version No. 01 6

Push TIME key to switch between minute : second

display and day – hour display. Note: this is effective

once the day and time have been set.

(see 5. SET ↵key )

4. HOLD/ MODE key :

HOLD Function : Push this key momentarily to freeze

or unfreeze the displayed readings.

Recording Mode : Push this key for 3 seconds to

launch into MIN /MAX / AVG recording mode.

Push this key to select between maximum (MAX),

minimum (MIN), average (AVG) and current (MAX

MIN AVG) reading. Push this key for 3 seconds to exit.

Disable Auto Power Off : Push and hold this key,

when turning on the meter, the flashing Auto Power off

symbol “÷” will disappear from the LCD.

5. SET ↵key :

Unit Select : Push this key to switch the unit between

W/m

and Btu / (ft

x h).

Real Time Setting Mode : Push this key for 3

seconds to enter the time setting mode.

The display shows “ - ” ( Day-Hour )

Push ,andkeys to set the day-hour

Push again to move to “ : ” (Minutes:Seconds)

Push ,andkeys to set the minutes: seconds

Push ↵key to store the time settings and start the

integrated solar energy measurement.

Solar Power Meter / EN

7 08/15/16 Version No. 01

Calibration Factor Setting Mode : Push and hold this

key, when turning on the meter. The LCD displays

“CAL” and one flashing digit.

Push ,andkeys to set up desired calibration

factor values. Push ↵key to store and exit.

6. POWER / % key :

Power and Transmission % Function Select : Push

this key to select power or transmission (%) function.

Power and Energy Units Select : In the integrated

solar energy mode, push this key to select power or

energy units.

Zero Adjustment : Push and hold this key for 3

seconds, when turning on the meter, the LCD will

show “CAL”. Cover the solar detector to zero the

reading then push ↵key, the LCD will momentarily

display “MIN” to confirm the zero adjustment.

key : In READ mode, push this key to increase the

memory location.

In setting mode, push this key to increase the parameter.

7. MEMORY key :

Memory Function : Push this key momentarily to store a

measuring value.

Clear the stored Data : Push and hold this key, when

turning on the meter. The LCD shows “ CLr”.

Push key to select “ ” or “ ”. to erase the

memory data. Push the ↵key to confirm the selection.

key : In setting mode, push this key to move cursor to

the desired position.

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