Sper scientific 850070 Manuale utente

Mini Environmental

Quality Meter

850070

Instruction Manual

SPER

SCIENTIFIC LTD.

- 2 -

TABLE OF CONTENTS

I. INTRODUCTION.............................. 2

II. PANEL DESCRIPTION.................... 3

III. OPERATING INSTRUCTIONS ........ 4

A. MEASUREMENT PROCEDURES... 4

1. Air Velocity Measurement ............. 4

2. Thermocouple Measurement........ 4

3. RH & Temperature Measurement. 5

4. Light Measurement ....................... 5

B. ADDITIONAL FUNCTIONS.............. 5

1. Data Hold ...................................... 5

2. Max/Min ........................................ 6

3. Automatic Shut Off........................ 6

4. Overload Indicator......................... 6

5. Battery Replacement .................... 6

IV. SPECIFICATIONS ........................... 7

V. PRECAUTIONS ............................... 8

VI. WARRANTY..................................... 8

I. INTRODUCTION

For environmental testing anywhere.

Combines a light meter, humidity

meter, thermometer & anemometer

into a single compact unit. Features

touch-tone buttons, max-min & hold

functions. Comes ready to use with

wrist strap, instructions, 9V battery,

& soft carrying case.

- 3-

II PANEL DESCRIPTION

1. POWER button

2. HOLD button

3. MAX/MIN button

4. UNIT/ZERO button

5. °C/°F, LUX/FT-CD button

6. FUNCTION button

7. Air Flow Sensor

8. Thermocouple Input Socket

9. RH Sensor

10. Light Sensor

11. LCD Display

12. Wrist Strap

Fig 1

- 4 -

III. OPERATING INSTRUCTIONS.

A. MEASUREMENT PROCEDURES

Turn on the instrument by pressing the

POWER button (fig 1-1). See page 3 for

button locations. The full display appears,

then counts down to 00000. The meter

defaults to the last used unit of measure.

1. Air Velocity Measurement

•Press the FUNCTION button (fig 1-6) to

select the Anemometer function.

•Press the UNIT/ZERO button (fig 1-4)

to select the unit of measure: (knot, Km/

h, m/S, FPM, mph).

•Press the °C/°F button (fig 1-5) to

select Centigrade or Fahrenheit.

•Aim the AIR FLOW SENSOR (fig 1-7)

toward the source to be measured.

•Air velocity, temperature and the unit of

measure are displayed on the LCD.

2. Thermocouple Measurement

•Plug a Type K thermocouple probe

(not included) in the THERMOCOUPLE

INPUT SOCKET, making sure that the

that the polarity is correct.

•Press the FUNCTION button (fig 1-6) to

select the Thermocouple function

•Press the °C/°F button (fig 1-5) to select

Centigrade or Fahrenheit.

•Make contact between the probe and

the object to be measured.

•The temperature and the unit of meas-

ure are displayed on the LCD.

•Temperature differences between the

probe and the meter can cause inaccu-

rate results. If applicable, allow a few

minutes for the probe and meter to

adjust to the ambient temperature.

- 5-

3. RH Measurement & Temperature

•Press the FUNCTION button (fig 1-6) to

select the RH function.

•Press the °C/°F button (fig 1-5) to select

Centigrade or Fahrenheit.

•The RH results and ambient tempera-

ture are displayed on the LCD.

•When environmental changes occur,

such as moving the meter to a new

location, allow a few minutes for the

meter to stabilize.

4. Light Measurement

•Press the FUNCTION button (fig 1-6) to

select the Light function. The reading

appears inverted on the LCD.

•Press the LUX/FT-CD button (fig 1-5) to

select the unit of measure

•Point the LIGHT SENSOR (fig 1-10),

toward the light source to be measured.

•The results are shown on the LCD.

•The overload indicator ("- - - - ") is

displayed if the range is exceeded.

•The zero-point may drift because of

climate changes or when the battery

becomes weak. To reset the zero-

point, block out any light source by

covering the LIGHT SENSOR, then

press the UNIT/ZERO button (fig 1-4) .

B. ADDITIONAL FUNCTIONS

1. Data Hold: During the measuring

procedure, press the HOLD button (fig

1-2) to freeze the measured value. The

LCD will also display the word: "HOLD."

To exit, press the HOLD button again.

- 6 -

2. Maximum / Minimum (Record)

•Press the MAX/MIN button (fig 1-3)

once. "REC" appears on the LCD to

indicate that the meter is in the Record

mode.

•Press the MAX/MIN button again.

"REC", "MAX" and the maximum

measurement appear on the LCD

•Press the MAX/MIN button again.

"REC," "MIN" and the minimum meas-

urement appear on the LCD.

•To delete the recorded maximum and

minimum values, press the HOLD

button (fig 1-2) once. When released,

the LCD displays only "REC".

•To exit this function, press and hold the

MAX/MIN button for at least 2 seconds,

until the display reverts to the current

reading.

3. Automatic Shut-Off

The instrument has an automatic shut off

function in order to prolong battery life.

After approximately 10 minutes without

activity (no buttons pushed), the meter will

automatically shut off. To disable this

feature, press the MAX/MIN button.(fig 1-3).

"REC" will appear on the LCD.

4. Overload Indicator

When the measurement is out of range,

"- - - -" appears on the display.

5. Battery Replacement

Replace the battery when the low

battery icon is displayed in the left

corner of LCD. In-spec measurements may

be made for several hours after the low

battery icon appears.

- 7-

IV. SPECIFICATIONS

Display 8 mm LCD display

Operating Humidity Max. 80% RH

Operating Temp. 0~50°C (32~122°F)

Power Supply 006p DC 9V battery

(heavy duty type)

Power Current Approx. DC 6.2 mA

Weight 5½ oz (160 g)

Dimensions 6” x 2½” x 1”

(150 x 65 x 30 mm.

Unit of Measure Range Res. Accuracy

ºC ambient 0 ~ 50

0.1

±1.2ºC

ºF ambient 32 ~122 ±2.5ºF

ºC Type K -100 ~

1300 ±(1% + 1ºC)

ºF Type K -148 ~

2372 ±(1% + 2ºF)

RH 10 ~ 95% ±6% 30 ~ 60RH otherwise ±8%

Airspeed m/s 0.4 ~ 25.0

±(3% + 2d)

Airspeed km/h 1.4 ~ 90.0

Airspeed mile/h 0.9 ~ 55.9

Airspeed knots 0.8 ~ 48.6

Airspeed ft/min 80 ~ 4930 1±(3% + 20ft/min)

Lux 0 ~ 20,000 ±(5% + 4d)

Foot Candle 0 ~ 2,000 0.1

- 8 -

FIVE YEAR WARRANTY

Sper Scientific warrants this product

against defects in materials and workman-

ship for a period of five years from the date

of purchase, and agrees to repair or

replace any defective unit without charge. If

your model has since been discontinued,

an equivalent Sper Scientific product will be

substituted if available. This warranty does

not cover damage resulting from accident,

misuse, or abuse of the product. In order to

obtain warranty service, simply ship the unit

postage prepaid to:

SPER SCIENTIFIC LTD.

7720 East Redfield, Suite 7

Scottsdale, Arizona 85260

(480) 948-4448

www.sperscientific.com

Please Note: The defective unit must be

accompanied by a description of the problem

and your return address.

Precautions: When not in use, store the meter

in its closed pouch to preserve light sensor

accuracy.

Rev. 04/21/04

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