Sper-scientific 850027 Mini Environmental Quality Meter Manuel d'utilisateur Page 1

Mini Environmental Quality Meter8500277720 E. Redeld Rd. Suite #7, Scottsdale, AZ 85260 Tel: (480) 948-4448 | Fax: (480) 967-8736 Web: www.spersci

10 11you may only change the temperature scale setting. (°C or °F)The selection scales for all modes are:Measurement ScalesAir Velocitym/s, Km/h, mp

10 11Air ow measurement1. With the Power on, select Air ow mode (refer to page 8)2. Set the measurement area dimension: Press HOLD once, the displ

12 13Note…For the most accurate reading for the humidity/Temp., Dew point Temp., Wet bulb Temp., Heat index measurement, do not touch or block the hum

13page 8, display will show bAr text), now the meter is ready for actual air pressure measurement (absolute air pressure value).Note...Actual air pres

14 15Use HOLD and to adjust the location altitude value. When the location altitude value is set, pressing REC will show the sea level barometric pr

15Altitude measurementNote...The higher the location altitude, in comparison to sea level, the lower the barometric pressure.To measure your altitude

16 17Using HOLD and adjust the altitude value. When the desired start location altitude value is set, press REC to save the setting value as the def

17Method 2: Power on the meter and under the altitude function, press HOLD once, the display will show the Hold indicator. Press REC continuously unt

18 19Optional Pt 1000 Temp. measurement1. Insert the plug of the optional Pt 1000 Temp. probe 850027P into the Pt 1000 probe socket (see page 6)2.

19REC (Record) functionThe REC (Record) function will record and display the maximum and minimum readings. 1. Start the Record function by pressing

2 3Mini Environmental Quality Meter 850027Copyright ©2012 by Sper ScienticALL RIGHTS RESERVEDPrinted in the USAThe contents of this manual may not

20 21c. Clear the recorded MAX or MIN value from the display by pressing HOLD once. The MAX/MIN symbols and their readings, will disappear from the d

21REPLACE BATTERY1. When the LCD display shows symbol, it is time to replace the battery. (Measurements may still be made for several hours after

22 23GENERAL SPECIFICATIONSDisplay 8 mm LCD displayMeasurement 1. Anemometer (Air velocity)/Temp2. Humidity/Temp3. Light4. Barometer5. CFM, CMM6. D

23ELECTRICAL SPECIFICATIONS(±23 ±5°C)Air VelocityUnit Range Res. Acc.ft/min 80 ~ 3927 1≤20 m/s: ±3% F.S.>20 m/s: ±4% F.S.m/s 0.4 ~ 20.0 0.1km/h 1.4

24 25ELECTRICAL SPECIFICATIONS(±23 ±5°C)Humidity/TemperatureUnit Range Res. Acc.%RH10 to 95 %RH0.1 % RH< 70 %RH: ±4 %RH≥70 %RH:± (4% rdg +1.2 %RH)T

25Light *auto rangeUnit Range Res. Acc.Lux0 ~ 2,200 Lux 1 Lux±5% rdg±8% rdg1,800 ~ 20,000 Lux10 LuxFoot- candle0 ~ 204.0 FC 0.1 FC170 ~ 1,860 FC 1 FC

26 27AlititudeUnit Range Res. Acc.m -2000 ~ 9000m 1 m ± 15 mft -6000 ~ 30000 ft 1 ft ± 50 ftELECTRICAL SPECIFICATIONS(±23 ±5°C)Barometric Pressure (Ba

27Heat indexUnit Range Res. Accuracy°C 0 ~ 100° 0.1° ± 2.0°C°F 32 ~ 212° 0.1° ± 3.6°FEffects of the heat index (shade values)°C °F Notes27~ 32°80~ 90

28WARRANTYSper Scientic warrants this product against defects in materials and workmanship for a period of ve (5) years from the date of purchase, a

3TABLE OF CONTENTS1. INTRODUCTION . . . . . 42. MATERIALS SUPPLIED. . 43. FEATURES . . . . . . . . 54. FRONT PANEL DESCRIPTION . . . . . . 65. OPE

4 5INTRODUCTIONFor environmental testing anywhere. Model 850027 combines 11 environmental test functions into a single compact unit. Features include

4 5FEATURES• 11 professional environmental instruments in 1• Lightweight, ergonomic design• Wristlet design provides extra protection to the instru

6 7FRONT PANEL DESCRIPTION3. FRONT PANEL DESCRIPTIONFig. 13-1 Hold button3-2 Button ( Power button )3-3 REC nutton3-4 LCD display3-5 Wristlet3-6

7OPERATING INSTRUCTIONSPower on/off Button = Power Button1. Power on: Press once to turn meter on.2. Power off: Press for > 3 seconds to turn

8 9h. Lighti. Barometric pressurej. Altitudek. Pt 1000 Temp. (optional)With the meter on, press HOLD continuously and the Display will show the follow

9and the meter will set this mode as the default.Anemometer (Air Velocity)/Temp MeasurementUnit SelectionREC button = Enter button1. With the power o