Sper-scientific 850026 Mini Environmental Quality Meter Manual do Utilizador

Mini Environmental Quality Meter8500267720 E. Redeld Rd. Suite #7, Scottsdale, AZ 85260 Tel: (480) 948-4448 | Fax: (480) 967-8736 Web: www.spersci

10 11The selection scales for all modes are:Measurement ScalesAir Velocitym/s, Km/h, mph, knot, FPMTemp. (Air velocity) °C/°FAir ow CMM, CFMWind chi

10 11Air ow measurement1. With the Power on, select Air ow mode (refer to page 7)2. Set the measurement area dimension: Press Hold once, the displ

12 13Hold FunctionPressing Hold will freeze the current reading on the display. The HOLD symbol will be displayed at the top of the display window.To

13a. Press REC once and the Max symbol will appear on the display along with the current maximum value.b. Press REC again, the MIN symbol will appea

14 15pressed for approximately 10 minutes.To disable the Auto Power Off function, press REC and enter the record function (page 12). The Auto power o

15GENERAL SPECIFICATIONSDisplay 8 mm LCD displayMeasurement 1. Anemometer (Air velocity)/Temp2. Humidity/Temp3. CMM, CFM4. Dew point5. Wet bulb6. W

16 17ELECTRICAL 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

17Humidity/TemperatureUnit Range Res. Acc.%RH10 to 95 %RH0.1 % RH< 70 %RH: ±4 %RH≥70 %RH:± (4% rdg +1.2 %RH)Temp.0~50°C 0.1°C ± 1.2°C32~122°F 0.1°F

18 19Dew point Temp.Unit Range Res. Remark°C -25.3~49.0° 0.1°* Calculate from the humidity/ Temp. value°F -13.5~120.0° 0.1°Wet bulb Temp.Unit Range Re

19Heat 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°Cau

2 3Mini Environmental Quality Meter 850026Copyright ©2012 by Sper ScienticALL RIGHTS RESERVEDPrinted in the USAThe contents of this manual may not

20WARRANTYSper 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 850026 combines 7 environmental test functions into a single compact unit. Features include t

4 5FEATURES• 7 professional environmental instruments in 1• Lightweight, ergonomic design• Wristlet design provides extra protection to the instrum

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 9With the meter on, press HOLD continuously and the Display will show the following texts in sequence:Display Mode textAn = Anemometer (Air veloc

9Anemometer (Air Velocity)/Temp MeasurementUnit SelectionREC button = Enter button1. With the power on, press REC for >3 seconds, the display wil