Mini Environmental Quality Meter 850070 Instruction Manual SPER SCIENTIFIC LTD.
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.
Fig 1 7 12 8 9 11 2 3 5 6 1 4 10 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.
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).
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 temperature 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.
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 measurement 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".
IV. SPECIFICATIONS Res. Accuracy ±1.2ºC ±2.5ºF ±(1% + 1ºC) ±(1% + 2ºF) ±6% 30 ~ 60RH otherwise ±8% ±(3% + 2d) ±(3% + 20ft/min) ±(5% + 4d) -7- Unit of Measure ºC ambient ºF ambient 0.1 1 0.1 Dimensions ºC Type K Range 0 ~ 50 32 ~122 -100 ~ 1300 -148 ~ 2372 10 ~ 95% 0.4 ~ 25.0 1.4 ~ 90.0 0.9 ~ 55.9 0.8 ~ 48.6 80 ~ 4930 0 ~ 20,000 0 ~ 2,000 Power Current Weight ºF Type K RH Airspeed m/s Airspeed km/h Airspeed mile/h Airspeed knots Airspeed ft/min Lux Foot Candle Power Supply 8 mm LCD display Max.
Precautions: When not in use, store the meter in its closed pouch to preserve light sensor accuracy. FIVE YEAR WARRANTY Sper Scientific warrants this product against defects in materials and workmanship 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.