RH Anemometer Pen 850021 Instruction Manual SPER SCIENTIFIC
TABLE OF CONTENTS Features …………………………………………... 3 Front Panel Description ………………………….. 4 Measurement Procedures ….……………………. 5-9 Specifications ………………………………..……. 10-12 Battery Replacement …………………………..
FEATURES Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) 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 probes, batteries, or damage resulting from accident, misuse, or abuse of the product.
FRONT PANEL DESCRIPTION Figure 1 1 Vane 2 Humidity/Temp Sensor BATTERY REPLACEMENT 1. Replace the batteries when the low battery icon X is displayed in the upper left corner of the LCD. Use 4 new AAA alkaline batteries. 2. To replace the batteries, open the Battery Cover by turning counter-clockwise. 3. Ensure the Battery Cover is secured after replacing the batteries.
SPECIFICATIONS MEASURING PROCEDURE Humidity & Dew Point Mode Selection Humidity 1. Turn on the meter by pressing the Power button To turn the meter off, press the Power button again. Range 10% to 95% R.H, Resolution 0.1 % R.H. Accuracy ≥ 70% RH ± (3% reading + 1% RH) < 70% RH - 3% RH ± 3% RH 2. The meter has three modes that can be selected: a. Humidity / Temperature b. Humidity / Dew Point c. Anemometer / Temperature Dew point * ºC ºF Range -25.3 ºC to 48.9 ºC Resolution 0.
MEASURING PROCEDURE SPECIFICATIONS Unit Selection Electrical Specifications 1. Turn on the meter by pressing the Power button. Anemometer (Air velocity) 2. Press the Unit button for at least 2 seconds and both the upper and lower values will start to flash (see below). Use the ▲ button to switch the upper display unit, and use the button to switch the lower display unit. Then Measure- Range ment press the button to accept the selected units.* Value Flashing %RH 60.9 25.
SPECIFICATIONS MEASURING PROCEDURE General Specifications Anemometer Measurement Display LCD size: 28mm x 19mm 1. Turn on the meter by pressing the Power button. Sensor Structure Anemometer—Vane probe with low friction ball bearing design Humidity—Capacitance humidity sensor, semiconductor Temperature—Semiconductor 2. Set the mode to display: Anemometer / Temperature: Upper display shows air velocity value and the lower display shows temperature. Sampling Time Approx.
MEASURING PROCEDURE Data Hold 1. To hold the current reading on the LCD, press the Hold button. The LCD will show the HOLD symbol. MEASURING PROCEDURE When the LCD display shows REC MAX (or REC MIN), press the Hold button to delete the stored max (or min) value. Auto Power Off Management 2. Press the Hold button again to resume active measurement. Data Record (Maximum & Minimum Reading) 1. The data record function records the maximum and minimum readings.
