TechGrow HS
Contents
1. Press HOLD to read the measurements The HOLD icon will appear on the left top on the LCD display All displayed measurements will maintain unchanged Press HOLD again to deactivate this function 493 BACKLIGHT Press MODE for longer than 2 seconds to activate deactivate the backlight function ALARM The HS 1 also features an audible alarm that gives warnings when the CO2 value exceeds the maximum see P1 0 for Alarm setup The HS 1 will beep 80 db when the CO2 value exceeds the set value and can be switched off by pressing a random key except SET Restart the HS 1 if the beeping does not stop AUTO POWER OFF The HS 1 will be deactivated automatically after 20 minutes of no activity To disable this function press SET and HOLD simultaneously for 2 seconds to reactivate the HS 1 until n appears on the display NOTE the Auto sleep function will be stopped during the calibration mode SETUP Press SET in normal mode for more than 1 second to access the setup mode To exit the setup mode press CAL Esc in P1 0 or P3 0 and the HS 1 will return to normal mode P1 0 CO ALARM In the setup mode P1 0 and AL are shown on the LCD display m 1000 Po a Ph Press MODE to increase the value or press DP WBT te decrease value With every push on these buttons the alarm will be increased or decreased with 100 ppm from 100 to 9900 ppm When the desired alarm value is set2. calibration is finished and returns to normal mode To stop the calibration you can deactivate the HS 1 at any moment NOTE make sure that the batteries are full during calibration to prevent interruption or failed calibration 400 RC 5e TechGrow HS 1 USER MANUAL PROBLEM SOLVING The meter does not activate Press SET for longer than 3 seconds and try to reactivate the HS 1 Also check if the bat teries are placed correctly Slow reaction Check if the air ducts on the back of the meter are not blocked Errors E01 CO2 sensor is damaged E02 The value is under range probably due to incorrect calibration EO3 The value is above range E07 Too low voltage to measure CO2 Replace batteries E17 Retry calibration E31 Temperature sensor is damaged or defective Notes tlantarinieh Dort pp j Matas are y accurate CO Sensor allest ofits kind BACKUP TOT Up LO 24 nors Works with any 12 Volt car batte istallet tee gi les
3. WWW TECHGROW NL E TechGrow C HS 1 I Fortas e CO METER gt Z C gt Bm TechGrow HS 1 USER MANUAL CONGRATULATIONS You have just purchased the TechGrow HS 1 Portable CO2 meter The HS 1 is ideal for measuring the CO2 value and the temperature in any type of area The TechGrow HS 1 Portable CO2 Meter uses NDIR Non Dispersive Infra Red technology for high reliability readings SPECIAL FEATURES Useable in any room e Extremely accurate CO2 sensor produced by SenseAir Sweden the leading manufacturer in CO2 measurement e The HS 1 measures the CO2 value and temperature e Takes a measurement every second e Backlight for working in dark areas e CO2 warning alarm Calibration function for CO2 Powered by 4 x AA batteries e CO2 range 0 10000 ppm Temperature range 10 to 60 C e Accuracy CO2 50 ppm or 5 of the measurement 0 2000 e Size 60x 170 x 55 mm Includes batteries and instruction manual e Includes convenient storage case POWER SUPPLY The HS 1 Portable CO2 meter is powered by 4 x AA batteries Install the batteries into the battery compartment on the back side and make sure that the batteries make contact correctly When the battery voltage is low LOB will appear on the LCD display and the HS 1 will beep to indicate that CO2 measurements have failed Therefore measurements will not be displayed Press any key except SE T to stop the beepi
4. ng Replace batteries heen Hg Lob Lob ed Fig 1 Er 1 LCD DISPLAY TAASTEL CO Pm SYMBOLS HOLD Shows the last CO2 value and temperature MIN MAX Minimum Maximum measurements LOB Low battery indicator AIR Temperature E C F Celsius Fahrenheit KEYPAD SET On Off button enters set up menu CAL Esc Exit set up menu CAL Esc and MODE Enters CO2 calibration by pushing these buttons simultaneously HOLD Freezes current measurement switches HOLD function on off MODE Activates backlight selects unit or increases or decreases value in setup DP WBT Selects Air DP WBT temperature display Mnx AV Activates MIN MAX function Saves and resets MIN MAX settings Also shows MIN MAX values OPERATION Power ON OFF Press SET to activate or deactivate the HS 1 When the meter is activated you will hear a short beep Then the meter runs a 30 second countdown to warm up After warm up the normal mode with the current CO2 value and temperature will appear on the display TechGrow HS 1 USER MANUAL MEASURING CO The HS 1 will start measuring after countdown and takes a measurement every second NOTE Keep sufficient distance between faces and the meter because exhaled breath affects the CO2 value The HS 1 measurements are very accurately between 0 2500ppm From 2500ppm and up the measurements of the CO2 sensor will be less accurate 88 418 uch Mi aj Fun 5 DATA HOLD
5. press Mnx AV to save or press CAL Esc to return to P1 0 saving all settings P3 0 TEMPERATURE SCALE C OR F Press MODE or DP WBT in P1 0 to enter P3 0 to adjust the temperature scale Press Mnx AV in front of P3 1 with the blinking C bottom left of the LCD display to switch between C or F press MODE or DP WBT Next press Mnx AV to save or press CAL Esc to return to P3 0 without saving any settings _ Pdo P3 Fig 13 CO2 CALIBRATION The meter is calibrated at 400ppm at the factory Only calibrate the sensor if you suspect a deviation Our experience has shown that the SenseAir sensors that we use can function for two years without calibration easily The sensors are calibrated at the factory with the highest accuracy but it may occur that after one year the sensor shows a deviation and has to be calibrated again WARNING Do NOT calibrate the meter in an area of which the CO2 value is unknown Otherwise the meter will be calibrated automatically as 400ppm which will lead to inaccurate measurements It is ad vised to conduct a manual calibration in outdoor air when the weather is sunny Place the HS 1 on the calibration site Activate the HS 1 and press CAL Esc and MODE simultaneously to enter the CO2 calibration menu 400ppm and CAL are now blinking on the LCD display while the calibration is busy Wait for 5 minutes until the blinking stops and the
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