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All manuals and user guides at all-guides.com USER'S GUIDE ® Vaisala HUMICAP Hand-Held Humidity and Temperature Meter HM70 M210297EN-D...
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The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user. All legally binding commitments and agreements are included exclusively in the applicable supply contract or Conditions of...
Safety..................5 Recycling .................. 5 Warranty ..................6 CHAPTER 2 PRODUCT DESCRIPTION ................7 ® Vaisala HUMICAP Hand-Held Temperature and Humidity Meter HM70 ................7 Display Parameters ..............7 CHAPTER 3 PREPARATIONS BEFORE USE..............9 Installing and Recharging of Batteries ........9 Turning ON the Device............
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All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Button Click and Backlight on Button Press ......22 Setting Date and Time............22 Device Information ..............23 Reverting Factory Settings ..........23 CHAPTER 7 RECORDING DATA ..................25 Recording ................25 Stopping Recording ...............26 Viewing Recorded Data............26 Checking Memory Status............27 Deleting All Recorded Files ...........27 MI70 Link Program for Transferring Recorded...
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ERROR MESSAGES..................63 CHAPTER 14 MAINTENANCE ................... 65 Changing the Filter..............65 Changing the Battery Pack............ 65 Vaisala Service Centers............66 CHAPTER 15 TECHNICAL SPECIFICATIONS..............67 Probes HMP75, HMP76 and HMP77........67 Measured Variables ............67 Relative Humidity ............67 Temperature..............
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Accuracy of Wet Bulb Temperature °C ......70 Accuracy of Absolute Humidity g/m³ ......70 General ..................70 MI70 Indicator................71 Indicator General ..............71 Battery Pack ..............72 General about Vaisala Hand-Held Humidity and Temperature Meter HM70 ..........72 Electromagnetic Compatibility ........72 Accessories................73 Dimensions in mm (inches)...........74 4 ____________________________________________________________________ M210297EN-D...
All manuals and user guides at all-guides.com Chapter 1 _________________________________________________________ General Information CHAPTER 1 GENERAL INFORMATION Safety Throughout the manual, important safety considerations are highlighted as follows: WARNING Warning alerts you to a potential hazard. If you do not read and follow instructions very carefully at this point, there is a risk of injury or even death.
The allegedly defective Product or part shall, liability shall under no circumstances exceed the should Vaisala so require, be sent to the works of invoice price of any Product for which a warranty Vaisala or to such other place as Vaisala may...
HMP75/HMP76/HMP77 probe. HM70 Hand-held humidity meter ® incorporates Vaisala's advanced HUMICAP technology which enables reliable and high performance humidity measurement. Vaisala HM70 is delivered with a factory calibration certificate. Display Parameters RH relative humidity (% RH) T temperature (°C/°F) : dewpoint/frostpoint temperature (°C/°F)
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All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ MI70 indicator Recharger connector Connector ports for probes and cables Calibration button under the screw Power ON/OFF Probe HMP75/76/77 Probe filter Port II Port I HMP76 PROBE HMP75 PROBE HMP77 PROBE Rugged probe with a Basic probe for relative humidity Cable probe for industrial...
All manuals and user guides at all-guides.com Chapter 3 _____________________________________________________ Preparations Before Use CHAPTER 3 PREPARATIONS BEFORE USE Installing and Recharging of Batteries If you are using alkaline batteries, unscrew the back plate of the indicator and insert the alkalines. If HM70 is ordered with rechargeable battery pack, it is already in place as shipped from the factory.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Turning ON the Device Connect the probe to the either of the base connectors of the indicator. Press button. Select the language by using buttons. Confirm by pressing . You can select the language later as well, see SELECT page 20.
All manuals and user guides at all-guides.com Chapter 4 _______________________________________________________ Taking Measurements CHAPTER 4 TAKING MEASUREMENTS See Chapter 3 Preparations Before Use if you are starting the HM70 for the first time, otherwise follow instructions below: Connect the probe to MI70-indicator. Press button.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Beware of Temperature Differences In humidity measurement and especially in calibration it is essential that temperature of the probe and measuring environment is the same. Even a small difference in temperature between the environment and the probe causes an error.
All manuals and user guides at all-guides.com Chapter 5 __________________________________________________Buttons, Displays and Menus CHAPTER 5 BUTTONS, DISPLAYS AND MENUS Buttons and Navigation To open a menu view 1. Press an arrow button 2. Press this shortcut button Shortcut buttons Arrow buttons Power ON/OFF Press down the button until the indicator turns on/off.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Basic Display Selected quantities. Up to three of the quantities can be selected at a time. RH relative humidity (% RH) T temperature (ºC/ ºF) : dewpoint/frostpoint temperature (ºC/ ºF) : dewpoint temperature (ºC/ ºF) a : absolute humidity (g/m...
All manuals and user guides at all-guides.com Chapter 5 __________________________________________________Buttons, Displays and Menus Graphical Display Graphical display shows you the measurements in a form of curve. From the curve you can examine the data trend and history of the last minutes.
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All manuals and user guides at all-guides.com Chapter 6 ___________________________________________________________________Settings CHAPTER 6 SETTINGS Pressure Setting In pressurized environments, the actual process pressure value shall be set to HM70. The pressure can be given in the following units: hPa: Absolute pressure given in the unit of hPa. barg Gauge pressure given in the unit of bar.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Display Settings → Quantities and Units All the quantities and units are shown in page 7. 1. Open the press MENU; OPEN. 2. Select , press Display 3. Select , press Quantities and units 4.
All manuals and user guides at all-guides.com Chapter 6 ___________________________________________________________________Settings Hold/Save Display Hold/Save function enables you to freeze a certain display reading. This reading can be saved into the memory. Open press MENU: OPEN. 2. Select , press Display 3. Select Hold/Save display.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ To get the curve of the other selected quantities, press NEXT. To get the curves of the all quantities, press until text NEXT ALL is shown instead of NEXT. Then press To zoom in the curve, press the arrow button .
All manuals and user guides at all-guides.com Chapter 6 ___________________________________________________________________Settings Automatic Power OFF As shipped from factory, HM70 has a default setting which turns the power off automatically after 15 minutes of inactivity. This is to conserve the battery. In case you want to change the inactivity time setting to 60 minutes or turn off the automatic power off function, follow the instructions.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Button Click and Backlight on Button Press Open the press MENU: OPEN. Select , press Settings Select press User interface, To turn OFF or ON sound effect while pressing the buttons, select and press Key Click...
All manuals and user guides at all-guides.com Chapter 6 ___________________________________________________________________Settings Device Information → The basic information about the indicator and the probe is found as follows: Open the press MENU: OPEN Select , press Settings Select press Device information, SHOW. The first display gives the information on the MI70 indicator.
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All manuals and user guides at all-guides.com Chapter 7 _____________________________________________________________Recording Data CHAPTER 7 RECORDING DATA Recording → You can record measurement data and view the recorded data on the display. Press the shortcut alternatively open the select Record, ( MENU, Recording/Viewing) Select , press...
All manuals and user guides at all-guides.com Chapter 7 _____________________________________________________________Recording Data Select the file you want to view, press . The files are identified according to the starting date and time of recording. Press to get the graphical view, press to get GRAPH TIMES...
The recorded data can be transferred to a PC by using MI70 Link program. MI70 Link program can be ordered from Vaisala, see list of accessories on page 73. You can examine the recorded data easily in Windows environment and transfer it further to a spreadsheet program ®...
All manuals and user guides at all-guides.com Chapter 8 ____________________________________________________________ Other Functions CHAPTER 8 OTHER FUNCTIONS Setting Alarm Levels → HM70 is alarming by beeping and blinking the backlight. The alarm turns on when the measured value is not between the alarm limits (permissible area).
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ RH and the lower limit so low that it never will be reached (for example 0 % RH). Thus, the HM70 will alert when RH rises above 50 % RH. Select press to activate the alarm and return...
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All manuals and user guides at all-guides.com Chapter 8 ____________________________________________________________ Other Functions Open the press MENU: OPEN. Select , press Functions Select press Chemical Purge, START Confirm the starting by pressing Chemical purge takes up to YES. 6 minutes During that time there are no readings on a display. A message display appears once in 15 seconds and it tells you the time required to complete the chemical purge.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Sensor Preheat (Optional) Sensor preheat is an optional feature of the HM70 series humidity probes (B-version probes). In some measurement applications, unwanted dew formation makes humidity measurement difficult or even impossible. High humidity combined with rapidly changing outdoor temperature can condense the water vapour in the air onto the sensor head.
All manuals and user guides at all-guides.com Chapter 8 ____________________________________________________________ Other Functions Turning Sensor Preheat ON/OFF The following applies only with humidity probes HMP75B, HMP76B and HMP77B: Open the press MENU: OPEN. Select , press Functions Select press . Confirm the starting by Sensor Preheat, START pressing...
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HM70's calibrated reference probe − one or two point calibrations can be done to industrial transmitters and modules (HMP230/240 series, HMT320/330 series, HMM210 modules) by using a MI70 indicator and Vaisala's humidity calibrator HMK15. Calibration Cables For calibration and adjustment connect HM70 to fixed transmitter by...
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Calibration and Adjustment of HMD/W 60/70, HMD/W 20/30 and HMP130 Series Transmitters For checking and adjusting HM60/70 series and HM20/30/130 series transmitters you need a MI70 and a HMP70 calibrated reference probe and a connection cable.
Transmitters You can check and adjust the HMT100 relative humidity measurement with Vaisala HM70 Hand-Held Humidity and Temperature meter. A HM70-connection cable is needed, Vaisala order code: 211339. There are four types of adjustments available: field checking and adjustment using a calibrated reference probe, one-point adjustment using a calibrator, two-point adjustment using a calibrator and LiCl- NaCl adjustment.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Turn on both devices (or just the HM70 if HMT100 is on continuously). The reading of the transmitter is shown on the top or middle row of the indicator display, depending on which connector port the connection cable is connected to.
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters One-Point Adjustment Using a Calibrator When adjusting the transmitter in only one reference condition, please take care that the reference condition represents the measuring environment. MI70 indicator is used now only as a terminal for visualizing and setting the transmitter's RH reading.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Choose 2-point adjustment from the MI70 adjustment menu, press SELECT Press when the reading has stabilized in the first reference READY condition (may take 30 minutes or more). You can follow the stabilization from the display.
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters Press when the reading has stabilized in the LiCl salt READY chamber (may take 30 minutes or more). You can follow the stabilization from the display.
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All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Connect the -calibration cable to the 27159ZZ connector of the HMP230/HMP240-series transmitter connector = 6-pin connector on the left side of the motherboard). - calibration connector of the HMM210 module. Connect the other end of the calibration cable to either of the HM70's connector port located on the bottom of the indicator, see figure on page 35.
EXIT 1-Point Humidity Adjustment by Using a Calibrator You can use Vaisala humidity calibrator HMK15 to achieve the reference humidities. MI70 indicator is working as a communicator in the calibration procedure. Follow the steps from 1 to 12 and continue as follows:...
User's Guide _______________________________________________________________________ 2-Point Adjustment by Using a Calibrator You can use Vaisala humidity calibrator HMK15 in calibration and adjustment. Note that the difference between the two reference humidities shall be at least 50 %. MI70 indicator is working as a communicator in the calibration procedure.
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters Calibration and Adjustment of HMT320 Series Transmitters You can check and adjust both humidity and temperature channels. Make the temperature adjustment first in case you adjust both channels.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Field Checking and Adjustment by Using a Calibrated Reference Probe Follow the steps from 1 to 8 and continue as follows: 9. Check that the probes are located in equal conditions and wait until the readings are stabilized (can take 30 minutes or more).
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters Enter correct reference value by using the arrow buttons. Press Confirm by pressing YES. Adjustment is done. Press to return to the BACK EXIT basic display. Replace the jumper to pins.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ the difference between two references is less than 50 %, adjustment can not be done. Adjustment is done. Press to exit the adjustment mode BACK press to return to the basic display. EXIT Replace the jumper to pins.
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters From now on the adjustment is carried out by using the MI70 indicator. Press to start adjustment. Select press SELECT. If RH selected, check the environment settings, if needed. Otherwise press Field Checking and Adjustment by Using a Calibrated Reference Probe...
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Remove the filter from the transmitter's probe and insert the probe head into the reference condition. Press to continue adjusting ADJUST Select , press 1-point adjustment SELECT. Press when the reading is stabilized in the reference READY condition (takes about 30 minutes or more) You can follow the...
All manuals and user guides at all-guides.com Chapter 9 _______________________________________ Calibration and Adjustment of Transmitters Give the higher reference humidity value by using the arrow buttons. Press Confirm the adjustment, press (by pressing return to adjustment mode display and no changes are made). If the difference between two references is less than 50 %, adjustment can not be done.
2. Remove the lid of the DMW19 transmitter. 3. Connect the 211917ZZ- cable to the 6-pins test connector (cable connector position: Vaisala-logo on top) of the DMW19. 4. Connect the other end of the calibration cable to either of the HM70's connector port located on the bottom of the indicator, see figure on page 35.
MEASURING OTHER PARAMETERS SIMULTANEOUSLY The MI70 indicator is a generic indicator that can be used with Vaisala interchangeable dewpoint (DMP) and carbon dioxide (GMP) probes. Two different probes can be used simultaneously. 1. Turn off the device. 2. Connect the DMP70/GMP70 probe to the other connector port in the bottom of the indicator.
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All manuals and user guides at all-guides.com Chapter 11 ___________________________________________________ Analog Output Connection CHAPTER 11 ANALOG OUTPUT CONNECTION Selecting and Scaling the Analog Output → → → To get analog measurement data, you need the analog output signal cable, see list of accessories on page 73. One voltage signal channel 0...1.0V can be scaled for the selected quantity.
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All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ 7. Select to set the value for the 0.0V output signal, press 0.0 V (If the analog output is ON, take it OFF) Set the low value by using arrow buttons Press button to choose the sign of the value.
It is recommended to send the device to Vaisala Service Centers for calibration, see contact information on page 66. Alternatively user can calibrate and adjust HM70 by following the instructions given in this chapter.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Relative Humidity Adjustment LiCl-NaCl Automatic Adjustment LiCl-NaCl automatic adjustment is a two-point adjustment in reference humidities of 11.3 % (LiCl) and 75 % (NaCl). You don't have to feed the reference values, the HM70 displays the accurate value based on the measured temperature and the Greenspan table stored into the memory of the HM70.
All manuals and user guides at all-guides.com Chapter 12 _______________________________ Calibration and Adjustment of HM70 Series Probes Press to check the environmental settings, to continue directly adjustment press Now the adjustment mode is on, press to select the ADJUST adjustment method. Select press Press...
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Temperature Adjustment Temperature adjustment in one or two points can be done if there is reason to believe that the adjustment is changed. If adjustment is done only in one point, reference condition shall represent the measuring environment.
All manuals and user guides at all-guides.com Chapter 12 _______________________________ Calibration and Adjustment of HM70 Series Probes 2-Point Adjustment Follow the steps from 1 to 4 and continue as follows: Select . Press to continue. 2-point adjustment SELECT Set the probe to a lower reference temperature. You can follow the stabilization from the display.
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If HM70 displays an error message, check first that the sensor is connected properly and let the probe dry if there is condensed water in the probe. In case of constant error, please contact Vaisala Service Centers (see page 66). Error Messages −...
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Screw on the new filter. Changing the Battery Pack A new rechargeable battery pack can be ordered from Vaisala. Change the battery pack as follows: 1. Open the back plate of the indicator by opening the screw of the back plate.
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Vaisala Service Centers 66 ___________________________________________________________________ M210297EN-D...
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Temperature Measurement ranges HMP75 -20 ... +60 ºC HMP76 -50 ... +120 ºC (to+180 ºC temporarily) HMP77 -70 ... +180 ºC Accuracy at +20°C ±0.2 °C Accuracy over temperature range (see graph): ∆...
All manuals and user guides at all-guides.com Chapter 15 _____________________________________________________Technical Specifications Accuracies of Calculated Variables Accuracies of the calculated variables depend on the calibration accuracy of the humidity and temperature sensors; here the accuracies are given for ± 2 %RH and ±0.2 °C Accuracy of Dewpoint Temperature °C Relative humidity Temp.
All manuals and user guides at all-guides.com Chapter 15 _____________________________________________________Technical Specifications Probe cable length (between indicator and the probe handle) 1.9 m Probe head cable length of HMP77 (from handle to the root of the probe head) 5.0 m Probe head diameter 12 mm (0.47 inch) Weight HMP75...
30 days Power consumption during charge 10W max Charging time 4 hour General about Vaisala Hand-Held Humidity and Temperature Meter HM70 Storage temperature -40 ... +70 °C Storage humidity range 0 ... 100 % (non-...
All manuals and user guides at all-guides.com Chapter 15 _____________________________________________________Technical Specifications Accessories Description Order code AC-Adapters Euro AC-adapter MI70EUROADAPTER UK AC-adapter MI70UKADAPTER US AC-adapter MI70USADAPTER AUS AC-adapter MI70AUSADAPTER Connection cables Analog output signal cable 27168ZZ Connection cable for HM60/70/140 series HMA6070 Connection cable for HM20/30/130 series HMA2030...
All manuals and user guides at all-guides.com User's Guide _______________________________________________________________________ Dimensions in mm (inches) Ø 12 (0.47) MI70 Indicator HMP75 Probe 74 ___________________________________________________________________ M210297EN-D...
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All manuals and user guides at all-guides.com Chapter 15 _____________________________________________________Technical Specifications Ø 12 (0.47) HMP76 Probe HMP77 Probe 37.5 (1.48) 79.5 (3.13) 99.5 (3.92) HMP77 Sensor head VAISALA________________________________________________________________________ 75...
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