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Related Manuals for Vaisala HUMICAP HMM212
Summary of Contents for Vaisala HUMICAP HMM212
- Page 1 USER'S GUIDE ® Vaisala HUMICAP Humidity and Temperature Module HMM212 U338EN-1.2...
- Page 2 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...
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Page 3: Table Of Contents
With the HMI41 Indicator and Calibration Cable....21 With Pushbuttons and a Jumper......... 23 Two-Point Humidity Calibration........... 23 Two-Point Humidity Calibration Procedure....23 Calibration Table ..............25 Temperature Calibration............26 Temperature Calibration of an RH and T Module ....26 VAISALA ________________________________________________________________________ 3... - Page 4 Replacing the HUMICAP 180R Sensor and the Filter..27 Replacing Consumables............27 Parts List for Consumables ..........27 CHAPTER 7 TROUBLESHOOTING..................29 Troubleshooting Procedure ..........29 Technical Support ..............29 Return Instructions ..............30 Vaisala Service Centers ............31 CHAPTER 8 TECHNICAL DATA ..................33 Specifications .................33 4 _____________________________________________________________________ U338EN-1.2...
- Page 5 Dimensions in mm (inches) ............18 Figure 3 Electrical Connections of HMM212 Module ......19 Figure 4 Calibration Connector for the HMI41........22 Figure 5 Calibration Pins and Pushbuttons ..........24 Figure 6 Offset and Gain Calibration Examples ........26 VAISALA ________________________________________________________________________ 5...
- Page 6 USER'S GUIDE____________________________________________________________________ List of Tables Table 1 Manual Revisions ...............8 Table 2 Related Manuals.................8 Table 3 Emission Tests .................10 Table 4 Immunity Tests .................10 Table 5 Greenspan's Calibration Table with Output Values According to the Chosen Scale ..............25 Table 6 Available Spare Parts ...............27 Table 7 Relative Humidity Specifications ..........33...
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Page 7: Chapter 1 General Information
- Chapter 1, General Information, provides general notes for the manual and the product. - Chapter 2, Product Overview, introduces the features and advantages ® of the Vaisala HUMICAP Humidity and Temperature Module HMM212. - Chapter 3, To Be Noted When Measuring Humidity, describes issues that need to be noted in the measurement of humidity. -
Page 8: Version Information
Manual Name ® M210316EN-A Vaisala HUMICAP Indicator HMI41 and Probes HMP41/45/46 User's Guide M210777EN-B Calibration of Digital Transmitters with Vaisala ® HUMICAP Humidity Indicator HMI41 Cables 19164ZZ and 25917ZZ User's Guide M210185EN-C Vaisala Humidity Calibrator HMK15 User's Guide General Safety Considerations... -
Page 9: Feedback
Chapter 1 ________________________________________________________ General Information Feedback Vaisala Customer Documentation Team welcomes your comments and suggestions on the quality and usefulness of this publication. If you find errors or have other suggestions for improvement, please indicate the chapter, section, and page number. You can send comments to us by e- mail: manuals@vaisala.com... -
Page 10: Recycling
Dispose of batteries and the unit according to statutory regulations. Do not dispose of with regular household refuse. Regulatory Compliances ® The Vaisala HUMICAP Humidity and Temperature Module HMM212 complies with the following performance and environmental test standards: The emission and immunity tests have been performed according to standard EN61326-1. -
Page 11: Patent Notice
Vaisala shall at its free option either repair or have repaired or replace the product in question. The working hours used by employees of Vaisala for such repair or replacement shall be free of charge to the client. - Page 12 USER'S GUIDE____________________________________________________________________ the allegedly defective Product or part shall, should Vaisala so require, be sent to the works of Vaisala or to such other place as Vaisala may indicate in writing, freight and insurance prepaid and properly packed and labelled, unless Vaisala agrees to inspect and repair the Product or replace it on site.
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Page 13: Chapter 2 Product Overview
Chapter 2 __________________________________________________________ Product Overview CHAPTER 2 PRODUCT OVERVIEW This chapter introduces the features and advantages of the Vaisala ® HUMICAP Humidity and Temperature Module HMM212. Introduction to HMM212 The HMM212 modules are designed especially for relative humidity measurements in environmental chamber applications with high temperature and humidity levels. - Page 14 USER'S GUIDE____________________________________________________________________ This page intentionally left blank. 14 ____________________________________________________________________ U338EN-1.2...
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Page 15: To Be Noted When Measuring Humidity
The ® HUMICAP 180R sensor returns to its normal functioning as soon as water has evaporated. Contaminated water condensing on the sensor may shorten its life span and alter the calibration. VAISALA _______________________________________________________________________ 15... -
Page 16: Figure 1 Measurement Error At 100 %Rh When The Temperature Difference Between The Ambient Air And The Sensor Is 1 °C
USER'S GUIDE____________________________________________________________________ Temperature (°C) Figure 1 Measurement Error at 100 %RH when the Temperature Difference between the Ambient Air and the Sensor is 1 °C 16 ____________________________________________________________________ U338EN-1.2... -
Page 17: Chapter 4 Installation
Air should flow freely around the sensor. Install the sensor head to a sufficient distance from the duct or chamber walls. Make sure to insert enough cable to the same space with the probe in order to prevent heat conduction. VAISALA _______________________________________________________________________ 17... -
Page 18: Dimensions
USER'S GUIDE____________________________________________________________________ Dimensions Figure 2 Dimensions in mm (inches) Electrical Connections Connect wires according to Figure 3 on page 19. 18 ____________________________________________________________________ U338EN-1.2... -
Page 19: Figure 3 Electrical Connections Of Hmm212 Module
Electrical Connections of HMM212 Module The following numbers refer to Figure 3 above: 1 = During normal use, leave the jumper as indicated here (factory setting). 2 = Calibration connector for the HMI41 3 = Calibration jumper when not in use VAISALA _______________________________________________________________________ 19... - Page 20 USER'S GUIDE____________________________________________________________________ This page intentionally left blank. 20 ____________________________________________________________________ U338EN-1.2...
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Page 21: Chapter 5 Calibration
CALIBRATION This chapter contains information that is needed to calibrate this product. Vaisala recommends a recalibration of the HMM212 module after six months of use. After the first recalibration, the recommended calibration interval is approximately 12 months. However, please note that these intervals depend on the operating conditions and the required accuracy. -
Page 22: Figure 4 Calibration Connector For The Hmi41
USER'S GUIDE____________________________________________________________________ Figure 4 Calibration Connector for the HMI41 The following numbers refer to Figure 4 above: 1 = For calibration with the HMI41, insert the jumper as indicated here. 2 = Calibration connector for the HMI41 NOTE The serial communication parameters are: 1200 bauds, no parity, 8 data bits, 1 stop bit NOTE When the connection is being established, the message 'CON ERROR'... -
Page 23: With Pushbuttons And A Jumper
You can also perform a two-point calibration with saturated salt calibrators (for example HMK15), or you can send the instrument to Vaisala or a Vaisala representative for recalibration. Figure 6 on page 26 illustrates the difference between offset and gain calibrations. -
Page 24: Figure 5 Calibration Pins And Pushbuttons
USER'S GUIDE____________________________________________________________________ Connect the jumper to the RH offset pins (see Figure 5 below) and adjust the output signal with push buttons to the value given in the calibration table (Table 5 on page 25). Insert the probe into the measurement hole of the NaCl chamber. Wait for 20 to 40 minutes. -
Page 25: Calibration Table
3.765 3.755 3.745 0 ... 10 V 7.56 7.55 7.53 7.51 7.49 If the LiCl solution is used or stored in temperatures below +18 °C (+64 °F), the equilibrium humidity of the salt solution may change permanently. VAISALA _______________________________________________________________________ 25... -
Page 26: Temperature Calibration
USER'S GUIDE____________________________________________________________________ Temperature Calibration The temperature channel of the HMM212 is very stable and the modules NOTE have been calibrated at the factory. Unless there is a strong reason to believe that the adjustments have changed, do not perform a temperature calibration. -
Page 27: Chapter 6 Maintenance
Replace a dirty filter to ensure a maximum lifetime and a fast response for the sensor. Replacing Consumables This section describes how to replace consumables. Parts List for Consumables Table 6 Available Spare Parts Spare Part Order Code ® HUMICAP 180R Sensor HUMICAP180R Stainless steel sintered filter HM46670 VAISALA _______________________________________________________________________ 27... - Page 28 USER'S GUIDE____________________________________________________________________ This page intentionally left blank. 28 ____________________________________________________________________ U338EN-1.2...
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Page 29: Chapter 7 Troubleshooting
- Input power source type, voltage and list of other items (lighting, heaters, motors etc.) that were connected to the same power output. - What was done when the failure was noticed? Technical Support For technical questions, contact the Vaisala technical support: E-mail helpdesk@vaisala.com +358 9 8949 2790... -
Page 30: Return Instructions
Include the information specified in step 2 in the box with the faulty product. Also include a detailed return address. Ship the box to the address specified by your Vaisala contact. 30 ____________________________________________________________________ U338EN-1.2... -
Page 31: Vaisala Service Centers
Chapter 7 ___________________________________________________________ Troubleshooting Vaisala Service Centers Vaisala Service Centers perform calibrations and adjustments as well as repair and spare part services. See contact information below. Vaisala Service Centers also offer accredited calibrations, maintenance contracts, and a calibration reminder program. Do not hesitate to contact them to get further information. - Page 32 USER'S GUIDE____________________________________________________________________ This page intentionally left blank. 32 ____________________________________________________________________ U338EN-1.2...
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Page 33: Chapter 8 Technical Data
Pt 1000 RTD 1/3 Class B IEC 751 Table 9 Analog Output Specifications Property Description / Value Two analog outputs 4 ... 20 mA Ch1: RH Ch2: T Typical accuracy ±0.1 %FS Resolution Ch1: 0.025 %RH Ch2: 0.01 %FS Typical temperature dependence 0.005 %FS/°C VAISALA _______________________________________________________________________ 33... -
Page 34: Table 10 General Specifications
USER'S GUIDE____________________________________________________________________ Table 10 General Specifications Property Description / Value Operating temperature range Probe -70 … +180 °C Electronics -5 … +55 °C Storage temperature range (electronics) -40 … +70 °C Sensor protection: Standard Stainless steel sintered filter Connections Screw terminals for 0.5 ... - Page 36 *U338EN*...
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