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Version 2.0
Operating Instructions
PCE Americas Inc.
PCE Instruments UK Ltd.
711 Commerce Way
Units 12/13
Suite 8
Southpoint Business Park
Jupiter
Ensign way
FL-33458
Hampshire / Southampton
USA
United Kingdom, SO31 4RF
From outside US: +1
From outside UK: +44
Tel: (561) 320-9162
Tel: (0) 2380 98703 0
Fax: (561) 320-9176
Fax: (0) 2380 98703 9
info@pce-americas.com
info@industrial-needs.com
www.pce-instruments.com/us
www.pce-instruments.com/english
www.industrial-needs.com
HYDROMETTE BL
H 40 / HT 70
1
Hydromette BL H 40 / HT 70
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Summary of Contents for GANN Hydromette BL H 40
- Page 1 From outside US: +1 From outside UK: +44 Tel: (561) 320-9162 Tel: (0) 2380 98703 0 Fax: (561) 320-9176 Fax: (0) 2380 98703 9 info@pce-americas.com info@industrial-needs.com www.pce-instruments.com/us www.pce-instruments.com/english www.industrial-needs.com HYDROMETTE BL H 40 / HT 70 Hydromette BL H 40 / HT 70...
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Page 2: Table Of Contents
Ma ximum Value Display.......... 15 2.3.5 Minimum Value Display ........... 18 2.3.6 Memory Menu ............19 Other Functions ............... 20 2.4.1 Automatic Switch-off ..........20 2.4.2 Battery Monitoring ............ 20 2.4.3 Changing the Electrode Pin ........20 Hydromette BL H 40 / HT 70... - Page 3 Equilibrium Wood Moisture Content ........27 Growth Ranges of Fungi ............28 Swelling and Shrinkage of the Wood........28 Appendix : Accessories ............29 Graphical short operating instructions in the centre Hydromette BL H 40 / HT 70...
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Page 4: Publication Statement
Mess- u. Regeltechnik GmbH. Subject to technical and documentary changes. All rights reserved. This document was prepared with the required care. Gann Mess - u. Regeltechnik GmbH accepts no liability for errors or omissions. GANN Mess- u. Regeltechnik GmbH, Gerlingen, Germany. -
Page 5: General Notes
Operational reliability and functionality are no longer ensured if the device is modified or adapted. Gann Mess - u. Regeltechnik GmbH is not liable for any damage arising from such modifications or adaptations. The risk is borne by the user alone. - Page 6 Wood and other materials should not be measured on conductive surfaces. Gann Mess- u. Regeltechnik GmbH accepts no liability for damage resulting from non-adherence to the operating instructions or by not taking proper care during transport, storage and handling of the device during operation, even if this requirement for care is not specifically addressed in the operating instructions.
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Page 7: Safety Advice
1 Introduction Description The Hydromette BL H 40 / HT 70 is an electronic wood moisture measuring device for precise measurement of sawn timber (up to 180 mm thick), chipboard and veneers with a high-quality measurement amplifier and 3-line LCD display. -
Page 8: Device Layout And Button Assignment
Introduction Device Layout and Button Assignment Electrode connection Active electrode connection (HT 70) Display Up button On/off button Measurement button Down button Hydromette BL H 40 / HT 70... -
Page 9: Display Symbols
Wood moisture Measured value is held. Ready for measurement Device temperature in °C Wood type classification number Wood symbol Other symbols Min/Max display Wood moisture Battery symbol Compensation temperature "c" in °C Wood symbol Hydromette BL H 40 / HT 70... -
Page 10: Basic Functions
Last measured device temp. in °C Wood symbol classification number Figure 2-1 Main Menu In this menu, a new measurement can be started by pressing the measurement button "M". See also Chapter 2.2 "Measuring mode". Hydromette BL H 40 / HT 70... -
Page 11: Display In Measuring Mode
The following menus can be selected one after the other by repeated pressing of the "Up" and "Down" buttons. On the following page, the sequence of the setting menus that is seen by pressing the "Down" button is shown. Hydromette BL H 40 / HT 70... -
Page 12: Measurement Menu (Main Menu)
If the measurement range is not reached or exceeded (H 40: < 5%, > 40%; HT 70: < 5%, > 70%) a blinking measured value shows a warning, which is alternately marked in addition with "LO" or "HI". Hydromette BL H 40 / HT 70... -
Page 13: Wood Type Setting
The wood type classification number blinks and can be set with the "Up" and "Down" buttons. The change is saved by pressing the "M" button again b riefly. The detailed wood type table is included. Hydromette BL H 40 / HT 70... -
Page 14: Temperature Menu
1 °C with the "Up" and "Down" buttons. The change is saved by pressing the "M" button again b riefly (< 1s). You are then back in the measurement mode. Hydromette BL H 40 / HT 70... -
Page 15: Maximum Value Display
"M" button, the deletion of the value is confirmed and the % symbol disappears. The device now returns to Ready mode. With the "M" button, a new measurement can then be carried out. Hydromette BL H 40 / HT 70... - Page 16 ON/OFF button. T he device Hold measurement button pressed longer deactivates after 40 s inactivity than 2 seconds Press measurement button any length of >2 s time Press measurement button briefly Release measurement button <1 s Hydromette BL H 40 / HT 70...
- Page 17 Hold measurement button pressed as <1 s "Up" or "Down" for long as wanted to carry out a menu selection measurement Release measurement button. The measured value is held ("Hold" appears in display) Hydromette BL H 40 / HT 70...
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Page 18: Minimum Value Display
"M" button, the deletion of the value is confirmed and the % symbol disappears. The device now returns to Ready mode. With the "M" button, a new measurement can then be carried out. Hydromette BL H 40 / HT 70... -
Page 19: Memory Menu
After reaching the 5th memory location, the first is shown again. You can recognize saved values displayed as there is no "Hold" symbol in the display. Hydromette BL H 40 / HT 70... -
Page 20: Other Functions
The pins can then be simply replaced. To prevent measurement errors and breakage of the electrode pins, the hex nuts must be well tightened and the area between the pins kept clean. Hydromette BL H 40 / HT 70... -
Page 21: Specifications
Condensation, air humidity continuously too high (> 85 %) and damp Permanent presence of dust and combustible gases, fumes and solutions Ambient temperatures continuously too high (> +40° C) Ambient temperatures continuously too low (< +5° C) Hydromette BL H 40 / HT 70... -
Page 22: Measuring Ranges
4 Application Instructions The measurement of wood moisture is carried out with the Hydromette BL H 40 / HT 70 using resistance measurement. This enables the direct display of the moisture in percent by weight. The display range is from 5 to 40 % (HT 70: to 70 %) with a 7 -stage wood type correction. -
Page 23: Introduction
Application Instructions Introduction The Hydromette BL H 40 / HT 70 works on the electrical resistance/conductivity measurement process known for years. This process is based on the fact that the electrical resistance is heavily dependent on the respective wood moisture. The conductivity of oven-dried wood is very low, or the resistance so high that no current worth mentioning can flow. -
Page 24: Hammer Electrode M 20
The measurement depth is approx. 3 mm, therefore multiple sheets of veneer must be laid on top of each other for the measurement. Do not measure on Hydromette BL H 40 / HT 70... -
Page 25: Stick-In Electrode Pair M 20-Hw 200/300
Pulling out the needles is also done with the slide hammer with the impact direction upwards. Where possible, the hex nuts should be tightened with a spanner or pliers before beginning a measurement sequence. Loose electrode pins break easily. Hydromette BL H 40 / HT 70... - Page 26 Teflon-insulated electrode pins, which enable very precise measurement of zones and layers. They can be supplied in packets of 10 in lengths of 45 mm (order no. 4450) and 60 mm (order no. 4500). Hydromette BL H 40 / HT 70...
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Page 27: Test Adapter For Wood Moisture Measurement
Equilibrium Wood Moisture Content If wood is stored in a particular climate for a long period, it takes up the moisture matching this climate, which is termed equil ibrium moisture content or equilibrium wood moisture content. Hydromette BL H 40 / HT 70... -
Page 28: Growth Ranges Of Fungi
On the other hand, wood swells if i t takes up moisture from the surrounding air below the fibre saturation level. This is a very complex process. If you are interested, we recommend finding the relevant information on the Internet. Hydromette BL H 40 / HT 70... -
Page 29: Appendix: Accessories
-60 mm long (order no. 4660) with 54 mm insertion depth Electrode pins with insulated shank -45 mm long (order no. 4550) with 25 mm insertion depth -60 mm long (order no. 4500) with 40 mm insertion depth Hydromette BL H 40 / HT 70... - Page 30 An ideal device for detecting thermal bridges or determining the dew point. Particularly suited to the measurement of parts with low thermal capacity, e.g. wood, glass, insulation, etc. and for position determination heating coils. (-40 to +380 °C) Hydromette BL H 40 / HT 70...
- Page 31 Appendix: Accessories Hydromette BL H 40 / HT 70...
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