Kett MT-700 User manual
Wood Moisture Tester MT-700
Operating manual
Wood Moisture Tester Safety Precautions
Injury or damage to property may result if proper safety procedures are not followed when using the wood moisture
tester.
• Be sure to carefully follow all safety precautions.
Carefully read operating manual.
• Do not use the unit if it is not functioning properly.
Immediately contact our service representative if the unit malfunctions or does not operate properly.
• Meaning of Warning Indications.
The symbols indicated below are used in the operating manual and on the unit itself in order to prevent accidents
due to misuse of the product.These symbols have the following meanings:
This symbol indicates information important for the understand in order to safely operate the product.
Caution
CONTENTS
1. Features............................................................................ 2
2. Specifications.................................................................... 3
3. Part Names ....................................................................... 4
4. Display and Keypad .......................................................... 5
5. Directions .......................................................................... 6
5-1. Before Measuring ................................................... 6
5-2. Measurement Method............................................. 7
5-3. Displaying the average value................................. 10
5-4. Continuous Measurement ..................................... 11
5-5. Performing Moisture Content Bias Adjustment ..... 12
5-6. How to set an alarm value .....................................13
6. Error Code Display...........................................................14
7. Applications and Ranges ................................................. 16
2
1.Features
1. Sixteen wood groups can be measured.
2.The wood group number(HARD:01-09,SOFT:10-16) is displayed.
3.When inactive, the unit will automatically power off after approximately five minutes.
4. When the moisture content exceeds the set upper value, a buzzer sounds.
5.The moisture content can be bias-adjusted for each wood group to correlate with local standards.
3
2. Specifications
Measuring Principle : Electrical Resistance
Applications : Wood
Measuring Range : 5 to 40% (Depends on wood group)
Functions : Average
Auto power off (5minute)
Bias Adjustment (-9.9 ~ +9.9%)
Upper limit alarm setting
Operating Temperature : 0 to 40˚C
Display : LCD
Power Supply : Battery (1.5V, size”AA”alkaline ,6pcs)
Dimensions : 110(W)x 210(D)x 50(H) mm
Weight : 500g
Accessories : Needle probe (1), Spare needle (10), Conductive rubber (2), Wrench (1),
Shoulder strap (1), Battery (1.5V, LR6) (6), Calibration List (2),
Operating Manual (1), Carryingcase (1)
4
3.Part Names
Main body Accessories
Carryingcase
Shoulder strap
Calibration List (2)
Battery(6)
Operating Manual
Needle probe
Conductive rubber (2)Spare needle (10)Wrench
Connector
Display
Control Panel
Needle
Cap
Battery cover(Back)
Needle probe
5
4.Display and Keypad
Wood group number
Battery indicator
Measuring times
"HRD" or "SFT"
Upper limit alarm
Moisture content
Bar graph
Display
Keypad
6
5. Directions
5-1.Before Measuring
1.Load the batteries.
The unit is powered by six LR6 batteries.
Place the batteries in the compartment, taking care to correctly
orient the positive and negative terminls.
• The battery indicator is displayed when the batteries are exhausted.
Replace all six with new batteries.
2.Plug the probe connector into the probe socket on the top of the
unit.
3.Remove the protective cover of the probe.
4.Prepare the sample to be measured before measurement.
Allow it to equilibrate to the ambient temperature of the unit.
7
5-2.Measurement Method
1.Turn on the MT-700.Press the key.All indicators will be
displayed for approximately three seconds.
The wood group number, "HRD" or "SFT" ,"TIMES" ,"%" will be
displayed.
• If this does not happen (as shown in Figure), a problem may exist with
the unit. Please see the error list (Section 6.Error Code Display).
2.Select the wood group from the Calibration List.
Wood group number is from 01 to 09 and from 10 to16.
Exaple :Wood group number 01 to 12
(1) Press the key. Be sure that wood group number is
blinking.
• The part of the display printed in indicates that this part is blinking.
(2) Press the key. Single-digit is blinking.
(3) Press the key. "12", "SFT" will be displayed.
• The wood group number is maintained in memory when the unit's
power is off.
3.Press the probe into the wood to be measured as shown figure.
Place the probe on the wood in the same direction as figure shows,
so that electric current may penetrate at a right angle with the
flow of wood grain.Grasp the grip of the needle probe and insert
the needle up to 7mm into the wood to obtain the intemal mois-
ture content of wood.
• Turn the red mark attached to the metal part of the sensor in the
direction of grain.
•The tip of a sensor needle is a sharp shape.It may cause injury of
the operator or damage the other people by careless handling,
therefore it should be always capped after use.
8
Electric current
Grain direction
Code
Red mark
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