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Summary of Contents for Schmidt DHT-2
- Page 1 Moisture Meter S C H M I D T c o n t r o l i n s t r u m e n t s Edition DHT-2.01-E Model DHT-2 Operating Instructions Valid as of: 01.12.2016 • Please keep the manual for future reference!
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Page 2: Table Of Contents
Contents 1 Warranty and Liability ....................3 1.1 Notices within the Operating Instructions ............... 3 1.2 Responsibilities of the Operating Company ............3 1.3 Responsibilities of the Personnel ................3 1.4 Informal Safety Measures ..................4 1.5 Training of the Personnel ..................4 1.6 Intended Use ...................... -
Page 3: Warranty And Liability
Warranty: - SCHMIDT moisture meters are warranted for 12 months. Parts subject to wear, electronic components and measuring springs are not covered by the warranty. No warranty or liability will be accepted for bodily injury or property damage resulting from one or several of the following causes: - Misuse or abuse of the device. -
Page 4: Informal Safety Measures
The device is intended exclusively to be used as a moisture meter. Any other use or any use exceeding this intention will be regarded as misuse. Under no circumstances shall HANS SCHMIDT & Co GmbH be held liable for damage resulting from misuse. The intended use also includes: - Complying with all notices included in the Operating Instructions and observing all inspection and maintenance works. -
Page 5: Available Models
Available Models DHT-2 2.1 Specifications Application Area: Direct readings for: (Relative Moisture Content) Wool, cotton, rayon, hemp, jute, paper, linen, nylon, polyacrylic, polyester, 10 fabric blends Comparison measurement for other materials: 1 - 100 scale for comparison with 20 conversion charts (Room Temperature) -30°... -
Page 6: Unpacking
2.4 Unpacking Unpack the moisture meter and inspect it for any shipping damage. Notices of defect must be filed immediately, in writing, at the latest within 10 days on receipt of the goods. Operation 3.1 Notes Before Starting Measurement Have you read and understood the Operating Instructions, in particular Chapter 1 “Basic Safety Notices”? You are not permitted to operate the moisture meter before doing so. -
Page 7: Switch-On
(fig. 3.3.3) and screw on the RETAINING RING. RETAINING RING PROBE HOLDER ELECTRODE fig. 3.3.3a - Plug in the CONNECTING CABLE at the BNC connectors of the ELECTRODE and the DHT-2 moisture meter (fig. 3.3.3b). CONNECTING CABLE DHT-2 ELECTRODE fig. 3.3.3b... -
Page 8: Measuring Procedure
3.4 Measuring Procedure General information: The measuring principle of the DHT-2 moisture meter is based on the electrical conductiv- ity of the material which always bears a fixed relation to the moisture. The moisture meter displays direct readings for the materials listed in the table below. For other materials, note the reading on the upper 0 - 100 scale and then refer to the conver- sion charts in Chapter 3.4.1 to convert the absolute reading into an accurate measurement... -
Page 9: Conversion Charts
3.4 Measuring Procedure (Cont.) - Insert the ends of the selected ELECTRODE into the TEST MATERIAL (fig. 3.4). The DISPLAY shows the measured moisture content of the TEST MATERIAL. CONNECTING CABLE DHT-2 fig. 3.4 ELECTRODE 3.4.1 Conversion Charts Relative moisture [%]... - Page 10 3.4.1 Conversion Charts (Cont.) Relative moisture [%] Sisal Yarn Relative moisture [%] 55% Polyester (PES) - 45% Rayon (Zw) Relative moisture [%] 33% Rayon (Zw) - 67% Cotton (Bw) Relative moisture [%] 40% Cotton (Bw) - 60% Flax Yarn (FL / Li) Relative moisture [%] 40% Polyacrylic (PAC / PAN) - 60% Wool (Wo)
- Page 11 3.4.1 Conversion Charts (Cont.) Relative moisture [%] 50% Cotton (Bw) - 50% Polynosic (PON) Relative moisture [%] 50% Polyacrylic (PAC / PAN) - 50% Wool (Wo) Relative moisture [%] 55% Polyacrylic (PAC / PAN) - 45% Wool (Wo) Relative moisture [%] 55% Polyester (PES) - 45% Wool (Wo) Relative moisture [%]...
- Page 12 3.4.1 Conversion Charts (Cont.) Relative moisture [%] 60% Polyacrylic (PAC / PAN) - 40% Wool (Wo) Relative moisture [%] 65% Polyester (PES) - 35% Rayon (Zw) Relative moisture [%] 70% Polyacrylic (PAC / PAN) - 30% Cotton (Bw) Relative moisture [%] 70% Wool (Wo) - 20% Rayon (Zw) - 10% Polyamide (PA) Relative moisture [%]...
- Page 13 3.4.1 Conversion Charts (Cont.) Relative moisture [%] 75% Polyacrylic (PAC / PAN) - 25% Wool (Wo) Relative moisture [%] 80% Polyacrylic (PAC / PAN) - 20% Wool (Wo) Relative moisture [%] 80% Polyester (PES) - 20% Flax Yarn (FL / Li) Relative moisture [%] 80% Rayon (Zw) - 20% Wool (Wo)
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Page 14: Verification Of Calibration
DHT-2. Connect the electrodes to the moisture meter. The instrument should then display the calibration value specified by the manufacturer. To adjust the calibration of the DHT-2, please request our special calibration instructions. Service and Maintenance The moisture meter is easy to maintain. -
Page 15: Repairs
To avoid unnecessary follow-up questions, and the resulting loss of time or possible misunderstandings, please return the instrument with a detailed fault description to our service department. Service address: HANS SCHMIDT & Co GmbH Schichtstr. 16 84478 Waldkraiburg Germany Notes:...
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