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2  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° to 70° Celsius (optional)

(Air Humidity) 

5% to 95% RH (optional)

Display

LCD, 0.1 resolution

Accuracy

1% (of full scale)

Repeatability

0.3%

Power Supply

9V E block battery, low-battery indicator

Auto Power Off

After approx. 2 min.

Weight

1650 g (complete set incl. carrying case)

Dimensions

200 mm x 95 mm x 40 mm (LxWxH)

2.2  Delivery Includes 

Textile moisture meter with carrying case
1 Connecting cable  1m length 

ID no.: 50400M

1 Probe holder 

For inserting the different electrodes 

ID no.: 50404M

1 Needle electrode  For measuring spools, bobbins and  
   

hanks of yarn

   

2-pin probe, 100mm long 

ID no.: 50414M

1 Needle electrode  For measuring spools, bobbins and  
   

hanks of yarn 

   

8-pin probe, 80mm long 

ID no.: 50418M

1 Operating Instructions

2.3  Optional Accessories

1 Needle electrode  For measuring bales or rolls of fabric, yarn, etc. 
   

300mm long 

ID no.: 50412M

1 Roller electrode 

For measuring moving webs of material

   

27mm roller diameter. 

ID no.: 50416M

1 surface electrode  For measuring fabrics, surface Ø 30 mm 

ID no.: 50426M

1 Set of calibration electrodes comprising 2 calibration electrodes 
  of different calibration values for verification and calibration of 
  the moisture meter. 

ID no.: 50422M

  Calibration Certificate optionally available for the calibration  
  electrodes.
1 Temperature and air humidity probe for determining the absolute 
  room temperature in °C and the room air humidity in % RH 
  170 mm length 

 

ID no.: 50428M

2 Different calibration reports are available for the moisture meter:
  a)  Manufacturer‘s standard calibration report in English
  b)  Calibration report in English using SIT certified electrodes
    (SIT: Italian Calibration Institute, similar to DKD in Germany).

Summary of Contents for DHT-2

Page 1: ...Moisture Meter Model DHT 2 Edition DHT 2 01 E Operating Instructions Valid as of 01 12 2016 Please keep the manual for future reference 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 ...

Page 2: ... Conformity and WEEE Registration 4 2 Available Models 5 2 1 Specifications 5 2 2 Delivery Includes 5 2 3 Optional Accessories 5 2 4 Unpacking 6 3 Operation 6 3 1 Notes Before Starting Measurement 6 3 2 Operating Elements 6 3 3 Battery Insertion and Replacement 6 3 3 1 Switch On 7 3 3 2 Switch Off 7 3 3 3 Inserting the Measuring Electrode 7 3 4 Measuring Procedure 8 3 4 1 Conversion Charts 9 3 5 V...

Page 3: ...a tion is the knowledge of the basic safety notices and safety instructions These Operating Instructions provide essential information to ensure the safe operation of the device These Operating Instructions in particular the safety notices must be observed by any person who works with the device In addition the local applicable rules and regulations for the prevention of accidents must be complied...

Page 4: ...e The device was designed according to the state of the art and the approved safety stan dards Nevertheless its use may cause serious or fatal injury to the user or third persons and or an impairment of the device or of other material assets The device may only be applied For its intended use in a faultless condition with regard to the safety requirements Malfunctions that could impair safety must...

Page 5: ...100mm long ID no 50414M 1Needle electrode For measuring spools bobbins and hanks of yarn 8 pin probe 80mm long ID no 50418M 1Operating Instructions 2 3 Optional Accessories 1Needle electrode For measuring bales or rolls of fabric yarn etc 300mm long ID no 50412M 1Roller electrode For measuring moving webs of material 27mm roller diameter ID no 50416M 1 surface electrode For measuring fabrics surfa...

Page 6: ...ors gloves etc 3 2 Operating Elements 3 3 Battery Insertion and Replacement The moisture meter is delivered with a 9V E block battery inserted If Low Battery is indicated on the DISPLAY the battery must be replaced immediately Operating the instrument with a low battery may cause measurement errors To insert the new battery Open the BATTERY COMPARTMENT on the rear side of the instrument Insert a 9...

Page 7: ...use 3 3 3 Inserting the Measuring Electrode Select the proper ELECTRODE for your application Insert the ELECTRODE into the receptacles on the top of the PROBE HOLDER fig 3 3 3 and screw on the RETAINING RING Plug in the CONNECTING CABLE at the BNC connectors of the ELECTRODE and the DHT 2 moisture meter fig 3 3 3b PROBE HOLDER ELECTRODE RETAINING RING fig 3 3 3a ELECTRODE CONNECTING CABLE DHT 2 fi...

Page 8: ...n Zw COTTON Cotton Bw HEMP Hemp HA JUTE Jute JU PAPER Paper FLAX YARN Flax Yarn FL Li NYLON Nylon ACRYL Polyacrylic PA POLYESTER Polyester PES 50WO 50ZW 50 Wool Wo 50 Rayon Zw 60BW 40PES 60 Cotton Bw 40 Polyester PES 70PAC 30WO 70 Polyacrylic PAC 30 Wool Wo 67PAC 33BW 67 Polyacrylic PAC 33 Cotton Bw 70PES 30WO 70 Polyester PES 30 Wool Wo 70PES 30ZW 70 Polyester PES 30 Rayon Zw 67PES 33BW 67 Polyes...

Page 9: ...rt the ends of the selected ELECTRODE into the TEST MATERIAL fig 3 4 The DISPLAY shows the measured moisture content of the TEST MATERIAL fig 3 4 3 4 1 Conversion Charts Relative moisture Acetate Yarn CA ELECTRODE CONNECTING CABLE DHT 2 ...

Page 10: ...s 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: ...ative 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 56 Rayon Zw 44 Cotton Bw ...

Page 12: ... 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 70 Wool Wo 30 Rayon Zw ...

Page 13: ...e 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 Relative moisture 84 Rayon Zw 16 Polypropylene PP ...

Page 14: ...not use any AGGRESSIVE SOLVENTS such as trichloroethylene or similar chemicals NO WARRANTY OR LIABILITY shall be accepted for damage resulting from improper cleaning 6 Verification Interval The question of finding the right frequency of calibration accuracy verification depends on several different factors Operating time and load of the SCHMIDT moisture meter Tolerance band defined by the customer...

Page 15: ...untries we ask you to include a proforma invoice with a low value for customs clearance only e g 50 Euro each and to advise the shipment in advance by fax or eMail 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 Schichts...

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