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DHD-1 Digital Hand Dynamometer – Problems and Symptoms

Problems and Symptoms 

When “0.0” is not displayed on the LCD after pressing the 
“PWR” button

• If any value other than 0.0 is displayed, press and hold the 

ZERO

 button to 

calibrate the DHD-1

•  If unable to calibrate to 0.0 using the 

ZERO

 button, contact your supplier or 

Saehan for technical support as the load cell may be damaged.

When 3-digit numbers are abnormally displayed

• Contact your supplier or Saehan for technical support as there may be a 

calibration error or the load cell may be damaged.

When “Lobt” and  “        ” are displayed on the LCD 

•  Charge immediately. Otherwise, the buttons will not function properly.

When the battery level indicator is not displayed on the LCD

• When connected to the PC using the USB cable, the battery level indicator 

is not displayed. The battery level indicator only appears on the screen when 
operated using the charged battery for power.

When three beeps are heard when pressing a button

• This indicates the button is not functional during the mode of operation. See 

the 

Button Functions

 section in the user manual in the user manual.

Содержание DHD-1

Страница 1: ...DHD 1 Digital Hand Dynamometer User Manual Includes Data Transfer Software Installation and Usage...

Страница 2: ......

Страница 3: ...lied by connecting to a PC and using the USB cable provided The rated power of the PC to USB connection is 5V 500mA Check the rated power before use This device is designed to measure grip strength Do...

Страница 4: ...ge Thinner benzene alcohol insect repellent pesticide sunscreen etc Do not touch the any part of the device with hands stained with any of the substances listed above Do not make contact of the USB ca...

Страница 5: ...e handle One type of printed manuals is provided for the use of equipment Users can download and use the electronic manuals PDF files from the manufacturer s website www saehanmedical com as needed Ke...

Страница 6: ...waste Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment By ensuring this device is disposed of correctly you will help preven...

Страница 7: ...BK053048AH 700mA 3 Gauge Cover and Ring Plastic Enclosure ABS Fire retardant 4 Guide Plastic Enclosure PC Fire retardant 5 PCB Connector Socket Housing 12505WS 02 04 Socket 12505HS 02 04 Housing 6 Bod...

Страница 8: ...ATALOGUE NUMBER DATE OF MANUFACTURE SERIAL NUMBER CONSULT INSTRUCTIONS FOR USE MANUFACTURER AUTHORISED REPRESENTATIVE IN THE EUROPEAN COMMUNITY TYPE BF APPLIED PART CAUTION A HANDLE DIRECTION ERROR PR...

Страница 9: ...s Reserved No portion of this manual may be reprinted or copied without the written permission of SAEHAN Corporation DHD 1 Digital Hand Dynamometer Battery LCD Gauge Five Handle Positions Handle shown...

Страница 10: ...er Re chargeable Battery Warranty One Year Limited Warranty Dimensions 138mm W X 258mm L X 75mm H Weight 1 3 lb 0 59 kg Operation Environment a Ambient temperature range 10 40 C 50 104 F b Relative hu...

Страница 11: ...e charge level remains low after attempting to fully recharge the battery should be replaced Contact your supplier to arrange for replacement of the battery Do not try to replace the built in battery...

Страница 12: ...12 DHD 1 Digital Hand Dynamometer Display Modes DATE DATE TIME Setting Mode Setting Month Day mm dd Setting Year yyyy Setting Time hh mm...

Страница 13: ...Testing Mode Right hand Test Number 02 saved Ready for next test Right hand Test Number 03 Ready to save Right hand Test Number 03 saved Ready for next test DHD 1 Digital Hand Dynamometer Display Mod...

Страница 14: ...14 AVG Reading Mode Time and Date for Test Number 03 AVG SD CV sequentially displayed based on all 3 RIGHT hand tests DHD 1 Digital Hand Dynamometer Display Modes...

Страница 15: ...idental dropping place the DHD 1 in the patient s hand with the safety strap around their wrist as shown below Always Use the Safety Strap Step 3 Preparing the Patient for Testing With the patient sit...

Страница 16: ...there should be less than 10 variation in the results from the various grip positions Greater than 10 variation between the tests indicates the patient has not exerted maximal effort For more informat...

Страница 17: ...fort Journal of Hand Therapy 2000 13 195 202 Firrel J Miller G Which Setting of the Dynamometer Provides Maximal Grip Strength The Journal of Hand Surgery 1996 21A 397 401 Note Normative data for chil...

Страница 18: ...arged when connected to a PC using the USB cable included with the DHD 1 To transfer saved test results from the DHD 1 to a PC see DHD 1 Digital Hand Dynamometer Data Transfer Software Installation an...

Страница 19: ...uction Note When reading the following sections refer to the Display Mode diagrams on pages 12 14 to quickly learn the operation and button functions in each mode and to benefit using the many feature...

Страница 20: ...or reset Note There is no difference in measured values due to unperformed zero correction except cases such as damages of Load Cell Though zero correction zero point in advance of the measurement is...

Страница 21: ...yyy 8 Press the HAND button once and the value for the fourth digit of the four digit Year flashes Press the READ button repeatedly to advance to the desired fourth digit of Year yyyy 9 Press the SET...

Страница 22: ...f the maximum grip force measured is not affected if the beginning reading is not exactly 0 0 See Calibration on Page 20 for more information Reading Mode 1 Press the PWR button to power on the DHD 1...

Страница 23: ...o the next setting for Year yyyy and once again to advance to setting the Time hh mm ZERO No function in Setting Mode In Testing Mode PWR Press and hold to power off the DHD 1 SAVE Saves the current t...

Страница 24: ...lay individual test results in descending order for the selected hand SET Displays the DATE and TIME of each individually saved test result or the AVG SD and CV based on the total number of test resul...

Страница 25: ...hould touch the post close to its center If they do not return the device to your supplier or SAEHAN for inspection and repair Annual Calibration and Repair It is recommended that this device be check...

Страница 26: ...nd select DHD 1 DTS SH1001 DHD 1 DTS v1 0 zip file Click Save to download the compressed zipped file Step 2 Automatic installation of the USB Virtual COM Port driver for Windows7 and Windows Vista for...

Страница 27: ...ble Step 3 Identify the COM Port number assigned by the Virtual COM port driver The COM port number will be uniquely assigned to your PC Make note of the COM Port number during installation or go to C...

Страница 28: ...to start the program Optionally you may want to create a Desktop shortcut Step 2 Establish a connection with the DHD 1 Connect the DHD 1 to the PC using the USB cable and press the PWR button to turn...

Страница 29: ...ransferred test results as a text txt file Press Clear to erase displayed test results Press Disconnect to disconnect DTS communication with the DHD 1 Click on X in the upper right corner to close the...

Страница 30: ...ehan for technical support as there may be a calibration error or the load cell may be damaged When Lobt and are displayed on the LCD Charge immediately Otherwise the buttons will not function properl...

Страница 31: ...contact during usage 1 Measurement site Both hands 2 Condition Patient should be able to fold and spread out their fingers Intended Operators Professional Health Care Provider Physical Therapists etc...

Страница 32: ...x 1 500 lux 2 Viewing distance 20 cm 40 cm 3 Viewing angle normal to the display 20 Physical 1 Temperature range 10 C 40 C 50 F 104 F 2 Relative humidity range 10 90 3 Ambient pressure range 700 hPa 1...

Страница 33: ...ted to a PC using the USB cable the Data Transfer Software can transfer the stored test results from the DHD 1 memory into text txt files which can be easily accessed using Notepad or MS Word for edit...

Страница 34: ...ing function Audible beep sounds based on function Settings for Year Month Date and Time AVG SD CV sequentially displayed Up to 40 tests results 20 tests results for each hand can be stored in memory...

Страница 35: ......

Страница 36: ...nsfer Software Installation and Usage SH UM 001 Rev 3 2018 5 29 SAEHAN Corporation 23 29 Bongamgongdan 13 gil Masanhoewon gu Changwon si Gyeongsangnam do 51342 South Korea E mail saehancorp naver com...

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