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©2003 DELMHORST INSTRUMENT CO. 

 

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CARE OF YOUR METER: 

 

To keep your meter in good working order: 
 

• 

Store meter in a clean, dry place.  The protective carrying case provided is an 
ideal storage place when the meter is not in use. 

 

• 

Change the 9-Volt battery as needed. Continued use with a low battery may 
cause the meter to go out of calibration. 

 

• 

Clean the meter with any biodegradable cleaner.  Use the cleaner sparingly and 
on external parts only.  

 

• 

Remove the battery if the meter will not to be used for one month or longer 

 

SERVICE FOR YOUR METER: 
 

• 

Pack your meter securely.  Enclose a purchase order or letter with a brief 
description of the problem. 

 

• 

There is no need to call us for a return authorization number if you are within the 
U.S.  Customers outside the U.S. must contact us for more specific instructions 
prior to returning a meter. Include your name, address, daytime phone and fax 
numbers or e-mail address.  If you believe the meter is under warranty, please 
provide the original sales slip or invoice. 

 

• 

Ship via UPS, Express Mail, Priority Mail or any overnight courier who provides 
prompt service.  Do not use standard parcel post.  

 

• 

Insure your instrument for its full value and ship prepaid.  We are not responsible 
for damage in transit. 

 

• 

We do not accept COD shipments or cover any incoming freight or duty charges 
on returned merchandise. 

 

• 

Turnaround time on repairs is approximately two weeks. 

 

• 

We will call you with an estimate if you specifically request one, or if we 
determine that the meter may be too costly to repair. 

 

• 

Non-warranty repairs will be returned via UPS/COD unless you have already  
established other payment terms.  There is no COD service outside the U.S.  To 
pay by credit card, include the card number and expiration date with your repair.  
We accept Visa/MasterCard, and American Express. 

 

Содержание HT-3000

Страница 1: ...LE OF CONTENTS 3 INTRODUCTION 3 OPERATION 3 AUTO OFF 3 BACKLIGHT 4 LOW BATTERY 4 ADJUSTING THE DISPLAY CONTRAST 4 OPERATION SUMMARY 5 CALIBRATION MAINTENANCE 5 TECHNICAL SPECIFICATION Measurement Accuracy Response Time Resolution Power Supply Battery Life 6 CARE OF YOUR METER 6 SERVICE FOR YOUR METER 7 WARRANTY ...

Страница 2: ... 2003 DELMHORST INSTRUMENT CO 2 of 2 SCALE ROTATE HOLD ON OFF ...

Страница 3: ...the meter memory after power up This allows immediate access to any measured or calculated value even if the data of interest is not currently displayed 4 Press the SCALE F C button at any time to switch Temperature and Dewpoint readings between Fahrenheit and Celsius 5 Press the HOLD button to freeze the displayed readings The letter H appears at the right of the first display line The meter stop...

Страница 4: ... mode Press and hold the ON OFF button Keep it pressed throughout the adjustment process 2 To turn the display darker press and hold the SCALE F C button within 2 seconds Release this button when desired contrast is achieved 3 To turn the display lighter press and hold the ROTATE button within 2 seconds Release the button when the desired contrast is achieved 4 Once the desired contrast is achieve...

Страница 5: ...ibration is not available for the HT 3000 TECHNICAL SPECIFICATIONS Measurement Temperature 20 C to 70 C 4 F to 158 F Relative Humidity 0 100 RH Dew Point 40 C to 80 C 40 F to 176 F Absolute Humidity 0 55 gpp to 3868 gpp Accuracy Temperature 1 C over 0 C 70 C 1 8 F over 32 F to 158 F Relative Humidity 3 Response time Temperature reaches 80 of full excursion in approx 75 seconds Relative Humidity re...

Страница 6: ...ructions prior to returning a meter Include your name address daytime phone and fax numbers or e mail address If you believe the meter is under warranty please provide the original sales slip or invoice Ship via UPS Express Mail Priority Mail or any overnight courier who provides prompt service Do not use standard parcel post Insure your instrument for its full value and ship prepaid We are not re...

Страница 7: ...duct or its calibration With proper care and maintenance the meter should stay in calibration follow the instructions in the Care of Your Meter section Under no circumstances shall Delmhorst be liable for any incidental indirect special or consequential damages of any type whatsoever including but not limited to lost profits or downtime arising out of or related in any respect to its meters or ele...

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