background image

 

 
WARRANTY POLICY

 

 
 
Unless otherwise stated, MARTEK INSTRUMENTS, INC. warrants this equipment 
to be free from defects in material and workmanship and to perform in 
accordance with applicable specifications for five years (one year for portable 
equipment) from date of shipment. All conductivity sensors are guaranteed for 
life. 
 
MARTEK will provide free service at the factory, including parts, labor and 
transportation back to the customer, for any malfunction of its products which 
are returned transportation charges prepaid. 
 
Customers desiring to return a product to MARTEK for repair should contact the 
Service Department by telephone at (800) 628-8834 or fax (919) 790-2375 or via 
our website at www.martekinstruments.com to obtain return authorization. The 
information required at this time will be the complete model number and serial 
number of the product and a brief description of the problem. 
 
All shipments to MARTEK must be freight prepaid and addressed as follows: 
 
 

 

 

MARTEK INSTRUMENTS, INC. 

 

 

 

2609 Discovery Drive 

 

 

 

Raleigh, NC 27616 

 

 

 

Attn: Repair Department 

 
A complete and detailed statement of the reason for return must accompany the 
unit. If possible, include a copy of sample reading or a printout. 
 
Returned units must be packed as well as they were when first shipped. If 
possible, use the original packing. Do not return detachable cords or manuals 
with the unit. 
 
MARTEK reserves the right to void this warranty if the product has been 
subjected to misuse, neglect, accident, improper installation or application, and 
for consumable items such as batteries, membranes, or solutions. 
 
This warranty is expressly in lieu of all other obligations or liabilities on the part 
of MARTEK.  MARTEK neither assumes nor authorizes any other person or 
organization to assume on behalf of Martek any other liability in connection with 
the sales or use of MARTEK instrumentation.

 

 
 

Содержание Mark 25

Страница 1: ...Martek Instruments Inc Mark 25 Ultrapure Water Conductivity Analyzer Instruction Manual...

Страница 2: ...rial number of the product and a brief description of the problem All shipments to MARTEK must be freight prepaid and addressed as follows MARTEK INSTRUMENTS INC 2609 Discovery Drive Raleigh NC 27616...

Страница 3: ...ectrical connections to the monitor 6 3 Operation 3 1 Keyboard display 7 3 2 The CALIB Key 7 3 3 Calibrating Temperature 8 3 4 Calibrating Conductivity 9 3 5 Setting Alarms 9 3 6 Setting Recorder Outp...

Страница 4: ...r outputs 0 20 mA and a serial RS232 digital output for hookup to external recording equipment For maximum flexibility alarm set points and analog outputs can be assigned to any range on any parameter...

Страница 5: ...utput Alarm Output Four solid state relays 5 amp 250 V Weight 2 lbs 0 9 kg including one sensor with 10 feet 3 meters Construction Readout Module Case ABS plastic NEMA 12 IP65 Sensor Type 316 Stainles...

Страница 6: ...Installation 2 1 Panel Cutout for Monitor 3 60 3 60 Panel Cut out 2 2 Sensor Dimensions 2 75 6 98 cm 1 75 4 44 cm Side View 8 00 20 32 cm 1 12 2 84 cm Top View 125 31 cm 196 49 cm 2 places 4 125 10 47...

Страница 7: ...erly grounded outlet If recorder digital or alarm outputs are to be used make certain the Mark 25 is unplugged before connecting the cable to the appropriate recorder or computer Follow the wiring dia...

Страница 8: ...ssed the Mark 25 will display rd If one of the bottom keys is selected the parameter high lighted in red will be displayed and its corresponding LED lit RANGE key Range changes can be made manually fo...

Страница 9: ...rk 25 should be calibrated to ASTM or NIST traceable standards To calibrate temperature press the CALIB key The display will flash o C To select temperature press the UP ARROW key The flashing will st...

Страница 10: ...y channel Press the CALIB until the display indicates the alarm prompt ALA Next press the UP ARROW key The display will prompt with AL 1 and all parameter LED s will be lit The UP ARROW key can be use...

Страница 11: ...nction is ON the decimal point can be moved by pressing the RANGE key Press the CALIB key to select the desired parameter At this point the standard 4 20 mA output range can be changed to any value de...

Страница 12: ...esired value has been reached press the CALIB key to set and activate the password Once the password is enabled the display will default to 1999 whenever the password prompt is selected To gain access...

Страница 13: ...will be lit and flashing Use the UP or DOWN ARROW key to advance to the auto ranging prompt AUrG When the CALIB key is pressed the Mark 25 will display OFF To activate the auto ranging function press...

Отзывы: