Martek Instruments Mark 25 Instruction Manual Download Page 1 | Manualshive

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Martek Instruments, Inc.

Mark 25

Ultrapure Water
Conductivity Analyzer

Instruction Manual

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Summary of Contents for Mark 25

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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