REED SD-230 Instruction Manual Download Page 3

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black

Rich Black - 

20/20/20/100

Blue -  100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue -  100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue -  100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Features

• 

Meter can select between ATC or manual temperature adjustment

• 

Three Point Calibration 

• 

Accepts any pH Electrode with a BNC connector

• 

Real time SD memory card datalogger with a built-in clock and 
calendar

• 

Sampling time set from 1 second to 3600 seconds

• 

Meter can switch to a Manual Datalogging 

• 

No extra software needed, just plug the SD card into the computer 
and it downloads directly to EXCEL

• 

SD card capacity: 1 GB to 16 GB

• 

Easy to read LCD with backlight 

• 

Auto power off or manual power off

• 

Data hold, record max. and min. reading

• 

High accuracy microcomputer circuit

• 

Power by UM3/AA (1.5 V) x 6 batteries

• 

USB/RS232 Computer interface

Specifications

Circuit: 

Custom microprocessor LSI circuit

Display: 

52mm x 38mm LCD with backlight

Units: 

pH or ORP (mV)

pH Electrode: 

Any pH electrode with BNC connector (optional)

Input Impedance: 

10

12

ohm

Temp. Compensation: 

Manual (1-100°C), ATC (0-65°C)

pH Range: 

0-14pH

pH Resolution: 

0.01pH

pH Accuracy: 

±(0.02pH + 2d)

mV Range: 

0-1999mV

continued ...

Summary of Contents for SD-230

Page 1: ...Model pH ORP Meter Datalogger SD 230 reedinstruments www com Instruction Manual Rich Black 20 20 20 100 Only if you REALLY need them...

Page 2: ...Required Equipment for Calibration 7 Calibration Procedure 7 8 Data Hold 8 Data Record Max Min reading 8 Backlight ON OFF 9 Datalogger 9 Auto Datalogger 9 10 Manual Datalogger 10 Checking the Time 10...

Page 3: ...can switch to a Manual Datalogging No extra software needed just plug the SD card into the computer and it downloads directly to EXCEL SD card capacity 1 GB to 16 GB Easy to read LCD with backlight A...

Page 4: ...puter interface Operating Temperature 0 50 C 0 122 F Operating Humidity Less than 85 R H Power Supply UM3 AA 1 5 V x 6 batteries Weight 489g 1 08lb Dimensions 177 x 68 x 45mm 7 0 x 2 7 x 1 9 Optional...

Page 5: ...you REALLY need them Operating Instructions 1 Display 2 Power Backlight Button 3 Hold ESC Button 4 REC Enter Button 5 Up Button 6 Down Function Button 7 Time Button 8 Logger Set Sampling Time Check B...

Page 6: ...Manual Temperature Compensation value Refer to the Advanced Settings section for instructions 4 Hold the Electrode Handle and let the Sensing head get fully im mersed the measured solution Shake the p...

Page 7: ...ssary Calibra tion also ensures accurate measurements Required Equipment for Calibration 1 Optional pH Electrode 2 Optional pH Buffer Solutions Calibration Procedure 1 Connect the Optional pH Electrod...

Page 8: ...n once and the mea sured value will hold on the screen and a HOLD symbol will appear Press the Hold Button once again will release the data hold function Data Record Max Min reading The data record fu...

Page 9: ...rical data structure downloaded to the SD card is defaulted used the as the decimal for example 20 6 1000 53 But in certain countries the is used as the decimal point for example 20 6 1000 53 See Adva...

Page 10: ...press the Down Button and the lower position number will flash on the display Press the Up or Down Buttons to set the Position Number 1 to 99 to help identify the measurement location The lower Displ...

Page 11: ...f PHA folders is 10 Data Transfer from SD card to Computer EXCEL Software 1 After Datalogging remove the SD card from the SD card slot 2 Plug in the SD card into the Computer s SD card slot or insert...

Page 12: ...the Advanced Setting function press the Esc Button to exit and to return to normal functioning SD memory card Format Please Note Formatting the SD card erases all data from that SD card 1 When the lo...

Page 13: ...ve the setting as the default To exit Advanced Set tings press the Esc Button Auto power OFF management 1 When the lower display shows PoFF use the Up or Down But tons to select the value yES Enable A...

Page 14: ...ecting C or F press the Enter Button to save the setting as the default To exit Advanced Settings press the Esc Button Set pH Manual Temperature Compensation value 1 When the lower display shows t SEt...

Page 15: ...Meter 3 5mm Jack Plug PC 9W D Connector Center Pin Pin 2 Ground Shield Pin 5 The 16 digit data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D0...

Page 16: ...r more information Battery Replacement 1 When the left corner of LCD display shows it is necessary to replace the battery 2 Loosen the screws of the Battery Cover and remove 3 Remove the batteries and...

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