Sper scientific 850081 Instruction Manual Download

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Optional Measuring Procedure

Data Hold

Memory Record

Max. Min.

RS232 Output

PH Measuring Procedure

Power On

Set manual temperature
compensation values on the
front panel

Automatic temperature
compensation by optional
ACT probe

Measurement

Power Management

Auto Power Off

(not activated during

Memory Record Selection)

Manual Power Off

Power On

Single point calibration
pH7 (CAL.)

Set manual temp. values
or attach ATC probe

Two points calibration
pH7 (CAL. & PH4
(pH10, SLOPE)

Calibration

III. Procedures Overview

Summary of Contents for 850081

Page 1: ...Water Quality Meter 850081 Instruction Manual SPER SCIENTIFIC LTD ...

Page 2: ...IBRATION PROCEDURE 5 1 Electronic Calibration without buffers 5 6 2 Chemical Calibration with buffers 6 7 3 Meters that are Out of Calibration by more than 1 pH of the Calibration Solution 7 C MEASUREMENT PROCEDURES 7 1 Temperature 7 2 PH 8 3 mV 8 4 Hold 8 5 Maximum Minimum 8 9 D AUTOMATIC SHUT OFF 9 E OVERLOAD INDICATOR 9 F BATTERY REPLACEMENT 9 G RS 232 PC SERIAL INTERFACE 9 10 V SPECIFICATIONS ...

Page 3: ...temperature in user selectable ºC ºF and all measurements are automatically temperature compensated The RS 232 port enables communication with a computer Also features automatic shut off hold maximum minimum fold out easel back and a tripod screw Comes with 9V battery and a hard shell foam lined carrying case with room for one or two probes 1 Display 7 C Down CAL Button 12 Opt Probe Input Socket 2...

Page 4: ...es on the front panel Automatic temperature compensation by optional ACT probe Measurement Power Management OR Auto Power Off not activated during Memory Record Selection Manual Power Off Power On Single point calibration pH7 CAL Set manual temp values or attach ATC probe Two points calibration pH7 CAL PH4 pH10 SLOPE Calibration III Procedures Overview ...

Page 5: ...ER button The LCD flashes momen tarily Press the PH MV button and select the pH mode PH is displayed on the LCD Insert both probes into the solution The pH measurement will be automati cally compensated for temperature B PH CALIBRATION PROCEDURES The meter is factory calibrated to simulate the ideal pH electrode 0 mV at pH 7 00 and 177 4 mV at PH 4 based on an ambient temperature of 77 F 25 C 1 El...

Page 6: ...e are needed to perform the following procedures Two Point Calibration Connect the PH electrode to the BNC SOCKET Ensure that the temperature setting is adjusted to the temperature of the pH buffer solution See TEMPERATURE COMPENSATION on page 5 Press the PH MV button and select the pH mode PH is displayed on the LCD PH 7 Calibration Rinse the electrode with distilled water and immerse the electro...

Page 7: ...H 10 when the measurement is pH 11 or pH 9 Connect the pH electrode to the PH BNC INPUT SOCKET Slide the LOCK SWITCH to the locked position and press the POWER button The LCD flashes momentarily Press the PH MV button and select the pH mode PH is displayed on the LCD Set the Manual Temperature Compensation value to 77 F 25 page 5 Rinse the electrode with distilled water and place it into a standar...

Page 8: ...e the electrode into the solution The mV measurement is displayed Rinse the electrode with distilled water after each use 4 Hold During the measuring procedure press the HOLD button to freeze the display The LCD will display the word HOLD Press the HOLD button again to exit 5 Maximum Minimum To record the maximum and minimum readings Press the REC button once REC appears on the LCD Press the REC b...

Page 9: ...low battery icon is displayed in the left corner of LCD In spec measurements may be made for several hours after the low battery indicator appears Slide the battery cover away from the instrument remove the battery and replace with a 9V battery alkaline or heavy duty type Close the battery cover G RS232 PC SERIAL INTERFACE The instrument features RS232 output via a 3 5 mm terminal The signal outpu...

Page 10: ...V 18 mS 14 0 6F1 06 mg L 07 D13 The upper display data 1 The lower display data 2 D14 4 D15 Start Word RS232 FORMAT 9600 N 8 1 V SPECIFICATIONS Circuit Custom one chip microprocessor LSI circuit Display 51 mm x 32 mm dual function LCD display 15mm 0 6 digit size Input Impedance 1012 ohm Temperature Compensation for pH measurement Manual 0 100 C adjusted by the C F button Automatic ATC With optiona...

Page 11: ...ftware 840057 RS232 Cable PROBES Unit of Msrmt Range Resolution Accuracy pH Standard BNC connector 840016 pH 0 14 0 01 0 02PH 2d pH Spear Tip Standard BNC connector 840049 pH 0 14 0 01 0 02PH 2d ATC Temp Probe 850082 C 0 65 0 1 0 8 F 32 149 1 5 Conductivity Probe 850083 mS 0 2 1 999 0 001 3 fs 1d mS 2 19 99 0 01 ºC 0 60 0 1 0 8 ºF 32 140 1 5 Conductivity TDS Probe 850084 mS 0 2 2 000 0 001 3 fs 1d...

Page 12: ...ivalent Sper Scientific product will be substituted if available This warranty does not cover probes batteries or damage resulting from accident misuse or abuse of the product In order to obtain warranty service simply ship the unit postage prepaid to SPER SCIENTIFIC LTD 7720 East Redfield Suite 7 Scottsdale Arizona 85260 480 948 4448 www sperscientific com Please Note The defective unit must be a...

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