Sper scientific 850081 Instruction Manual
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Sper scientific 850081 Instruction Manual

Water quality meter
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Water Quality Meter
850081
Instruction Manual
SPER
SCIENTIFIC LTD.

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

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..............3 II. PANEL DESCRIPTION ............3 III. PROCEDURES OVERVIEW ........... 4 IV. OPERATING INSTRUCTIONS ..........5 A. TEMP. COMPENSATION - PH MEASUREMENT... 5 1. Manual Temperature Compensation ......5 2. Automatic Temperature Compensation ....... 5 B.

  • Page 3: Introduction

    I. INTRODUCTION Using interchangeable probes this versatile meter reads pH, mV, conductivity, TDS, D.O. temperature and ORP. Order probes for only the parameter you currently require and add additional probes in the future. Intelligent probes electronically retain calibration information. No recalibration is required when changing probes, and pH can be calibrated without buffer solutions when they are not available.

  • Page 4: Procedures Overview

    III. Procedures Overview Calibration Single point calibration pH7 (CAL.) Set manual temp. values Power On or attach ATC probe Two points calibration pH7 (CAL. & PH4 (pH10, SLOPE) PH Measuring Procedure Set manual temperature compensation values on the front panel Power On Measurement Automatic temperature...

  • Page 5: Operating Instructions

    IV. OPERATING INSTRUCTIONS A. TEMPERATURE COMPENSATION - pH measurement. Note: The meter is factory set for a solution temperature of 77°F/25°C. 1. Manual Temperature Compensation for pH Measurement • Slide the LOCK SWITCH to the locked position and press the POWER button.

  • Page 6: Chemical Calibration (With Buffers)

    • Fig. 4 To adjust the pH 7 default value, press the TEMP.C button again. The upper display will 7.00 show "7.00" and the lower display will show the PH 7 default calibration value (Fig.4). Use the 07.12 UP and DOWN buttons to adjust the value. •...

  • Page 7: Meters That Are Out-Of-Calibration By More Than 1 Ph Of The Calibration Solution

    shows "CAL" and the lower display shows Fig. 8 the default calibration value (Fig.8). • "CAL" will flash on the LCD for around 5 seconds. After that, the meter calibrates 4.00 itself automatically. The upper display will show the calibrated value, the lower display will show temperature (Fig.9).

  • Page 8: Hold

    button. The LCD flashes momentarily. • Press the °C/°F button to select the desired unit of measure. • Place the temperature probe into the solution and the LCD will display the measurement. 2. PH Measurement Once the unit has been calibrated: •...

  • Page 9: Automatic Shut Off

    seconds, until the display reverts to the current reading. D. AUTOMATIC SHUT OFF The instrument has an automatic shut off function in order to prolong battery life. After approximately 10 minutes without activity (no buttons pushed), the meter will automatically shut off. To disable this feature, press the REC button.

  • Page 10: Specifications

    The 16 digits 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 Each digit indicates the following status: End Word D1 & D8 Display reading, Dl = LSD, D8 = MSD E.g: If the display reading is 1234, then 08 to Ohs: 00001234 Decimal Point (DP), position from right to the left 0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP...

  • Page 11: Probes

    Sampling Time Approximately 0.8 seconds. Power Supply 006P DC 9V battery (Alkaline or heavy duty). Power Current Approximately DC 7 mA. Weight (meter) 8.8 oz (250 g). Size (meter) 7 ¾" x 2 ½" x 1" (195 x 68 x 30 mm). Standard Accessories Hard-shell foam-lined Case &...

  • Page 12: Warranty

    (5) years from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent 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.

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