1. Manuals
  2. Brands
  3. REED Manuals
  4. Measuring Instruments
  5. 8689
  6. Instruction manual

REED 8689 Instruction Manual

Digital ph pen
Hide thumbs Also See for 8689:
Table of Contents

Advertisement

Quick Links

Download this manual
Model
Pantone 534 Blue - 100/80/30/5
Digital pH Pen
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
Instruction
Manual
1.800.561.8187
reedinstruments
www
www.
8689
.com
Black
com
information@itm.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 8689 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for REED 8689

Summary of Contents for REED 8689

  • Page 1 Black 8689 Model Pantone 534 Blue - 100/80/30/5 Digital pH Pen Pantone 485 Red - 10/100/100/5 Pantone 123 Yellow - 0/27/100/ Instruction Manual reedinstruments 1.800.561.8187 information@itm.com www. .com...

  • Page 2: Table Of Contents

    Maintenance ................8 Troubleshooting ..............8-10 Battery.Replacement..............9 Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow For.service.on.this.or.any.other.REED.product.or.information.on.other. Red - 10/100/100/5 Pantone 485 Red Yellow - 0/27/100/0 Pantone 123 Yellow REED.products,.contact.REED.Instruments.at.info@reedinstruments.com Blue - 100/80/30/5 Pantone 534 Blue...

  • Page 3: Features

    Features •.Dual.displays.of.temperature.and.pH •.°F.or.°C.temperature.measurement •.Automatic.temperature.compensation.assures.that.readings.are.cor- rected.for.temperature.offsets •.One.touch.calibration.for.up.to.3.points •.Calibration.values.are.adjustable •.Data.hold •.Electrode.status.indication •.Replaceable.pH.electrode.module •.Waterproof.housing.(IP65) •.Low.battery.indicator •.Auto.power.off.after.20.minutes.of.inactivity •.Protective.sensor.cap.keeps.sensor.moistened Specifications pH.Range:. 0.00.to.14.00.pH. Resolution:. 0.01.pH Accuracy:. ±0.05.pH Temp..Range:. 0.to.60.0°C. Resolution:. 0.1°C Accuracy:. ±0.5°C Power.Supply:. 4.LR44.button.cell.batteries Dimensions:. 176.x.39.x.39mm Weight:. 110g Includes:. Batteries Blue - 100/80/30/5 Pantone 534 Blue Optional.Accessories:.

  • Page 4: Instrument.description

    Instrument Description Display Description The.1st.display.shows.the.measured.pH.reading.. The.2nd.display.shows.the.temperature.reading.(C.or.F). Cal.-.Calibration.mode. HLD.-.Data.hold. Battery.icon.to.indicate.low.power. uS/ppt/ppm/mS/mV.are.invalid.units.in.this.pH.pen. Keypad Description -.Press.to.freeze.the.current.reading. -.Press.again.to.release.hold. -.Press.to.adjust.while.in.setting.or.calibration.mode. -.Press.to.enter.calibration.mode.. -.Press.to.save.and.enter.next.step.while.in.setting.mode. -.Press.to.adjust.while.in.calibration.mode -.Press.to.power.the.meter.on/off.. -.Press.for.2.seconds.to.enter.the.setting.mode..before.power.on. -.Press.with.“HOLD”.key.to.disable.auto.off.function.before..power.on Operating Instructions Soak.the.electrode.in.water.for.at.least.30.min.before.using.to.prevent.de- layed.readings.or.to.make.the.electrode.wet.if.the.pH.electrode.dries.out.. Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow Remove.the.probe.cover.from.meter.(see.Fig.1)..Rotate.the.transparent. Red - 10/100/100/5 Pantone 485 Red cap.to.expose.the.electrode.(see.Fig.2).

  • Page 5: Data Hold

    Dip.the.electrode.into.the.test.solution..Press.the.Power.button.to.power. on.the.meter. The.LCD.screen.will.flash.“pH”.when.the.meter.is.in.measurement.mode.. The.LCD.will.then.display.the.measured.pH.and.temperature..“pH”.stop. flashing.when.the.reading.is.stable.. Once.finished.taking.measurements,.press.the.SET.button,.clean.the.. electrode,.put.the.transparent.electrode.cap.and.meter.cover.back.on.. Data Hold Press.the.“HOLD”.button.to.freeze.the.current.reading..“HLD”.will.appear. on.the.LCD.screen..Press.the.“HOLD”.button.again.to.exit.Hold.Mode. Auto Power Off This.meter.will.shut.off.automatically.after.20.minutes.of.inactivity.. To.disable.the.auto.power.off: Before.turning.the.unit.on,.press.the.“SET”.button.and.“HOLD”.button. Blue - 100/80/30/5 Pantone 534 Blue simultaneously.until.an.“n”.appears.on.the.screen..Release.the.buttons.to. Yellow - 0/27/100/0 Pantone 123 Yellow return.to.normal.measuring.mode.. Red - 10/100/100/5 Pantone 485 Red Yellow - 0/27/100/0 Pantone 123 Yellow Note:.After.the.unit.is.turned.off.the.Auto.Power.Off.will.be.re-enabled.by.

  • Page 6: Parameter Setting

    Parameter Setting The.Parameters.Setting.function.could.help.you.to.check.or.program.your. meter..To.enter.the.Setting.function,.when.meter.is.off,.press.the.“SET”. button... Probe Slope and Offset Value. After.re-calibration,.checking.the.Probe.Slope.and.Offset.Value.could.help. to.confirm.if.it.is.necessary.to.replace.the.probe.. While.doing.3.points.of.calibration,.there.are.two.available.Slope.Values. and.one.Offset.Point. -.Range.1(.SL1):.0.00.to.2nd.point. -.Range.2.(SL2):.2nd.point..to.14.00pH.. -.Offset.Point.is.at.pH7 While.doing.1.or.2.points.of.calibration,.the.Slope.Value.SL1.equals.to. SL2..The.offset.point.is.still.at.pH7. You.will.need.to.change.the.probe.when.the.Slope.Value.is.<75.or.>115. (The.unit.is.%)..When.the.Offset.value.is.out.of.the.-60mV~.+60mV.range,. you.will.need.to.change.the.probe.as.well. When.the.meter.is.off,.press.the.“SET”.button.to.enter.setting.mode..SL1. value.will.appear.on.LCD.screen..Press.the.“CAL”.button.to.view.the.SL2. value..Press.the.“CAL”.button.again.to.view.the.Offset.Value.. Temp. Unit Setting To.change.the.temperature.unit.(C.or.F),.press.the.“SET”.button.to.enter. the.Parameter.Setting.function.and.press.the.“CAL”.button..The.default. unit.will.flash.on.the.LCD.screen..Press.the.“HOLD”.button.to.change.the. unit.and.press.the.“CAL”.button.to.confirm.. Parameter Reset To.reset.the.meter.to.its.default.settings,.press.the.“SET”.button.to.enter. the.Parameter.Setting.function.and.press.the.“CAL”.button..“No”.will. flash.on.the.LCD.screen..Press.the.“HOLD”.button.to.change.to.“Yes”. Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow...

  • Page 7: Calibration

    Calibration Calibration.is.necessary.and.should.be.done.regularly..The.unique.calibra- tion.design.of.this.meter.features.automatic.buffer.recognition.to.avoid. errors 1.. Rinse.the.probe.thoroughly.with.de-ionized.water.or.rinse.solution.. Do.not.wipe.the.probe,.as.this.will.cause.a.build-up.of.electrostatic. charge.on.the.glass.surface 2.. Power.on.the.meter 3.. Dip.the.probe.into.the.standard.calibration.buffer..The.end.of.the. probe.must.be.completely.immersed.into.the.sample..Stir.the. probe.gently.to.create.a.homo¬geneous.sample..It.is.suggested.to. calibrate.pH7.first.and.then.4.or.10.pH.for.a.higher.accuracy.result 4.. Press.the.“CAL”.button.to.enter.calibration.mode..The.“CAL”.icon,. auto.recognized.buffer.value.(see.table),.and.“pH”.will.flash.on.the. LCD.screen.. 5.. If.the.probe.is.damaged.or.the.if.the.buffer.is.not.specified.as.fol- lowing,.the.primary.LCD.will.keep.flashing.unless.you.turn.off.the. meter..Acceptable.pH.buffer.range:.-pH3.00~5.00.-pH6.00~8.00. -pH8.50~10.50. Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow 6.. If.the.probe.successfully.recognizes.the.buffer.range,.the.buffer.pH. Red - 10/100/100/5 Pantone 485 Red Yellow - 0/27/100/0 value.and.“CAL”.will.stop.flashing.

  • Page 8: Changing The Probe

    7.. If.your.calibration.buffer.is.not.NIST,.press.the.“HOLD”.or.“CAL”. button..Adjust.the.calibrating.point.to.the.corresponding.buffer. value.of.the.specific.temperature..The.adjustable.range:.3.00.to. 5.00,.6.00.to.8.00,.8.50.to.10.50 8.. Wait.30.seconds.for.the.meter.to.complete.the.calibration.auto- matically,.if.the.reading.is.stable.enough.. 9.. Rinse.the.probe.with.de-ionized.water.or.a.rinse.solution.after. calibration..Repeat.step.3.~.8.to.do.multiple.point.calibration.or.exit. by.turning.off.the.meter.. Changing the Probe Change.probe.when.experiencing:. . Slow.response.. . Unstable.reading.. . Slope.value.is.<75%.or.>115%.or.the.offset..value.is.out.of.-60mV~+60mV. Three.steps.to.change.the.probe:. 1..Loosen.the.washer. 2..Unplug.the.probe. 3..Reverse.steps.to.install.new.probe. Note:.Be.sure.to.calibrate.the.meter.after.changing.the.probe.. Maintenance •. Always.keep.the.pH.glass.bulb.wet.by.using.the.cap.to.protect.and. store.the.electrode •. Always.rinse.the.pH.electrode.in.de-ionized.water.or.rinse.solution. before.next.use •. Never.touch.or.rub.the.glass.bulb •. Make.sure.the.electrode.is.clean..Between.measurements,.rinse.the. Blue - 100/80/30/5 electrode.with.de-ionized.water..If.the.electrode.has.been.exposed.to.

  • Page 9: Troubleshooting

    Troubleshooting Power on but no display 1..Make.sure.the.time.of.pressing.the.power.button.is.more.than.0.3. sec.. 2..Check.the.batteries.are.in.place,.make.good.contact,.and.have.the. correct.polarity 3..Replace.the.batteries. 4..Remove.the.batteries.for.one.minute.and.then.put.back.in.the.unit. Slow response 1..Clean.probe.by.immersing.the.electrode.in.tap.water.for.10-15.min,. then.rinse.thoroughly.with.distilled.water.or.use.a.general.purpose. electrode.cleaner 2..Replace.the.probe Unstable reading. 1..Stir.the.solution.to.make.homogeneous. 2..Make.sure.the.electrode.is.completely.immersed.in.the.solution. 3..Clean.the.probe.and.re-calibrate. 4..Replace.the.probe. 5..Move.to.anther.room.and.try.again. The reading does not change. 1..Check.whether.Data.Hold.is.on Error Codes E02:. The.value.is.below.the.lowest.range E03:. The.value.is.above.the.highest.range E04:. Temperature.is.out.of.range Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow...

  • Page 10: Battery.replacement

    Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow Red - 10/100/100/5 Pantone 485 Red Yellow - 0/27/100/0 Pantone 123 Yellow For.service.on.this.or.any.other.REED.product.or.information.on.other. REED.products,.contact.REED.Instruments.at.info@reedinstruments.com. Blue - 100/80/30/5 Pantone 534 Blue reedinstruments Black Rich Black - 20/20/20/100 1.800.561.8187 information@itm.com...
  • Page 11 Notes _________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow Red - 10/100/100/5 Pantone 485 Red ________________________________________________ Yellow - 0/27/100/0 Pantone 123 Yellow Blue - 100/80/30/5 Pantone 534 Blue...
  • Page 12 Notes _________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ ________________________________________________ Blue - 100/80/30/5 Pantone 534 Blue Yellow - 0/27/100/0 Pantone 123 Yellow Red - 10/100/100/5 Pantone 485 Red ________________________________________________ Yellow - 0/27/100/0 Pantone 123 Yellow Blue - 100/80/30/5 Pantone 534 Blue...

Table of Contents