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GlobalTestSupply offers an excellent selection of quality products while providing reliable service and competitive prices. With over 30 years of selling quality instrumentation we know the importance of service, support, customer experience, inventory and price.


Products 1-24 of 25
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Sound Level Adaptor for the REED SD-9300 SL-417, Reed Instruments, Environmental Testing, Environmental Meter, Datalogger, Multifunction Meter, Sound Level Adaptor, Testing Equipment, Measuring Equipment
Free Ground >$175
Retail: $192.49
Price: $168.95
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Availability: Drop Ships - Co-op Warehouse
Item #: SL-417 -

    Cooperates with the SD-9300 Multifunction meter as a professional sound level meter.Features 30 to 130 dB, 3 ranges Frequency weighting networks are designed to meet the IEC 61672 class 2 A weighting networks are conformity to standards Fast Time weighting dynamic characteristic modes Condenser microphone for high accuracy & long-term stability Over/Under indicator Low battery indicator Electric condenser microphone Size of microphone: 1/2 inch standard size DatasheetManual ...

    SD Series Conductivity/TDS/Salinity Datalogger, includes Traceable Certificate SD-4307, Reed Instruments, Conductivity Meter, TDS Meter, Salinity Meter, Datalogger, Testing Equipment, Measuring Equipment
    Free Ground >$175
    Retail: $714.99
    Price: $655.15
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    Availability: Drop Ships - Co-op Warehouse
    Item #: SD-4307-NIST -

      This SD Series datalogger is capable of measuring conductivity, total dissolved solids (TDS) and salt levels in water. The SD-4307 features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live...

      Professional pH Electrode for REED SD-230 Meter, 130mm PE-01, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, pH Electrode
      Free Ground >$175
      Retail: $164.99
      Price: $132.49
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      Availability: Drop Ships - Co-op Warehouse
      Item #: PE-01 -

        This professional pH electrode connects to the REED SD-230 pH/ORP datalogger.Features0 to 14.00pH rangeEpoxy body with BNC connector36" cableIncludes bottle of storage solution to keep sensor properly moistenedDimensions: 9.5mm dia. x 130mm longDatasheet

        pH Buffer Solution, 4pH PH-04, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, pH Buffer Solution, Buffer Solution
        Free Ground >$175
        Retail: $21.99
        Price: $17.02
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        Availability: Drop Ships - Co-op Warehouse
        Item #: PH-04 -

          This bottle contains 1.5oz (45ml) of 4.0 pH buffer solution. For use with REED pH meters. Included table displays what the pH value should be given the buffer solution temperature.

          Digital pH Meter/Pen, 0.00 to 14.00 pH, Waterproof, includes Traceable Certificate 8689, Reed Instruments, pH Meter, pH Meter Pen, Testing Equipment, Measuring Equipment
          Free Ground >$175
          Retail: $439.99
          Price: $375.59
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          Availability: Drop Ships - Co-op Warehouse
          Item #: 8689-NIST -

            This Digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The 8689 features automatic temperature compensation for accurate readings and includes easy one touch calibration.This product includes a Traceable Certificate with full Data and Uncertainties. FeaturesDual LCD displays temperature and pH measurementsUser selectable °F or °C Automatic temperature compensationOne touch calibration with adjustable pointsEasily replaceable pH electrode moduleData hold...

            6-in-1 Multi-Function Environmental Meter LM-8000, Reed Instruments, Environmental Testing, Environmental Meter, Multifunction Meter, Wind Meter, Testing Equipment, Measuring Equipment
            Free Ground >$175
            Retail: $219.99
            Price: $193.26
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            Availability: Drop Ships - Co-op Warehouse
            Item #: LM-8000 -

              This compact 6-in-1 environmental meter measures air velocity, air temperature, ambient temperature, relative humidity, light and contact temperature. The LM-8000 features Data Hold, Minimum/Max functions and has been designed for one handed operation.FeaturesMeasures air velocity/temperature, ambient temperature, relative humidity, contact temperature and lightEasy to operate, designed for one hand operationAir velocity is measured in m/s, ft/min, km/h, mph or knotsLight levels are measured...

              Stainless Steel Digital Stem Thermometer, -40 to 482?F (-40 to 250?C), Max/Min and Data Hold, includes Traceable Certificate R2222, Reed Instruments, Thermometer, Digital Thermometer, Stem Thermometer, Digital Stem Thermometer
              Free Ground >$175
              Retail: $219.99
              Price: $200.56
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              Availability: Drop Ships - Co-op Warehouse
              Item #: R2222-NIST -

                This Stainless Steel Digital Stem Thermometer is capable of measuring -40 to 482°F (-40 to 250°C) and keeps track of maximum and minimum readings. The R2222 also features an easy-to-read LCD display and data hold function.This product includes a Traceable Certificate with full Data and Uncertainties. FeaturesStainless steel 4.65 (118mm) stem Easy-to-read LCD displayUser selectable °C, °FMax/Min and Data Hold functionsAuto shut offDatasheetManual ...

                SD Series pH/ORP Datalogger Kit, with pH and ORP Electrodes SD-230, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, Kit, pH Electrode, ORP Electrode
                Free Ground >$175
                Retail: $494.99
                Price: $444.87
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                Availability: Drop Ships - Co-op Warehouse
                Item #: SD-230-KIT2 -

                  This SD series pH and ORP datalogging meter is capable of measuring 0.00 to 14.00 pH and 0 to 1999 mV (ORP). The SD-230 features automatic temperature compensation, Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a...

                  Sound Level Adaptor for the REED SD-9300, includes Traceable Certificate SL-417, Reed Instruments, Environmental Testing, Environmental Meter, Datalogger, Multifunction Meter, Sound Level Adaptor, Testing Equipment, Measuring Equipment
                  Free Ground >$175
                  Retail: $549.99
                  Price: $503.22
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                  Availability: Drop Ships - Co-op Warehouse
                  Item #: SL-417-NIST -

                    This product includes a Traceable Certificate with full Data and Uncertainties. Cooperates with the SD-9300 Multifunction meter as a professional sound level meter.Features 30 to 130 dB, 3 ranges Frequency weighting networks are designed to meet the IEC 61672 class 2 A weighting networks are conformity to standards Fast Time weighting dynamic characteristic modes Condenser microphone for high accuracy & long-term stability Over/Under indicator Low battery indicator Electric condenser...

                    SD Series Environmental Meter, Datalogger (Air Velocity/Temp, Light, Ambient Temperature, Humidity),includes Traceable Certificate SD-9300, Reed Instruments, Environmental Testing, Environmental Meter, Datalogger, Multifunction Meter, Wind Meter, Testing Equipment, Measuring Equipment
                    Free Ground >$175
                    Retail: $989.99
                    Price: $819.25
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                    Availability: Drop Ships - Co-op Warehouse
                    Item #: SD-9300-NIST -

                      This 7-in-1 environmental meter measures air velocity, air temperature, ambient temperature, relative humidity, light and contact temperature measurements. The SD-9300 is also capable of sound level measurements with the SL-417 adapter (optional). Using a SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file on a SD card without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC...

                      Stainless Steel Digital Stem Thermometer, -40 to 450?F (-40 to 230?C), Waterproof R2000, Reed Instruments, Thermometer, Digital Thermometer, Stem Thermometer, Digital Stem Thermometer
                      Free Ground >$175
                      Retail: $27.49
                      Price: $24.31
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                      Availability: Drop Ships - Co-op Warehouse
                      Item #: R2000 -

                        This Stainless Steel Digital Stem Thermometer features an easy-to-read LCD display, which updates automatically every 2 seconds. The R2000 contact thermometer is capable of measuring -40 to 450°F (-40 to 230°C) and includes an easily accessible calibration screw for quick adjustments.FeaturesStainless steel 4.75 (121mm) stem Waterproof constructionNSF certifiedEasy-to-read LCD displayUser selectable °C, °FCalibration screw for quick adjustmentsAuto shut offDatasheetManual ...

                        General Purpose pH Electrode for REED SD-230, 160mm PE-03, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, pH Electrode
                        Free Ground >$175
                        Retail: $87.99
                        Price: $71.71
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                        Availability: Drop Ships - Co-op Warehouse
                        Item #: PE-03 -

                          This general purpose pH electrode connects to the REED SD-230 pH/ORP datalogger.Features0 to 13.00pH rangeEpoxy body with BNC connector36" cableIncludes bottle of storage solution to keep sensor properly moistenedDimensions: 12.3mm dia. x 160mm longDatasheet

                          pH Buffer Solution, 7pH PH-07, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, pH Buffer Solution, Buffer Solution
                          Free Ground >$175
                          Retail: $21.99
                          Price: $17.02
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                          Availability: Drop Ships - Co-op Warehouse
                          Item #: PH-07 -

                            This bottle contains 1.5oz (45ml) of 7.0 pH buffer solution. For use with REED pH meters.Included table displays what the pH value should be given the buffer solution temperature.

                            Replacement PH Electrode for REED 8689 86P8, Reed Instruments, pH Meter, pH Meter Pen, Testing Equipment, Measuring Equipment, Replacement Electrode, Replacement pH Electrode
                            Free Ground >$175
                            Retail: $54.99
                            Price: $47.40
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                            Availability: Drop Ships - Co-op Warehouse
                            Item #: 86P8 -

                              This pH electrode measures 0.00 to 14.00 pH and is a replacement for the REED 8689 digital pH meter.Datasheet

                              ATC Temperature Probe for REED SD-230 TP-07, TP 07, TP07, Reed Instruments, Reed, Testing Equipment, Measuring Equipment, ATC Temperature Probe, pH Tester, SD-230
                              Free Ground >$175
                              Retail: $65.99
                              Price: $59.56
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                              Availability: Drop Ships - Co-op Warehouse
                              Item #: TP-07 -

                                This Automatic Temperature Compensation (ATC) probe connects to the SD-230 pH/ORP Datalogger for increased accuracy.Datasheet

                                Stainless Steel Digital Stem Thermometer, -40 to 450?F (-40 to 230?C), Waterproof, includes Traceable Certificate R2000, Reed Instruments, Thermometer, Digital Thermometer, Stem Thermometer, Digital Stem Thermometer
                                Free Ground >$175
                                Retail: $219.99
                                Price: $200.56
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                                Availability: Drop Ships - Co-op Warehouse
                                Item #: R2000-NIST -

                                  This Stainless Steel Digital Stem Thermometer features an easy-to-read LCD display, which updates automatically every 2 seconds. The R2000 contact thermometer is capable of measuring -40 to 450°F (-40 to 230°C) and includes an easily accessible calibration screw for quick adjustments.This product includes a Traceable Certificate with full Data and Uncertainties. FeaturesStainless steel 4.75 (121mm) stem Waterproof constructionNSF certifiedEasy-to-read LCD displayUser selectable °C,...

                                  6-in-1 Multi-Function Environmental Meter, includes Traceable Certificate LM-8000, Reed Instruments, Environmental Testing, Environmental Meter, Multifunction Meter, Wind Meter, Testing Equipment, Measuring Equipment
                                  Free Ground >$175
                                  Retail: $769.99
                                  Price: $697.70
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                                  Availability: Drop Ships - Co-op Warehouse
                                  Item #: LM-8000-NIST -

                                    This compact 6-in-1 environmental meter measures air velocity, air temperature, ambient temperature, relative humidity, light and contact temperature. The LM-8000 features Data Hold, Minimum/Max functions and has been designed for one handed operation.This product includes a Traceable Certificate with full Data and Uncertainties. FeaturesMeasures air velocity/temperature, ambient temperature, relative humidity, contact temperature and lightEasy to operate, designed for one hand operationAir...

                                    Professional ORP Electrode for REED SD-230, 130mm ORP-14, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, ORP Electrode
                                    Free Ground >$175
                                    Retail: $192.49
                                    Price: $168.95
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                                    Availability: Drop Ships - Co-op Warehouse
                                    Item #: ORP-14 -

                                      This general purpose ORP electrode connects to the REED SD-230 pH/ORP datalogger.FeaturesProfessional grade electrode with high accuracy and reliability0 to 13.00pH rangeEpoxy body with BNC connector36" cableIncludes bottle of storage solution to keep sensor properly moistened and ORP polishing stripDimensions: 12.5mm dia. x 130mm longDatasheet ...

                                      SD Series pH/ORP Datalogger, 0.00 to 14.00 pH / 0-1999 mV SD-230, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment
                                      Free Ground >$175
                                      Retail: $274.99
                                      Price: $241.88
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                                      Availability: Drop Ships - Co-op Warehouse
                                      Item #: SD-230 -

                                        This SD series pH and ORP datalogging meter is capable of measuring 0.00 to 14.00 pH and 0 to 1999 mV (ORP). The SD-230 features automatic temperature compensation, Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a...

                                        SD Series Conductivity/TDS/Salinity Datalogger SD-4307, Reed Instruments, Conductivity Meter, TDS Meter, Salinity Meter, Datalogger, Testing Equipment, Measuring Equipment
                                        Free Ground >$175
                                        Retail: $439.99
                                        Price: $399.90
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                                        Availability: Drop Ships - Co-op Warehouse
                                        Item #: SD-4307 -

                                          This SD Series datalogger is capable of measuring conductivity, total dissolved solids (TDS) and salt levels in water. The SD-4307 features Data hold, Max/Min functions, and an easy-to-read backlit LCD display. Using an SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live...

                                          General Purpose pH Electrode for REED SD-230, 130mm PE-11, Reed Instruments, pH Meter, ORP Meter, Datalogger, Testing Equipment, Measuring Equipment, pH Electrode
                                          Free Ground >$175
                                          Retail: $98.99
                                          Price: $83.87
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                                          Availability: Drop Ships - Co-op Warehouse
                                          Item #: PE-11 -

                                            This general purpose pH electrode connects to the REED SD-230 pH/ORP datalogger.Features0 to 13.00pH rangeEpoxy body with BNC connector36" cableIncludes bottle of storage solution to keep sensor properly moistenedDimensions: 10mm dia. x 130mm longDatasheet

                                            SD Series Environmental Meter, Datalogger (Air Velocity/Temp, Light, Ambient Temperature, Humidity) SD-9300, Reed Instruments, Environmental Testing, Environmental Meter, Datalogger, Multifunction Meter, Wind Meter, Testing Equipment, Measuring Equipment
                                            Free Ground >$175
                                            Retail: $357.49
                                            Price: $314.81
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                                            Availability: Drop Ships - Co-op Warehouse
                                            Item #: SD-9300 -

                                              This 7-in-1 environmental meter measures air velocity, air temperature, ambient temperature, relative humidity, light and contact temperature measurements. The SD-9300 is also capable of sound level measurements with the SL-417 adapter (optional). Using a SD card (max 16Gb), a user can select a desired sampling rate and quickly generate an Excel file on a SD card without the use of software. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC...

                                              Digital pH Meter/Pen, 0.00 to 14.00 pH, Waterproof 8689, Reed Instruments, pH Meter, pH Meter Pen, Testing Equipment, Measuring Equipment
                                              Free Ground >$175
                                              Retail: $137.49
                                              Price: $120.33
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                                              Availability: Drop Ships - Co-op Warehouse
                                              Item #: 8689 -

                                                This Digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The 8689 features automatic temperature compensation for accurate readings and includes easy one touch calibration.FeaturesDual LCD displays temperature and pH measurementsUser selectable °F or °C Automatic temperature compensationOne touch calibration with adjustable pointsEasily replaceable pH electrode moduleData hold functionWaterproof housing (IP65)Protective cap keeps sensor moistenedLow battery...

                                                Stainless Steel Digital Stem Thermometer, -40 to 482?F (-40 to 250?C), Max/Min and Data Hold R2222, Reed Instruments, Thermometer, Digital Thermometer, Stem Thermometer, Digital Stem Thermometer
                                                Free Ground >$175
                                                Retail: $27.49
                                                Price: $24.31
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                                                Availability: Drop Ships - Co-op Warehouse
                                                Item #: R2222 -

                                                  This Stainless Steel Digital Stem Thermometer is capable of measuring -40 to 482°F (-40 to 250°C) and keeps track of maximum and minimum readings. The R2222 also features an easy-to-read LCD display and data hold function.FeaturesStainless steel 4.65 (118mm) stem Easy-to-read LCD displayUser selectable °C, °FMax/Min and Data Hold functionsAuto shut offDatasheetManual ...