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pH Meters, continued Vernier Probeware See pages 634–635.
Flinn pH Meter
• Large easy-to-read display
• Replaceable electrode
• Slim design easily fits into test tubes
• One 3 V battery is included.
• Can be immersed to a depth of 80 mm
• Store the electrode with a few drops of pH 7 buffer or tap water.
Never use deionized or distilled water and never store dry.
• Upon receipt, pH meters must be removed from packaging and
stored according to included instructions.
Range: -2.00–20.00 pH Resolution: 0.01 pH
Accuracy: Better than ±0.02 pH Calibration: 3 point
Battery Life (1 x 3 V): 3,000 hours Dimensions: 188 x 50 x 17 mm
Catalog No. Description Price/Each
Price/Each
Quantity
3–5
Price/Each
Quantity
6–11
Price/Each
Quantity
12 or more
AP8673 Flinn pH Meter $51.10 $50.10 $49.15 $48.30
AP7215 Replacement Electrode* 22.65 22.40 22.20 22.00
*For meters purchased 2019 or later.
Flinn pH Calibration Kit
The Flinn pH calibration kit includes 100-mL bottles of pH 4
and pH 7 solutions, calibration screwdriver, and instructions.
Catalog No. Description Price/Each
AP8720 Flinn pH Calibration Kit $15.25
SPER Test Tube pH Pen
Simple-to-use test tube pH pen is designed for one-handed operation.
Highly stable and accurate readings with a large LCD display, it
automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to
recognize non-standard buffers as well. Features hold function and auto
power-off with low battery indicator. The case is IP65 waterproof and will
float if accidentally dropped into the water. Comes with 2 button-cell
batteries and a built-in electrode that is kept moist with a protective cap.
Catalog No. Description Price/Each
AP10069 SPER Test Tube pH Pen $61.80
pH Meter Accuracy
The accuracy of pH meters depends on the accuracy of the buffer solutions used for calibration.
For greatest accuracy, use only fresh and accurately prepared buffer solutions
when calibrating your pH meter.
SPER Portable pH Pen
Highly stable and accurate readings with a large LCD display. Designed
for simple one-handed operation. Automatically calibrates to pH 4, 7
and 10 buffers. Features hold function and auto power-off with lowbattery
indicator. Displays temperature in both ºC and ºF. Comes in a
waterproof case and will float if accidentally dropped into the water.
Catalog No. Description Price/Each
AP10071 SPER Portable pH Pen $87.55
Oyster pH Meter
The Oyster pH meter is perfect for use in the lab or outside in the
field. Unique impact-resistant case design offers large 1/2" LCD
display built into an adjustable hinged cover. Microprocessorbased
unit with splash proof housing and front panel tactile
touch pad to set slope and calibrate. Meter automatically shuts
off when cover is closed. pH range is 0–14 with accuracy of
0.02 pH and resolution of 0.01 pH. Manual or automatic temperature compensation
from 0–100 °C. Operates on 9 Volt battery for 100 hours of continuous use. Includes pH
electrode, sample pH buffers, neck strap, carrying case, and a 9 Volt battery.
Catalog No. Description Price/Each
AP8901 Oyster pH Meter $261.00
AP1430 Replacement 9 Volt Alkaline Battery 5.65
Portable pH Meter Kit
With its low cost, and features you only expect on
high-end benchtop pH meters, this pH/mV/temperature
meter is perfect for any lab. Its lightweight design
and hard plastic carrying case make it portable and
easy to use in the field.
• Range: 0–14 pH, -499–499 mV, -5–80 °C
• Resolution: 0.01 pH, 0.1 mV, 0.1 °C
• Accuracy: ±0.02 pH, ±0.2 mV, ±1 °C
• Manual or automatic temperature compensation
• Automatic buffer recognition
• Scroll 99 data points and display maximum and minimum readings
• Simultaneous display of pH or mV, temperature, time, and date
• Automatic battery shutoff, low battery indicator, and USB port
Includes instruction manual, 4 AAA batteries, detachable temperature compensated
pH probe with 31/2' cable, pH buffers 4, 7, and 10, and distilled water. 5-year
warranty. Meter will accept any pH electrode with a BNC connector. Replacement ATC
electrode is available separately.
Catalog No. Description Price/Each
AP7708 Portable pH Meter Kit $344.00
AP7561 ATC/pH Replacement Electrode 82.85
Flinn Desktop
Digital pH Meter
Measure pH and temperature with the Desktop Digital pH Meter. The pH and
temperature readings are easy to adjust on the large easy-to-read blue screen using
the keyboard’s buttons. The unit is easy to calibrate and operate for all of your pH and
temperature data collections. The unit comes with a pH meter,
rechargable pH composite electrode, electrode holder, power
adapter, pH standard buffer solution and instruction manual.
• Measuring ranges: 0.00–14.00 pH range, 0–1999
mV, 0–60 °C
• Resolution: pH: 0.01, mV: 1 mV
• Accuracy: pH: ±0.02, mV: 0.1 mV–1 mV
• AC power supply (220 V)
• Dimensions (mm): 290 x 210 x 95
Catalog No. Description Price/Each
AP9701 Flinn Desktop Digital pH Meter $530.00
pH and Conductivity Meter, Benchtop
This affordable benchtop meter does it all—pH, mV, conductivity, total dissolved solids
(TDS), salinity and temperature. Designed for student use with durable construction
and easy operation, this meter is perfect for the school science lab. Results measured
together with time, date and temperature are easy to read on a large LCD display.
• Range: 0–14 pH, -1999–1999 mV, 0–1999 μS/cm, -5–80 ºC
• Resolution: 0.01 pH, 0.1 mV, 0.01–1 μS/cm, 0.1 ºC
• Accuracy: ±0.02 pH, ±0.2 mV, ±1% fs + 1d, ±0.5 ºC
• Automatic or manual temperature compensation
pH METERS continued on next page.
and ranging
• Automatic buffer recognition
• Digital and analog outputs; Min/Max and 99
data points
• Data hold
• 5 calibration points
• Electrode status indication
Comes ready for use with ATC conductivity and pH electrodes, multiple electrodes
holder arm, AC adapter, computer cable and software. Meter will accept any pH or
ORP probe with a standard BNC connector. Dimensions: 81/2" x 61/2" x 21/4".
Catalog No. Description Price/Each
AP7452 pH and Conductivity Meter, Benchtop $472.00
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