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Conductivity Meters, continued
SPER Portable Conductivity Pen
This portable conductivity pen is simple to use with one-handed operation!
Simultaneously displays the parameter being measured and temperature in °C or
°F. Features automatic temperature compensation, 2-pt. calibration, auto power-off,
hold function and a low-battery indicator. The case is IP65 waterproof and will float if
accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in
probe with protective cap.
Catalog No. Description Price/Each
AP10073 SPER Portable Conductivity Pen $59.75
SPER Combined Conductivity, Salinity, TDS,
Temperature Meter
The large LCD simultaneously shows conductivity, salinity or TDS in large digits with
time, date and temperature (in °C or °F) on the lower display. Scroll 99 data points
with time stamps, min/max and average readings. Also features hold, manual or auto
range and automatic temperature compensation.
Catalog No. Description Price/Each
AP10068 SPER Combined Conductivity, Salinity,
TDS, Temperature Meter
Corks
Corks offered are high quality; well suited for laboratory use. Regular length. For size
dimensions see the cork size chart below.
Corks
Catalog No. Description Size Price/Pkg. of 100 Price/3 Pkgs.
AP8867 Corks 000 $ 5.90 $ 16.74
AP4315 00 5.90 16.65
AP8300 0 6.69 18.87
AP8301 1 7.36 20.76
AP8302 2 8.10 22.83
AP8303 3 8.50 23.97
AP8304 4 9.32 26.28
AP8305 5 10.65 30.00
AP8306 6 11.50 32.85
AP8307 7 13.95 39.75
AP8308 8 15.50 44.25
AP8309 9 16.95 48.30
AP8310 10 20.10 57.30
AP8311 11 24.45 69.75
AP8312 12 33.40 95.25
AP8314 14 43.45 123.90
AP8316 16 50.90 145.05
APPARATUS CONDUCTIVITY METERS
Corks
AP8867, etc.
Cork Size Chart
Top and bottom diameters in millimeters.
Size Top Bottom Size Top Bottom Size Top Bottom
000 7 4 5 17 13 12 29 22
00 9 6 6 19 14 13 30 24
0 10 7 7 21 16 14 32 25
1 11 8 8 22 17 15 33 27
2 13 10 9 24 19 16 35 28
3 14 11 10 25 19 20 41 35
4 16 12 11 27 21 24 48 41
Free How to Select Corks video at flinnsci.com.
$294.00
SPER Combined
Conductivity, Salinity,
TDS, Temperature Meter
AP10068
Size Your Cork Stoppers
Continuous circle is outside diameter at top of cork.
Broken circle is outside diameter at bottom of cork.
000 00 0 1 2 3 4 5 6
7 8 9 10 11
12 13 14 15 16
Note: Rubber stopper sizes are different from corks.
Current Indicator
Quickly determine the conductivity of a solution with this low-priced current indicator.
A red LED is illuminated if the solution conducts electricity. For use with 24-well
reaction plates or combination plates. 9-V battery required, but not included.
Catalog No. Description Price/Each
AP9018 Current Indicator $8.06
Current Indicator
AP9018
CORKS continued on next page.
SPER Portable
Conductivity Pen
AP10073
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