Combination Water Meter Kit with DO Probe
Combination Water Meter Kit with DO Probe
Combination Water Meter Kit with DO Probe
Combination Water Meter Kit with DO Probe
Combination Water Meter Kit with DO Probe
Combination Water Meter Kit with DO Probe
Sper Scientific Direct


Combination Water Meter Kit with DO Probe

The Sper 850048 Combination Water Meter can Measure Dissolved Oxygen, pH, Conductivity, TDS, Salinity or Temperature Using Different Probes.

The kit includes includes one DO probe. Additional probes (optional) also allow it to operate as a highly accurate pH meter, Conductivity meter, TDS meter, Salinity meter or DO meter as desired.

Probes change are easily changed and include specially designed guards to prevent tip damage. This meter is the ideal tool for numerous professional water testing applications including: aquaculture, laboratories, swimming pools, spas and water treatment facilities.

  • Large, backlit LCD can display multiple parameters including: pH, Conductivity, TDS, Salinity, Dissolved Oxygen, Temperature
    (using different probes)
  • Displayed parameter is determined by probe type
  • Green backlight for dark environment
  • Fast measuring of Dissolved Oxygen value
  • Accurate, replaceable probes with safety caps
  • Auto ranging conductivity measurement
  • Auto temperature compensation (ATC)
  • 99 points memories w/recall function
  • Multiple points calibration: 3 points for pH, 1 point for DO, 4 points for conductivity
  • Manually altitude and salinity compensation function for DO measurement
  • Available replacement probes
  • Temperature unit ℃/℉ is switchable
  • 1 hour auto power off


pH Measuring Range


pH Resolution


pH Accuracy


Conductivity Measuring Range

0~199.9, 0~1999 us/cm
 0~19.99, 0~150.0 ms/cm 

Conductivity Resolution

0.1 us/cm, 1 us/cm, 0.01ms/cm, 0.1 ms/cm

Conductivity Accuracy

±1% of F.S ±1 digit

TDS Measuring Range

0~199.9*f, 0~1999*f ppm
0~19.99*f, 0~150.0*f ppt
(f is TDS factor)

TDS Resolution

±1% of F.S ±1 digit

TDS Accuracy

0.1, 1ppm, 0.01, 0.1ppt

TDS Factor


Salinity Measuring Range

0~10.00 ppt, 0~42.0 ppt (SEA Water)

Salinity Resolution

0.01 ppt, 0.1 ppt

Salinity Accuracy

±1% of F.S ±1 digit

D.O. Measuring Range

0.0~199.9% (0.0~30.0 mg/L)

D.O. Resolution


D.O. Accuracy

±3% of F.S ±1 digit

Temperature Measuring Range


Temperature Resolution


Temperature Accuracy


Compatible Probe

pH probe, EC probe, D.O. Probe

LCD Size

44(L) * 26(W) mm

Operating Temperature


Operating RH%

Humidity <80%

Storage Temperature


Storage RH%

Humidity <90%

Meter Size

175(L) * 70(W) * 33(H)mm




AAA battery *4 PCS

Standard Package

Combo Meter, D.O. Probe, D.O. Electrolyte, 2 Heads, 4 AA Batteries, Manual, Hard Carry Case 

Optional Probes

pH Probe, Conductivity Probe,

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