SKU: 78348696251

Combination Water Meter Kit with Dissolved Oxygen Probe

Sale price$207.00 Regular price$230.00
Save 10%

Pay in installments of $57.50 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Combination Water Meter Kit with Dissolved Oxygen ProbeThis Multi Purpose Water Meter can Measure Dissolved Oxygen (DO) , 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

This Multi-Purpose Water Meter can Measure Dissolved Oxygen (DO) , 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

#850048DOK Kit includes: Combo Meter, DO Probe, (2) Heads, Battery, Manual, Hard Carry Case 

Specifications

Model

850048

pH Measuring Range

2.00~12.00

pH Resolution

0.01

pH Accuracy

±0.1

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

0.30~1.00

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

0.1

D.O. Accuracy

±3% of F.S ±1 digit

Temperature Measuring Range

-5~60.0℃

Temperature Resolution

0.1

Temperature Accuracy

±0.5℃

Compatible Probe

pH probe, EC probe, D.O. Probe

LCD Size

44(L) * 26(W) mm

Operating Temperature

0~50℃

Operating RH%

Humidity <80%

Storage Temperature

0~60℃

Storage RH%

Humidity <90%

Meter Size

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

Weight

~200g

Battery

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,

Downloads



 

Comparison Chart

Compare Sper Scientific Dissolved Oxygen (DO) Meters


Model Number 850045 850048DOK 850081DOK 860055 860067 860073
Product Name Waterproof DO Meter Pen Combination Water Meter Kit w/ DO Probe Dissolved Oxygen Meter Kit Rechargeable DO Pen w/ 5 Meter Cable Optical Dissolved Oxygen Meter Portable Optical Dissolved Oxygen Meter
DO Range (% Saturation) 0–100% O₂ in air 0–200% 0–100.0% 0.0–199.9% 0.0–200.0% 0-200%
DO Range (mg/L) 0–20.0 mg/L 0–20.0 mg/L 0–20 mg/L 0.00–20.00 mg/L 0.0–20.0 mg/L 0 -20 mg/L
DO Accuracy (mg/L) ±0.4 mg/L ±0.4 mg/L ±0.4 mg/L ±0.4 mg/L <5: ±0.3 mg/L≥5: ±0.4 mg/L ±0.3mg/L
DO Resolution (mg/L) 0.1 mg/L 0.1 mg/L 0.1 mg/L 0.01 mg/L 0.1 mg/L 0.01mg/L
DO Accuracy (%) ±0.7% O₂ ±2% F.S. ±0.7% O₂ ±3% F.S. ±3% of Full Scale ±3%
DO Resolution (%) 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%
Temp. Range 0–50°C / 32–122°F 0–50°C / 32–122°F 0–50°C / 32–122°F 0–50.0°C / 32–122°F 0–40.0°C / 32–104°F 0°–45°C / 32°–113°F
Temp. Accuracy ±0.8°C / 1.5°F ±0.5°C / 0.9°F ±0.8°C / ±1.5°F ±0.5°C / 0.9°F ±0.5°C (0.9°F) ±0.5°C / 0.9°F
Temp. Resolution 0.1°C 0.1°C 0.1°C 0.1°C 0.1°C 0.1°C
Auto Temp. Comp. (ATC) 10–40°C 0–40°C
Salinity Resolution 0.1 ppt 0.1 ppt
Barometric Pressure Comp. Manual (altitude) Manual (altitude) 500–760 mmHg(66.7–101.3 kPa) Manual, 50–115 kPa Manual (altitude)
DO Calibration 1-Point (air) 1-Point (air) 1-Button (air) 1-Point (100% air) 2-Point (0% & 100%) 2-Point (0% & 100%)
Probe Technology Polarographic DO probe Polarographic DO probe Polarographic DO probe Polarographic DO probe Optical (fluorescent) DO probe Optical (fluorescent) DO probe
Sensor Warmup Time ~30 min (cal.) ~30 min (cal.) <60 seconds None ~10 min (cal.)
Sensor Response Time <30 seconds Fast
Sensor/Probe Lifetime >6 months >1 year >1 year
Measures pH (optional probe) (optional probe)
Measures ORP / mV (optional probe)
Measures Conductivity/TDS (optional probe) (optional probe)
Measures Salinity Via compensation (optional probe) (optional probe) Via compensation Via compensation Via compensation
Memory / Data Storage Max/Min record 99 memory points 99 memory points +100,000 memory points
RS232 / Data Output RS232 USB
Display Type Dual LCD Large backlit LCD Backlit LCD Backlit LCD Large LCD Large LCD
Simultaneous DO & Temp.
Backlight
Battery Type (4) AAA (4) AAA 9V 3.7V 500mAh Rechargeable Li-ion (6) AAA Rechargeable Li-ion
Charging USB Type-C(~1.5 hr) USB
IP Rating IP-67 IP-67 IP-67 Housing / IP-68 Sensor
Spare Probe Heads 2 spare probe heads 2 spare probe heads 2 spare probe heads 2 spare probe heads
Electrolyte Solution


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78348696251

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 10 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
J
Chelsea, US
★★★★★ 5
Exactly as expected
Color: Black, Size: Medium (8.5-14''W x 12''D), Color: Black, Size: Medium (8.5-14''W x 12''D)
This expandable silverware organizer made such a difference in my kitchen drawers. It sounds dramatic for a utensil organizer, but it genuinely made everything feel cleaner, more organized, and less chaotic. I love that it expands because it made it super easy to customize to my drawer size instead of awkwardly leaving unused space. The compartments are roomy enough to hold a lot without everything getting jumbled together, and I like that there are enough sections for silverware plus extra kitchen tools and gadgets. It helped me finally give everything a designated place, which is especially satisfying when setting up a new kitchen. Even though it’s plastic, it doesn’t feel flimsy or cheap. It feels sturdy once in the drawer, slides open smoothly, and has held up really well with daily use. I also appreciate that it’s lightweight and easy to wipe clean if crumbs or dust get inside. Overall, this is one of those simple organizational purchases that makes everyday life easier. My kitchen drawers look so much more put together now, and it’s nice not having to dig through clutter every time I need a fork or cooking utensil. Definitely worth it for anyone trying to organize their kitchen without spending a ton.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
J
Verified Purchase
judy knapp
Battle Creek, US
★★★★★ 5
Expandable drawer organizer
Color: Gray, Size: XL (13-22''W x 15''D)
Wonderful addition to the silverware drawer. It expands to fit the size of your drawer. It is well designed and well made. We are very pleased!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
C
Verified Purchase
christine
Belleville, US
★★★★★ 5
Worth the money
Color: Black, Size: Medium (8.5-14''W x 12''D)
Made well and fits nicely is drawer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
S
Verified Purchase
Shivani
Whiting, US
★★★★★ 5
Excellent Quality Bamboo Cutting Board Set – Durable, Beautiful & Practical!
Color: Carbonized, Size: 3-piece
I’m very impressed with this 3-piece bamboo cutting board set! The different sizes are perfect for all my kitchen needs, from chopping vegetables and fruits to preparing meat and serving cheese. The bamboo is sturdy, smooth, and feels very high quality. I love the deep juice grooves, which help keep my countertops clean when cutting juicy fruits or meats. The boards arrived well-finished and pre-oiled, and they have held up beautifully without cracking or warping. They are lightweight enough to handle easily but still solid and durable. The natural bamboo look adds a nice touch to my kitchen, and cleaning them is quick and simple. Overall, this is an excellent value for the quality and versatility you get. Highly recommend to anyone looking for reliable, attractive cutting boards!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
H
Verified Purchase
H Salib
Port Orchard, US
★★★★★ 5
Excellent Value.
Color: Carbonized, Size: 3-piece
These cutting boards are well made, sturdy, and look great in the kitchen. The three sizes are very practical, and the price makes this set an excellent value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

recommand products