This page is a survey of all the commercially available water quality testing equipment. Please add to the table if you are aware of tools that are not yet listed.

Make multiple tables sort by class. Read [1] for background.

Compilation of Water Testing hardware for TDS/TSS
Product/Link Testing Type Specifications/ranges OS Price
HM Digital Meters Handheld Water Total Dissolved Solids Tester - AP-1 Range: 0-5000 ppm (mg/L)
Resolution: 1 ppm
$20.80
Digital HM TDS0-999 Meter/ Tester, Water/ ppm/ Purity Range:0-9990ppm/mg/ L
Accuracy:±2%
$14.99
TDS Test Meter by SGS Instrument Range-500-10,000 PPM
Accuracy- 2% of Scale
$299.00
Compilation of Water Testing hardware for DO
Product/Link Testing Type Specifications/ranges OS Price
MW600 Portable Meter Range:0.0 to 19.9 mg/l
Resolution:0.1 mg/l
Accuracy:±1.5% Full Scale
$169.00
Water Testing Kit, Oxygen Range:0.2 to 10 PPM
Sensitivity:0.2 PPM
$74.30
Compilation of Water Testing hardware for ORP
Product/Link Testing Type Specifications/ranges OS Price
HM Digital ORP-200 ORP Meter Water Tester w/ Temp. Accuracy: 0.5% (+/- 2mV)
Range: -999 to +1000 mV
Resolution: 1 mV
no $92.99
Ultrapen PT3 Digital ORP and Temperature Meter Accurate (+/- 10mV ORP) no $179.99
Compilation of Water Testing hardware for conductivity
Product/Link Testing Type Specifications/ranges OS Price
Oakton EcoTestr EC Low pocket conductivity tester Tester Range:0µS to 1999 mS
Resolution:10 µS; 0.10 mS
Accuracy:±1% full-scale
no $60.00
CDB-210 analog meter 0.2 to 20,000 mS (0.1 to 10,000 ppm)
Conductivity Meter Tester 10 levels $24.50
Rugged waterproof conductivity meter Range:0.0 to 199.9uS & 0 to 1999uS & 0.00 to 19.99mS & 0.0 to 199.9mS
Resolution:0.1uS & 1uS & 0.01mS & 0.1mS
Accuracy:+/-1% full scale
$444.60
Compilation of Water Testing hardware for pH
Product/Link Testing Type Specifications/ranges OS Price
Hydrion 93 S/R Insta-Check Test Paper 0-13 pH no $5.25
HI208 Educational pH Meter probe Range:-2.00 to 16.00 pH
Resolution:0.01 pH
Accuracy:±0.02 pH
no $198.00
Milwaukee pH600 pH Meter Pen Range: 0.0-14.0 pH
Resolution: 0.1 pH
Accuracy: +/- 0.2 pH
no $23.99
Compilation of Water Testing hardware for COD
Product/Link Testing Type Specifications/ranges OS Price
COD Analyzer (Chemical Oxygen Demand Analyzer) Measuring range: (0.0~100.0)mg/L (100.0~1000)mg/L
The electrolysis current is divided into 10mA,20mAand 40mA.
Accuracy: ±2%FS
$999 - 1,999
COD meter 5B-2A Digesting temp. 165 ± 1
Digesting time: 10mins
Measuring range: 5-5000mg/L
Measuring time: 4 samples could be measured in same time.
Anti-chlorine disturbance: Cl1000mg/L Cl4000mg/L (be selected)
Accuracy: COD=50mg/L when V<10%, COD=300mg/L when V<5%
$1,000 - 3,000
C.O.D. TEST VIAL METER Range:0 to 15000 mg/L
no $896.00
COD and Multiparameter Bench Photometer dichromate Range:0 to 15000 mg/L (ppm) no $1,109.00
Compilation of Water Testing hardware for BOD
Product/Link Testing Type Specifications/ranges OS Price
BODTrak II Respirometric BOD Apparatus Range:0 - 700 mg/L $2,250.00
ProOBOD-Self-Stirring-Optical-BOD & Probe Optical Range:0 to 50 mg/L
Accuracy:0 to 20 mg/L, ±1% of the reading or ±0.1 mg/L, whichever is greater; 20 to 50 mg/L, ± 10% of the reading
Resolution:0.01 mg/L
no $2770.00
Compilation of Water Testing hardware for turbidity
Product/Link Testing Type Specifications/ranges OS Price
T-100 Turbity Meter Range:0 to 1000 NTU
Accuracy:±2% of measurement from 0 to 500 NTU; ±3% of measurement from 501 to 1000 NTU
Repeatability:±0.01 NTU or ±1% of measurement
no $669.60
Extech TB400 Portable Turbidity Meter Kit Resolution:0.01, 1 NTU
Range:0.00 to 50.00 NTU, 50 to 1000 NTU
Accuracy:+/- 5% full scale
$599.00
Turbidity Meter, EPA Range 0 to 4000 NTU
Resolution 0.01, 0.1 and 1 NTU
$1,118.00
Compilation of Water Testing hardware for combination devices
Product/Link Testing Type Specifications/ranges OS Price
Multiparameter PCS Testr 35 pH, conductivity, TDS, salinity and temperature Range
pH: 0.0 to 14.0
Conductivity: 0 to 200 uS; 201 to 2000 uS; 2.01 to 20.00 mS
TDS: 0 to 100.0 ppm; 100 to 1000 ppm;01.00 to 10.00 ppt
Salinity: 0 to 999 ppm
Temp: 32 to 122°F (0 to 50°C) 2.01 to 10.00 ppt
Resolution
pH:0.1 pH
Conductivity: 10 uS, 0.1 mS
TDS: 0.1 ppm, 1 ppm; 0.01 ppt
Salinity: 0.1 below 100 ppm/1 ppm above
Temperature: 0.1°
Accuracy
pH: ±0.1 pH
Conductivity: ±1% full-scale
TDS: ±1% full-scale
Salinity: ±1% full-scale
Temperature:±0.5°C,±0.9°F
no $169.00
DiST®5 conductivity, TDS, temp. Range
EC 0 to 3999 µS/cm
TDS 0 to 2000 ppm
Temperature 0.0 to 60.0°C or
32.0 to 140.0°F
Resolution
EC 1 µS/cm
TDS 1 ppm
Temperature 0.1°C or 0.1°F
Accuracy(@ 20°C/68°F)
EC ±2% Full Scale
TDS ±2% Full Scalem
Temperature ±0.5°C or ±1°F
$53.00
5-in-1 Multi-Parameter Water Quality Meter electrical conductivity, total disolved solids, conductivity factor, pH, oxidation reduction potential, temperature Measure Range
pH: 0.00 to 14.00
Temperature: -50 to 70°C (-58 to 158°F)
EC: 0.00 to 19.99 mS/cm
CF: 0.0 to 199
TDS: 10 to 19990 ppm
mV: 0 to ±1999 temp.
Resolution
pH: 0.01
Temperature: 0.1°C (0.2°F)
EC: 0.01
CF: 0.1
TDS: 10 ppm
mV: 1
Accuracy
pH: ±0.1
Temperature: ±1.0°C (2.0°F)
EC, CF, TDS: ±2% FS
mV: ±0.1% FS ±1 digit
no $333.00
Cookies help us deliver our services. By using our services, you agree to our use of cookies.