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Water Quality Meter Comparison
(back to Water Quality Meters)

pH Meters

 

Model

pH

Chlorine (PPM)

ORP
(mV)

Conductivity

TDS/Salinity

Temp

Max Resolution

Basic Accuracy

Price

ph pen

PH50
pH Pen

2.0 to 12.0pH

1 1 1 1 1

0.01pH
0.1º

0.3pH

$40.00

ph pen

PH60
pH Pen

0.0 to 14.0pH

1 1 1 1

32 to 122ºF
(0 to 50ºC)

1

0.2pH
1ºF/0.5ºC

$50.00

ph meter gel filled

PH100
pH Meter
(gel filled)

0.0 to 14.0pH

1 1 1 1

23º to 194ºF
(-5 to 90ºC)

0.01pH
0.1º

0.01pH
1.8ºF/1ºC

$89.00

ph meter refillable

PH110
pH Meter
(refillable)

0.0 to 14.0pH

1 1 1 1

23º to 194ºF
(-5 to 90ºC)

0.01pH
0.1º

0.01pH
1.8ºF/1ºC

$99.00

palm ph meter

PH220-S
Palm pH Meter

0.0 to 14.0pH

1

-999 to 999mV

1 1

32º to 212ºF
(0 to 99.9ºC)

0.01pH
1mV
0.1º

0.01pH
2mV
0.08ºF

$129.00

pH/ mV/ Temp

Oyster-15
pH/ mV/ Temp
Meter

0.0 to 14.0pH

1

-999 to 999mV

1 1

32º to 212ºF
(0 to 99.9ºC)

0.01pH
1mV
0.1º

0.02pH
2mV
0.08ºF

$199.00

heavy duty ph/mV/temp meter

407227
Heavy Duty pH/
mV/ Temp Meter

0.0 to 14.0pH

1

0 to 1999mV

1 1

32º to 212ºF
(0 to 99.9ºC)

0.01pH
1mV
0.1º

0.03pH
.05mV
1.8ºF

$169.00

Chlorine/ ORP/DOS
Meters

Model

pH

Chlorine
(PPM)

ORP
(mV)

Conductivity

TDS/Salinity

Temp

Max
Resolution

Basic
Accuracy

Price

chlorine meter

CL200
Chlorine Meter

1

0.01 to 10.0ppm

1 1 1

23º to 194ºF
(-5 to 90ºC)

0.01ppm
0.1ºF

10%reading
0.01ppm
1.8ºF/1ºC

$169.00

orp meter

RE300
ORP Meter

1 1

-999 to 999mV

1 1 1

1mV

4mV

$99.00

dissolved oxygen meter

DO600
Dissolved
Oxygen Meter

1 1 1 1

DO Saturation:
0 to 200%

DO Concentration:
0 to 20.00ppm

32º to 194ºF
(0 to 65ºC)

0.01%
0.01ppm

2%FS
1.8ºF
0.4ppm

$299.00

Conductivity
Meters

Model

pH

Chlorine
(PPM)

ORP
(mV)

Conductivity

TDS/Salinity

Temp

Max
Resolution

Basic
Accuracy

Price

conductivity meter

EC400
Conductivity
Meter

1 1 1

0 to 199.9uS
200 to 1999uS
2.0 to 19.99mS

0 to 99.9ppm
100 to 999ppm
1.0 to 9.99ppt

32º to 194ºF
(0 to 65ºC)

0.1uS
0.1ppm
0.1ºF

2%FS
1.8ºF

$79.00

ph/conductivity meter

EC500 pH/Conductivity
Meter

0.0 to 14.0pH

1 1

0 to 199.9uS
200 to 1999uS
2.0 to 19.99mS

0 to 99.9ppm
100 to 999ppm
1.0 to 9.99ppt

32º to 194ºF
(0 to 65ºC)

0.1uS
0.1ppm
0.1ºF
0.01pH

2%FS
1.8ºF
0.01pH

$129.00

 

 

heavy duty conductivity temp meter

407303
Heavy Duty Conductivity/
Temp Meter

1 1 1

0.1 to 199.9uS
0.2 to 1.999uS
2.0 to 19.99mS

1

32º to 140ºF
(0 to 60ºC)

0.1uS
0.1ºF

3%FS
1.5ºF

$249.00

Extech
Kits

Model

pH

Chlorine
(PPM)

ORP
(mV)

Conductivity

TDS/Salinity

Temp

Max Resolution

Basic Accuracy

Price

conductivity kit

D0610
DO/pH/
Conductivity
Kit-
(Includes
DO600 &
EC500 meters)

0.0 to 14.0pH

1 1

0 to 199.9uS
200 to 1999uS
2.0 to 19.99mS

0 to 99.9ppm
100 to 999ppm
1.0 to 9.99ppt

32º to 149ºF
(0 to 65ºC)

DO600: 0.1%/0.01ppm
EX500:
0.1uS
0.1ppm

See DO600&
EC500

$399.00

chlorine ph kit

EX800 Chlorine/pH
Kit-
(Includes
CL200 meter w/pH module)

0.00 to 14.00pH

0.01 to 10.0ppm

1 1 1

23º to 194ºF
(-5 to 90ºC)

0.01pH
0.1º

0.01pH
10% reading 0.01ppm
4mV
1.8ºF

$199.00

chlorine/ph/orp kit

EX900
Chlorine/pH/
ORP Kit-
Includes CL200 meter w/pH & ORP modules)

0.00 to 14.00pH

0.01 to 10.0ppm

-999 to 999mV

1 1

23º to 194ºF
(-5 to 90ºC)

0.01pH
0.1º

0.01pH
10% reading 0.01ppm
4mV 1.8ºF

$299.00

conductivity/TDS/ salinity & temp kit

EC410
Conductivity/TDS/ Salinity & Temp Kit

1 1 1

0 to 199.9uS
200 to 1999uS
2.0 to 19.99mS

0 to 99.9ppm
100 to 999ppm
1.0 to 9.99ppt

32º to 149ºF
(0 to 65ºC)

0.1uS
0.1ppm
0.1ºF

2%FS
1.8ºF

$119.00

Bosworth Instrument 1995 E. 55th St.  Cleveland, OH 44103  |  800-804-6216  |  info@bosworthsupply.com

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