New pH Meters | Marshall Scientific

Measurement Range	0.00 – 20.0 mg/L(ppm); 0 – 50°C
Measurement Resolution	0.01 mg/L; 0.1%; 0.1 °C
Accuracy	±0.2 mg/L(< 8 mg/L) or ±0.3 mg/L(8~20 mg/L); ±0.3 °C
Display	Color LCD Graphics
Electrode	STDO21 (Included)
Accuracy DO	0.2 ppm
Accuracy ± (Temperature)	0.3 °C
Battery Life	12 hours with Disposable Batteries
Calibration	2 Point
Dimensions	5.91 in x 1.38 in x 3.54 in (150 mm x 35 mm x 90 mm) (LxHxW)
In-Use Cover	No
Measurement Range DO	0 ppm – 20 ppm
Measurement Range (Temperature)	0 °C – 50 °C
Net Weight	0.35 lb (0.16 kg)
Parameter	Dissolved Oxygen
Power	4 AAA (LR03) Batteries (Included)
Resolution (DO)	0.01
Temperature compensation	Automatic
Temperature resolution	0.1 °C
Temperature Sensor	10 KΩ NTC
Working Environment	41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Manufacturer's List Price: $1,784.00

Our Price: $1,284.29

Money Saved: $499.71

Ohaus Aquasearcher a-AB33PH-F pH Meter

Measurement Range	-5 °C – 110 °C; -2.00 – 16.00 pH; -2000.00 – +2000.00 mV
Measurement Resolution	0.1 °C; 0.01 pH; 1 mV
Accuracy ± (mV)	1 mV
Display	LCD with backlight & one-line dot matrix
Working Environment	5°C – 40°C, 80% RH, Non-condensing
Net Weight	0.5 kg (1.1 lb)
Dimensions (Length)	210 mm (8.3 in)
Dimensions (Width)	142 mm (5.6 in)
Dimensions (Height)	51 mm (2 in)
Accuracy	±0.5 °C; ±1 mV; ±0.01 pH
Accuracy ± (Temperature)	0.5 °C
Electrode	ST310 (Included)
Parameter	pH/mV/ORP
pH accuracy (±)	0.01
Power	AC Adapter (Included)

Manufacturer's List Price: $755.00

Our Price: $549.96

Sale Price: $489.96

Money Saved: $265.04

Ohaus ST5000-B pH Meter

Measurement Range	-2.00 – 20.00 pH; -2000.00 – +2000.00 mV; -30 – 130°C
Accuracy	± 0.03% mV; ± 0.002 pH; ± 0.1 °C
Measurement Resolution	0.001 pH; 0.01 mV; 0.1 °C
ATC	Yes
Electrode	ST320 (Available as an accessory)
Accuracy ± (mV)	0.03 mV
Accuracy ± (Temperature)	0.1 °C
Calibration	9 Point
In-use cover	Included
Measurement Range (Temperature)	-30 °C – 130 °C
Meter Type	pH; ORP
Net Weight	19.5 oz (550 g)
Parameter	pH / ORP
pH accuracy (±)	0.002
pH measuring range	-2 – 20
pH resolution	0.001
Power	AC Adapter (Included)
Protection Rating	IP54
Temperature Compensation	Automatic
Temperature Display	Yes
Temperature Resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)

Manufacturer's List Price: $1,662.00

Our Price: $1,142.63

Money Saved: $519.37

Ohaus ST5000-F pH Meter

Measurement Range	-2.00 – 20.00 pH; -2000.00 – +2000.00 mV; -30 – 130°C
Accuracy	± 0.03% mV; ± 0.002 pH; ± 0.1 °C
Measurement Resolution	0.001 pH; 0.01 mV; 0.1 °C
ATC	Yes
Electrode	ST350 (Included)
Accuracy ± (mV)	0.03 mV
Accuracy ± (Temperature)	0.1 °C
Calibration	9 Point
In-use cover	Included
Measurement Range (Temperature)	-30 °C – 130 °C
Meter Type	pH; ORP
Net Weight	19.5 oz (550 g)
Parameter	pH / ORP
pH accuracy (±)	0.002
pH measuring range	-2 – 20
pH resolution	0.001
Power	AC Adapter (Included)
Protection Rating	IP54
Temperature Compensation	Automatic
Temperature Display	Yes
Temperature Resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)

Manufacturer's List Price: $1,758.00

Our Price: $1,258.11

Money Saved: $499.89

Ohaus Starter 400-B Portable Water Analysis Meter

Measurement Range	-5 °C – 110 °C; -2.00 – 16.00 pH; -1999 – 1999 mV
Measurement Resolution	0.1 °C; 0.01 pH; 1 mV
Accuracy	±0.5 °C; ±1 mV; ±0.01 pH
Display	LCD Backlit Display
Accuracy ± (mV)	1 mV
Accuracy ± (Temperature)	0.5 °C
Battery Life	40 Hours with Rechargeable Battery
Dimensions	9.05 in x 1.57 in x 3.94 in (230 mm x 40 mm x 100 mm) (LxHxW)
Measurement Range (Temperature)	-5 °C ; 110 °C
Measurement Range	-1,999 mV ; 1,999 mV
Net Weight	0.77 lb (0.35 kg)
pH accuracy (±)	0.01
pH measuring range	-2 ; 16
pH resolution	0.01
Resolution (Voltage)	1 mV
Temperature compensation	Automatic
Temperature resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Manufacturer's List Price: $610.00

Our Price: $432.79

Sale Price: $411.15

Money Saved: $198.85

Ohaus Starter 400-F Portable Water Analysis Meter

Measurement Range	-5 °C – 110 °C; -2.00 – 16.00 pH; -1999 – 1999 mV
Measurement Resolution	0.1 °C; 0.01 pH; 1 mV
Accuracy	±0.5 °C; ±1 mV; ±0.01 pH
Display	LCD Backlit Display
Electrode	ST320 IP67 3m (Included)
Accuracy ± (mV)	1 mV
Accuracy ± (Temperature)	0.5 °C
Battery Life	40 Hours with Rechargeable Battery
Dimensions	9.05 in x 1.57 in x 3.94 in (230 mm x 40 mm x 100 mm) (LxHxW)
Measurement Range (Temperature)	-5 °C ; 110 °C
Measurement Range	-1,999 mV ; 1,999 mV
Net Weight	0.77 lb (0.35 kg)
pH accuracy (±)	0.01
pH measuring range	-2 ; 16
pH resolution	0.01
Resolution (Voltage)	1 mV
Temperature compensation	Automatic
Temperature resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Manufacturer's List Price: $710.00

Our Price: $488.13

Sale Price: $440.56

Money Saved: $269.44

Ohaus Starter 400-G Portable Water Analysis Meter

Measurement Range	-5 °C – 110 °C; -2.00 – 16.00 pH; -1999 – 1999 mV
Measurement Resolution	0.1 °C; 0.01 pH; 1 mV
Accuracy	±0.5 °C; ±1 mV; ±0.01 pH
Display	LCD Backlit Display
Electrode	ST320 IP67 3m (Included)
Accuracy ± (mV)	1 mV
Accuracy ± (Temperature)	0.5 °C
Battery Life	40 Hours with Rechargeable Battery
Dimensions	9.05 in x 1.57 in x 3.94 in (230 mm x 40 mm x 100 mm) (LxHxW)
Measurement Range (Temperature)	-5 °C ; 110 °C
Measurement Range	-1,999 mV ; 1,999 mV
Net Weight	0.77 lb (0.35 kg)
pH accuracy (±)	0.01
pH measuring range	-2 ; 16
pH resolution	0.01
Resolution (Voltage)	1 mV
Temperature compensation	Automatic
Temperature resolution	0.1 °C
Temperature Sensor	30 KΩ NTC
Working Environment	41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Manufacturer's List Price: $745.00

Our Price: $512.19

Sale Price: $477.45

Money Saved: $267.55

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