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Digital Benchtop pH Meter

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AQUASEARCHER AB33PH bench meter is designed to be reliable, efficient, and user-friendly. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The large LCD display and touch keypad makes changing the parameters, executing setup, and performing calibration as simple as using a smartphone.

Applications: pH, oxidation-reduction potential (ORP) with Temperature Measurements
Display: 6.5 in. Segment & Dot matrix LCD with backlight
Operation: Capacitive touch, ABS top housing, standalone electrode holder
Communication: RS232, USB Device (included)
Design Features: i-Steward, Calibration due alarm, 1,000 measurement memory

AB33PH-F (30589827) SPECIFICATIONS:
Measurement Resolution: 0.1 °C; 0.01 pH; 1 mV
Accuracy ± (mV): 1 mV
Display: LCD with backlight & one-line dot matrix
pH accuracy (±): 0.01
Accuracy ± (Temperature): 0.5 °C
Parameter: pH/mV/ORP
Electrode: ST310 (Included)

$ 745.00 745.0 USD $ 745.00

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Terms and Conditions


Stock Number N2127
Model AB33PH-F (30589827)
Manufacturer OHAUS
Product Brochure
Warranty 2 YEAR MANUFACTURER'S WARRANTY

COMES COMPLETE WITH:
ST310 pH Electrode
pH Buffer Mini Kits (4 × 50mL)
Electrode Holder

OPTIONAL ACCESSORIES AVAIABLE AT ADDITIONAL COST:
Stirrer Compact AS20
SF40A Printer
various buffers
various electrodes

Elc TUV `
Outside 8.3 x 5.6 x 2 in.H

AQUASEARCHER™ AB33 Benchtop Meters

The AQUASEARCHER™ AB33 benchtop meter is designed to be reliable, efficient, and user-friendly for standard laboratory applications. The i-Steward ensures repeatable and consistent measurement accuracy for optimal peace of mind. The 6.5 inch LCD display and touch keypad makes changing parameters, executing setup, and performing calibration as simple as using a smartphone.

Unique Features

  • Multifunctional touch keypads make measurement simple and fast within 3 steps. The intelligent i-Steward monitors the condition of electrodes, ensuring accuracy of results
  • Auto endpoint mode and auto buffer recognition makes pH calibration easy
  • Auto temperature compensation, adjustable TDS factor and two kinds of cell conductivity probe compatibility for universal laboratory applications
  • Able to store up to 1000 items in internal memory for efficient data documentation
  • Standard RS232 and USB interface allows connection to external devices for expanded storage
  • i-Steward indicators include pH electrode condition, "Electrode Dirty/Broken," and reminder when meter needs recalibration
  • On-screen text prompts, menu-specific function keys and multi-language interface shown on 6.5" large display
  • Three capacitive touch keys that change based upon use ensures buttons are never clogged with sample residue
  • Auto-Stop holds a stable reading; Continuous shows changing readings
  • Up to 3-point pH calibration using automatic buffer recognition of 3 predefined buffer groups
  • Selectable cell constant allows for use with 2- or 4-cell conductivity cells to measure from ultrapure water to sewage
  • Selectable reference temperatures of 20 or 25 ºC for temperature compensated conductivity readings
  • 1000-item memory for measurements and calibration trail with date and time stamps for good traceability
  • Standalone adjustable electrode holder provides full flexibility for different types of electrodes

Available Models

  • AB33PH: pH, oxidation-reduction potential (ORP) with Temperature Measurements
  • AB33EC: Conductivity, Total Dissolved Solids (TDS), Salinity and Resistivity with Temperature Measurements
  • AB33M1: pH, oxidation-reduction potential (ORP), Conductivity, Total Dissolved Solids (TDS), Salinity and Resistivity with Temperature Measurements

Specifications

Parameter a-AB33PH a-AB33EC a-AB33M1
pH
Measuring Range -2.00 to 16.00 pH n/a -2.00 to 20.00 pH
Resolution 0.1/0.01 pH n/a 0.1/0.01 pH
Selectable Resolution Yes n/a Yes
Accuracy ± 0.01 pH n/a ± 0.01 pH
Pre-Defined Buffer Groups 3 n/a 5
ORP, Redox
Measuring Range ±2000.0 mV n/a ±2000.0 mV
Resolution 1 mV n/a 0.1mV
Accuracy ± 1 mV n/a ±0.5 mV
Units mV, RmV n/a mV, RmV
Conductivity
Measuring Range n/a 0.001μS/cm to 19.99 μS/cm
20 μS/cm to 199.9 μS/cm
200 μS/cm to 1999 μS/cm
2.00 mS/cm to 19.99 mS/cm
20.0 mS/cm to 1000 mS/cm		 0.01 μS/cm to 19.99 μS/cm
20 μS/cm to 199.9 μS/cm
200 μS/cm to 1999 μS/cm
2.00 mS/cm to 19.99 mS/cm
20.0 mS/cm to 500.0 mS/cm
Resolution n/a 0.001 μS/cm minimum; auto-range 0.01 μS/cm minimum; auto-range
Accuracy n/a ± 0.5 % Reading ± 2 Least Signficant Digit ± 0.5 % Reading ± 2 Least Signficant Digit
Reference Temperature n/a 20 °C, 25 °C 20 °C, 25 °C
Cell Constants n/a 0.01 to 10.00 cm-1 0.001 to 10.00 cm-1
Temperature Compensation n/a Linear (0 to 10.0%/ºC), off Linear (0 to 10.0%/ºC), off
TDS
Measuring Range n/a 0.1 mg/L to 200 g/L 0.1mg/L to 199.9 g/L
Resolution n/a 0.01 mg/L minimum, auto-range 0.01 mg/L minimum, auto-range
Accuracy n/a ± 0.5 % Reading ± 2 Least Signficant Digit ± 0.5 % Reading ± 2 Least Signficant Digit
TDS Factor Range n/a Linear, 0.01 to 10.00, default 0.5 Linear, 0.01 to 10.00, default 0.5
Resistivity
Measuring Range n/a 1 to 100 MΩ-cm 2 to 100 MΩ-cm
Resolution n/a 0.01 Ω-cm auto-range 0.01 Ω-cm auto-range
Accuracy n/a ± 0.5 % Reading ± 2 Least Signficant Digit ± 0.5 % Reading ± 2 Least Signficant Digit
Practical Salinity
Measuring range n/a 0 to 100 psu 0 to 100 psu
Resolution n/a 0.01 psu minimum, auto-range 0.01 psu minimum, auto-range
Accuracy n/a ± 0.5 % Reading ± 2 Least Signficant Digit ± 0.5 % Reading ± 2 Least Signficant Digit
Temperature
Measuring Range -5.0 to 110.0°C
23.0°F to 230.0°F
Resolution 0.1 °C, 0.1 °F
Accuracy ± 0.5 °C, ±0.5 °F ± 0.3 °C, ±0.3 °F ± 0.3 °C, ±0.3 °F
Calibration No Calibration No Calibration No Calibration
Calibration
Calibration points Up to 3 points 1 point cell constant calibration; 6 conductivity standard solutions available (10, 84, 146.5, 500, 1413 μS/cm and 12.88mS/cm) Up to 5 points for pH; 1 point cell constant calibration; 6 conductivity standard solutions available (10, 84, 146.5, 500, 1413 μS/cm and 12.88mS/cm)
Calibration Sign Slope/offset & Face Cell Constant & Face Slope/offset & Cell Constant & Face
Calibration mode Linear Linear Linear

Meter Specifications

Display Type 6.5" Segment & Dot matrix LCD with backlight
Multilanguage User Interface English, Spanish, French, Portuguese, Chinese, Russian and Turkish
Measurement End-point Modes Auto-stop, Continuous
Datalog for measurement 1000 sets data points with time and date stamp
Datalog for calibration Last calibration
Keypad Capacitive touch
Output Connect to PC via RS232 and USB, Connect to Printer via RS232
pH electrode input BNC
Conductivity input Mini-Din
Temperature input Cinch, NTC 30 kΩ
Installation Overvoltage Category II
Pollution Degree 2
Power Supply Universal, 100-240 VAC, 50-60 Hz
Ambient Operating 5 to 40 ˚C, 5 to 80 %, non-condensing

Other Features and Equipment

  • Operation: AC adapter (included)
  • Communication: RS232, USB Device (included)
  • Construction: Capacitive touch, ABS housing, standalone electrode holder
  • Design Features: i-Steward, Two Independent Channels (for AB33M-1), Calibration due alarm, 1,000 measurement memory

Compliance

  • Product Safety: IEC/EN 61010-1
  • Electromagnetic Safety: IEC/EN 61326-1 Class B, basic environments; FCC Part 15 Class A; Canada ICES-003 Class A
  • Others: WEEE, RoHS

Outline Dimensions

8.26 in / 210

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