-2.00 to 20.00 pH Meter Bench Type (pH/ORP/Temp), MW150 MAX | Milwaukee

Q1: What are the primary technical specifications of the Milwaukee MW150 MAX bench meter?

Answer: Official manufacturer specifications for the Milwaukee MW150 MAX include:

• pH Range & Accuracy: -2.00 to 20.00 pH with ±0.01 pH accuracy (0.01 pH resolution).

• ORP Range & Accuracy: ±2000.0 mV with ±1 mV accuracy (0.1 mV resolution).

• Temperature Range & Accuracy: -20.0°C to 120.0°C (-4.0°F to 248.0°F) with ±0.4°C / ±0.8°F accuracy (0.1°C resolution).

• pH Calibration: Automatic up to 3-point calibration with 7 standard selectable buffers (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, and 12.45).

• Temperature Compensation: Automatic Temperature Compensation (ATC) from -20.0°C to 120.0°C or manual entry.

• Included Sensors: MA917B/1 refillable glass-body double-junction pH electrode (BNC connector) and MA831R stainless steel temperature probe.

• GLP Compliance: Dedicated Good Laboratory Practice (GLP) key displaying last calibration date, time, buffers used, slope, and offset.

• Power Supply: 12V DC adapter (included) with an internal rechargeable battery providing up to 8 hours of wireless continuous operation.

• Dimensions & Weight: 230 x 160 x 95 mm (9.0" x 6.3" x 3.7"), Net Weight: 0.9 kg (2.0 lbs).

Q2: What is the price of a digital pH bench meter in Bangladesh (BD)?

Answer: Laboratory benchtop pH meter prices in Bangladesh generally range from BDT 25,000 to BDT 320,000+, depending on brand, measurement precision, multi-parameter support (pH/ORP/Temp logging), electrode junction engineering, and manufacturing origin. High-precision European benchtop meters like the Milwaukee MW150 MAX (Made/engineered in Europe / Romania) typically range between BDT 50,000 and BDT 65,000 as a complete kit with a glass double-junction electrode, stainless steel ATC probe, and 12V power adapter. For official price quotes, stock availability, and institutional tender procurement in BD, please contact Federal Scientific Mart (fsm.com.bd).

Q3: What makes the MA917B/1 double-junction pH electrode ideal for difficult or viscous samples?

Answer: The supplied MA917B/1 electrode features a refillable glass body with a double-junction reference design. By utilizing two physical junction barriers, it prevents heavy metals, proteins, sulfides, and aggressive chemicals from reacting with or clogging the internal silver/silver chloride (Ag/AgCl) reference cell. This makes it significantly more durable and accurate when measuring viscous, dirty, or non-aqueous liquids in beer brewing, winemaking, dairy processing, wastewater testing, and pharmaceutical QA/QC.

Q4: Does the Milwaukee MW150 MAX measure ORP (Redox Potential) out of the box?

Answer: The MW150 MAX bench unit comes pre-programmed with advanced hardware and algorithms to process Oxidation-Reduction Potential (ORP) readings up to ±2000.0 mV. However, to measure ORP directly, users must attach a dedicated platinum or gold ORP electrode (such as the Milwaukee MA921B/1), which have to purchased separately.

Q5: How does Automatic Temperature Compensation (ATC) function on the MW150 MAX?

Answer: Solution temperature directly alters hydrogen ion activity and sensor response slope. The MW150 MAX uses the included MA831R stainless steel probe to continuously monitor sample temperature. The internal microprocessor automatically recalculates and adjusts the pH reading across -20.0°C to 120.0°C, delivering true pH values without manual math adjustments.

Q6: How does the GLP (Good Laboratory Practice) feature ensure audit compliance?

Answer: Pressing the dedicated GLP key on the MW150 MAX immediately calls up stored calibration data from the internal memory. It displays the exact date, timestamp, calibration buffer points, offset, and electrode slope percentage. This feature is essential for ISO, GMP, and regulatory compliance audits in research institutes, pharmaceuticals, and industrial QA labs.

Q7: Can the MW150 MAX be used portably or away from a power outlet?

Answer: Yes. Unlike standard benchtop meters that require continuous grid connection, the MW150 MAX contains an internal rechargeable battery providing up to 8 hours of cordless operation. It also includes auto-off timers (selectable at 5, 10, 30, or 60 minutes) to preserve power during mobile field or factory floor sampling.

Q8: How do you properly calibrate the Milwaukee MW150 MAX bench meter?

Answer:

1. Connect the MA917B/1 pH electrode and MA831R temperature probe to the meter.

2. Press CAL and submerge both probes in the first buffer (e.g., pH 7.01).

3. The meter automatically recognizes the buffer and displays a stability icon.

4. Press CFM to save the calibration point.

5. Rinse probes thoroughly with deionized/distilled water.

6. Repeat the process for 2nd and 3rd points (e.g., pH 4.01 and 10.01) for maximum linearity across acidic and alkaline ranges.

Q9: How should the MA917B/1 glass pH electrode be maintained and stored?

Answer:

• Storage: Keep the glass sensing bulb moist in Milwaukee MA9015 Electrode Storage Solution inside the protective cap. Never store the electrode in distilled (DI), deionized, or reverse osmosis (RO) water, as this leaches reference ions and permanently ruins the membrane.

• Cleaning: Periodically soak in MA9016 Cleaning Solution to remove protein film or inorganic mineral buildup.

• Refilling: Inspect the internal reference electrolyte level regularly and refill with 3.5M KCl solution when low.

Q10: Why purchase Milwaukee Instruments equipment from Federal Scientific Mart (fsm.com.bd)?

Answer: Purchasing through Federal Scientific Mart guarantees:

• Authorized Supplier: Federal Scientific Mart is an authorized supplier of official Milwaukee Instruments products in Bangladesh, supplying 100% genuine equipment in factory packaging.

• Warranty & Local Service Support: Direct manufacturer warranty coverage supported by trained local technicians, authentic replacement electrodes, and genuine calibration solutions.

• Nationwide Fast Delivery: Safe, reliable shipping to Dhaka, Chittagong, Rajshahi, Khulna, Sylhet, Barisal, Rangpur, and all districts across Bangladesh.