ADWA AD111 bridges the gap between a pocket tester and a full bench meter. It delivers bench-level accuracy (±0.01 pH) in a portable, waterproof housing — making it ideal for professionals who move between field sites and the laboratory.  Specs: pH 0.00–14.00 (±0.01), ORP ±999 mV (±1 mV), temperature -5 to 110°C (±0.3°C), IP67 waterproof, 3-point auto-calibration, GLP compliance, 500-sample datalogger with date/time, USB output, replaceable electrode, large backlit display.  Applications: Environmental field inspectors testing rivers, canals, and wastewater in Egypt, water treatment plant operators doing in-process monitoring, agricultural irrigation water quality checks, mobile laboratory services visiting client sites.  The AD111’s IP67 waterproof rating makes it genuinely field-deployable — it can be rinsed under running water without damage. The 500-sample datalogger eliminates manual note-taking extended field surveys.  Order from Eagle Systems. Ideal for field kit pairing with ADWA portable conductivity meter (AD310) — ask about bundle pricing on 01015880830..

ADWA AD111 Professional Portable pH, ORP & Temperature Meter — Field and Lab Ready

Full Technical Specifications

How to Use the ADWA AD111 — Quick Guide

Taking a pH measurement:

1. Remove the electrode tip protector and rinse with distilled water.
2. Press MODE to select pH mode.
3. Submerge the electrode in the sample — avoid air bubbles.
4. Wait for the HOLD indicator to appear (stable reading).
5. Record the displayed pH value.

Calibrating the pH electrode:

1. Prepare a fresh pH 7.01 buffer solution.
2. Submerge the electrode and press CAL.
3. The meter auto-recognises the buffer and adjusts — confirm with ENTER.
4. For 2-point calibration, repeat with pH 4.01 or pH 10.01 buffer.

Taking an ORP (mV) measurement:

1. Press MODE to switch to mV/ORP mode.
2. Submerge the electrode (ORP-capable electrode required).
3. Allow the reading to stabilise — use HOLD to freeze.

Tip: Always rinse the electrode with distilled or deionised water between samples to prevent cross-contamination.

Frequently Asked Questions (FAQ)

Q: Can the AD111 measure saltwater or seawater? A: Yes. The wide pH range of −2.00 to 16.00 accommodates saline, alkaline, and acidic solutions, including seawater, industrial effluents, and chemical process waters.

Q: How often should I calibrate the AD111? A: For general use, calibrate before each measurement session or at a minimum daily. In critical applications (pharmaceutical, food QC), calibrate with each use. Always use fresh, unexpired calibration buffers.

Q: Can I replace the pH electrode? A: Yes. The AD111 uses a standard BNC connector — the AD1230B replacement electrode is available from Eagle Systems. Other ADWA-compatible BNC electrodes also work.

Q: What is ORP / Redox potential and why does it matter? A: ORP (Oxidation-Reduction Potential) measures the ability of a solution to oxidise or reduce substances. In water treatment, ORP directly indicates the effectiveness of disinfectants such as chlorine and ozone. A positive ORP indicates oxidising conditions; a negative ORP indicates reducing conditions.

Q: Is the AD111 waterproof? A: The AD111 is splash-resistant but not fully waterproof/submersible. Avoid submerging the main unit. The electrode and temperature probe are designed for immersion in liquid samples.

Q: Does Eagle Systems offer calibration services for the AD111? A: Yes. Eagle Systems provides calibration verification services and can supply certified NIST-traceable calibration buffers for critical applications. Contact us for details.

Q: What is the warranty on the ADWA AD111? A: The AD111 carries a 1-year manufacturer warranty against manufacturing defects. Eagle Systems handles all warranty claims in Egypt — you do not need to contact the manufacturer directly.

Q: Is the ADWA AD111 suitable for use in Egypt’s climate? A: Yes. The operating temperature range of −5°C to 105°C and the automatic temperature compensation make the AD111 fully suitable for Egypt’s high-temperature environments in both laboratory and outdoor field conditions.

Why Buy from Eagle Systems?

Eagle Systems for Supplies is the authorised distributor of ADWA Instruments in Egypt, serving laboratories, hospitals, water treatment plants, universities, and industrial facilities across the country.

• Genuine ADWA products — not grey imports or counterfeits
• Same-day dispatch from October City, Giza
• After-sales support — calibration assistance, electrode replacement, technical guidance
• Invoice and documentation — official commercial invoice for institutional procurement
• WhatsApp support — 01015880830
• Full ADWA range — meters, electrodes, buffers, probes and accessories in stock{  “@context”: “https://schema.org/”,   “@type”: “Product”,   “name”: “ADWA AD111 ProfessionalPortable pH ORP Temperature Meter”,  “description”: “Professional portable pH, ORP andtemperature meter. IP67 waterproof, ±0.01 accuracy, 500-sample datalogger, GLPcompliant, USB output.”,  “brand”: { “@type”: “Brand”, “name”:

  “ADWA Instruments” },  “model”: “AD111”,  “sku”: “ADWA-AD111”,   “offers”: {     “@type”: “Offer”,     “availability”:

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The ADWA AD630 is a professional waterproof portable meter for dissolved oxygen (DO) and temperature measurement. What sets it apart from other portable DO meters is its galvanic probe — a significant technical advantage over the more common polarographic probe instruments. As a result, it delivers immediate, accurate readings the moment the probe is immersed, with no warm-up or conditioning time required.

Galvanic vs. Polarographic — Why It Matters

Most portable DO meters use polarographic probes that require a conditioning period after power-on before they give accurate readings. The AD630, however, uses a galvanic probe that generates its own electrochemical signal without any applied voltage. Therefore, it is ready to measure instantly — a critical advantage in aquaculture emergencies and multi-site field surveys where every minute counts.

	Galvanic (AD630)	Polarographic
Warm-up time	None — instant readings	5–30 minutes
Applied voltage	Not required	Required
Field mobility	Move freely between sites	Wait at each site
Emergency response	Immediate	Delayed

Key Features at a Glance

In addition to the galvanic probe advantage, the AD630 includes a comprehensive set of professional features:

• DO readings in ppm (mg/L) and % saturation — switchable units for different reporting standards
• DO calibration at 1 or 2 standard points (0% and 100%) or a custom point (>20%)
• Automatic temperature compensation (ATC) for accurate DO readings across all water temperatures
• Altitude compensation — essential for accurate readings at elevated sites above sea level
• Salinity compensation — corrects for dissolved salt content in marine and brackish water
• Log-on-demand data recording for field data capture
• GLP feature — calibration history logging for traceable, documented records
• RS232 PC interface — direct data transfer to computer via AD9551 cable
• HOLD feature, auto-off, instrument ID code, and °C/°F selection

Technical Specifications

The AD630 covers the full dissolved oxygen range required for both environmental monitoring and aquaculture management. Specifically:

Who Is the AD630 For?

The AD630 is designed for professionals who need fast, reliable DO measurements in challenging field conditions. For example, it is the instrument of choice for:

• Aquaculture and fish farms — continuous DO monitoring at Red Sea coastal farms, Nile Delta fish farms, and Mediterranean aquaculture sites across Egypt
• Environmental monitoring — rivers, lakes, canals, and wetlands where DO is a key indicator of ecosystem health
• Wastewater treatment plants — aeration basin control in biological treatment processes
• BOD testing — dissolved oxygen measurement for Biological Oxygen Demand sample preparation
• University fieldwork — limnology, hydrology, and environmental science practical courses

Furthermore, the altitude and salinity compensation features make the AD630 accurate across Egypt’s diverse geography — from coastal marine farms at sea level to agricultural and industrial sites further inland.

What Is Included in the Box?

The AD630 ships complete with all consumables needed for immediate field deployment. Consequently, teams can begin measuring on the same day as delivery:

• AD8001/3 galvanic DO probe with built-in temperature sensor
• Spare membrane with O-ring
• Electrolyte solution (30 ml)
• AD9551 RS232 serial communication cable
• 4× AA 1.5V alkaline batteries
• User manual

In addition, spare AD8001 A/P membrane kits and AD9072S electrolyte solution are always in stock at Eagle Systems for fast reorder when consumables run low.

Order from Eagle Systems

Eagle Systems supplies the ADWA AD630 across Egypt with fast delivery to Cairo, Giza, Alexandria, and all governorates. Moreover, aquaculture multi-unit pricing is available for fish farms and hatcheries requiring multiple instruments across large sites.

For bulk and institutional pricing, call or WhatsApp: 01015880830.

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• Introduction: The AD8001/3 Galvanic DO Probe is designed for accurate dissolved oxygen measurement with a built-in temperature sensor. It features a 3 m cable and a DIN connector, making it compatible with the AD630 Professional Waterproof Portable DO Meter.
• Key Features:
  • Built-in Temperature Sensor: Provides accurate DO readings by compensating for temperature variations.
  • 3 m Cable: Allows for flexible positioning and ease of use.
  • DIN Connector: Ensures secure and reliable connection to the AD630 meter.
  • Galvanic Design: Offers reliable performance for dissolved oxygen measurement.
• Conclusion: Enhance your dissolved oxygen testing with the AD8001/3 Galvanic DO Probe, featuring advanced technology and robust design for reliable results.

• Outbound Links

  • Manufacturer’s Website: Visit AD8001/3 manufacturer
  • Industry Standard: Learn about galvanic DO probe standards
  • Related Articles: Read more on dissolved oxygen measurement

  8. Internal Links

  • Related Products: Explore other DO probes and accessories
  • Product Categories: View all dissolved oxygen measurement equipment
  • Helpful Guides: How to use galvanic DO probes with the AD630

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• Introduction: The AD7632 EC Probe is specifically designed for the ECO406 meter and offers precise conductivity measurements. It comes with a 2 m cable for flexibility.
• Key Features:
  • 2 m Cable: Provides extended reach for convenient measurements.
  • Compatibility: Designed for use with the ECO406 meter.
  • Accurate Measurements: Ensures reliable conductivity readings.
• Conclusion: Enhance your conductivity measurements with the AD7632 EC Probe for the ECO406, offering precision and flexibility in a durable design.

• Outbound Links

  • Manufacturer’s Website: Visit AD7632 manufacturer
  • Industry Standard: Learn about EC probe standards
  • Related Articles: Read more on conductivity measurement

  . Internal Links

  • Related Products: Explore other EC probes and accessories
  • Product Categories: View all conductivity measurement equipment
  • Helpful Guides: How to use EC probes with ECO406

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