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High-Precision pH & Temperature Meter for Food, Water, and Industrial Testing
The AZ 8694 Digital pH/Temperature Pen is a compact, precision instrument tailored for accurate pH measurement in semi-solid samples, narrow vessels, and aqueous solutions. Its 13.2 cm long glass sharp-tip electrode, combined with automatic temperature compensation (ATC) and IP65 waterproof housing, makes it an ideal tool for food safety, environmental monitoring, and lab-based research.
With its real-time dual LCD display, one-touch three-point calibration, and battery-powered portability, the AZ 8694 ensures reliability and convenience in both field and laboratory environments.
Key Features & Benefits
- ✅ 13.2 cm Long Sharp Glass Tip – Enables penetration into semi-solid samples and access to narrow openings
- ✅ Waterproof IP65 Casing – Suitable for wet, food-grade, and outdoor applications
- ✅ Dual LCD Display – Simultaneously shows real-time pH and temperature readings
- ✅ Automatic Temperature Compensation (ATC) – Provides accuracy across varying sample temperatures
- ✅ 3-Point Auto Calibration – One-touch calibration enhances precision and convenience
- ✅ Adjustable Calibration Values – Adapts to different standard buffers for specific applications
- ✅ Hold Function – Locks measurement for easy recording and review
- ✅ Compact & Lightweight (115g) – Perfect for mobile professionals and lab toolkits
- ✅ Battery Operated with Auto Power-Off – Powered by 2 × CR2032 batteries with battery-saving mode
- ✅ Sensor Storage Bottle Included – Keeps electrode moist to maintain performance
Technical Specifications
| Attribute | Details |
|---|---|
| Model | AZ 8694 |
| pH Measuring Range | 2.00 – 12.00 pH |
| pH Accuracy | ±0.1 pH |
| pH Resolution | 0.01 pH |
| Temperature Range | 0 – 80.0°C |
| Temperature Accuracy | ±1°C |
| Temperature Resolution | 0.5°C |
| pH Electrode | Glass (sharp tip, single Ag/AgCl reference) |
| Electrolyte | Gel, 3.3 M KCl |
| Junction Type | Fiber |
| Probe Dimensions | Diameter: 12 mm, Length: 132 mm |
| Display | 29 × 22.5 mm LCD (dual display) |
| Power Supply | 2 × CR2032 button batteries |
| Auto-Off Function | Yes |
| Operating Temp/Humidity | 0–80°C, <80% RH |
| Storage Temp/Humidity | –10–50°C, <90% RH |
| Sensor Life | >6 months with proper maintenance |
| Meter Size / Weight | 94 × 36 × 20 mm / ~115g |
| Package Includes | Meter, Batteries, Manual, Paper Box |
Applications
🍶 Food Safety & Quality Control – Accurate pH measurement in dairy, meat, yogurt, sushi rice, and semi-solids
💧 Water Quality Testing – Monitors pH in drinking water, wastewater, and treatment systems
🏭 Industrial Process Monitoring – Ensures pH control in chemical, manufacturing, and environmental settings
🧪 Research Laboratories – Essential for academic and industrial studies requiring precise pH analysis
🌱 Agriculture & Hydroponics – Maintains nutrient solution pH for optimal crop performance
🏊 Pool & Spa Maintenance – Keeps water chemistry balanced for safety and comfort
User-Friendly Features
✔ Sharp-Tip Glass Electrode – Designed for direct sample insertion in soft or narrow spaces
✔ Auto Calibration – Up to 3 points using standard buffer solutions
✔ IP65 Waterproof Housing – Built to withstand splashes and wet conditions
✔ Clear LCD with Dual Display – Shows both pH and temperature at a glance
✔ Low Battery Indicator & Auto-Off – Prevents battery drain during storage
✔ Compact Design – Lightweight and easy to carry for on-site testing
Ordering Information
| Model | Description | Included Accessories |
|---|---|---|
| 8694 | Digital Long Sharp-Tip Glass pH/Temperature Meter | Meter, CR2032 Batteries, Manual, Paper Box |
The AZ 8694 Digital pH/Temperature Pen is a compact yet powerful tool designed for professionals in food safety, water quality, and industrial process control. Its long, sharp-tip glass probe, ATC, and user-friendly operation make it the ideal pH solution for high-accuracy measurement in challenging sample types.
8694 CE Certificate
8694 Operation manual
8694 Specification
High-Precision pH & Temperature Meter for Food, Water, and Industrial Testing
The AZ 8694 Digital pH/Temperature Pen is a compact, precision instrument tailored for accurate pH measurement in semi-solid samples, narrow vessels, and aqueous solutions. Its 13.2 cm long glass sharp-tip electrode, combined with automatic temperature compensation (ATC) and IP65 waterproof housing, makes it an ideal tool for food safety, environmental monitoring, and lab-based research.
With its real-time dual LCD display, one-touch three-point calibration, and battery-powered portability, the AZ 8694 ensures reliability and convenience in both field and laboratory environments.
Key Features & Benefits
- ✅ 13.2 cm Long Sharp Glass Tip – Enables penetration into semi-solid samples and access to narrow openings
- ✅ Waterproof IP65 Casing – Suitable for wet, food-grade, and outdoor applications
- ✅ Dual LCD Display – Simultaneously shows real-time pH and temperature readings
- ✅ Automatic Temperature Compensation (ATC) – Provides accuracy across varying sample temperatures
- ✅ 3-Point Auto Calibration – One-touch calibration enhances precision and convenience
- ✅ Adjustable Calibration Values – Adapts to different standard buffers for specific applications
- ✅ Hold Function – Locks measurement for easy recording and review
- ✅ Compact & Lightweight (115g) – Perfect for mobile professionals and lab toolkits
- ✅ Battery Operated with Auto Power-Off – Powered by 2 × CR2032 batteries with battery-saving mode
- ✅ Sensor Storage Bottle Included – Keeps electrode moist to maintain performance
Technical Specifications
| Attribute | Details |
|---|---|
| Model | AZ 8694 |
| pH Measuring Range | 2.00 – 12.00 pH |
| pH Accuracy | ±0.1 pH |
| pH Resolution | 0.01 pH |
| Temperature Range | 0 – 80.0°C |
| Temperature Accuracy | ±1°C |
| Temperature Resolution | 0.5°C |
| pH Electrode | Glass (sharp tip, single Ag/AgCl reference) |
| Electrolyte | Gel, 3.3 M KCl |
| Junction Type | Fiber |
| Probe Dimensions | Diameter: 12 mm, Length: 132 mm |
| Display | 29 × 22.5 mm LCD (dual display) |
| Power Supply | 2 × CR2032 button batteries |
| Auto-Off Function | Yes |
| Operating Temp/Humidity | 0–80°C, <80% RH |
| Storage Temp/Humidity | –10–50°C, <90% RH |
| Sensor Life | >6 months with proper maintenance |
| Meter Size / Weight | 94 × 36 × 20 mm / ~115g |
| Package Includes | Meter, Batteries, Manual, Paper Box |
Applications
🍶 Food Safety & Quality Control – Accurate pH measurement in dairy, meat, yogurt, sushi rice, and semi-solids
💧 Water Quality Testing – Monitors pH in drinking water, wastewater, and treatment systems
🏭 Industrial Process Monitoring – Ensures pH control in chemical, manufacturing, and environmental settings
🧪 Research Laboratories – Essential for academic and industrial studies requiring precise pH analysis
🌱 Agriculture & Hydroponics – Maintains nutrient solution pH for optimal crop performance
🏊 Pool & Spa Maintenance – Keeps water chemistry balanced for safety and comfort
User-Friendly Features
✔ Sharp-Tip Glass Electrode – Designed for direct sample insertion in soft or narrow spaces
✔ Auto Calibration – Up to 3 points using standard buffer solutions
✔ IP65 Waterproof Housing – Built to withstand splashes and wet conditions
✔ Clear LCD with Dual Display – Shows both pH and temperature at a glance
✔ Low Battery Indicator & Auto-Off – Prevents battery drain during storage
✔ Compact Design – Lightweight and easy to carry for on-site testing
Ordering Information
| Model | Description | Included Accessories |
|---|---|---|
| 8694 | Digital Long Sharp-Tip Glass pH/Temperature Meter | Meter, CR2032 Batteries, Manual, Paper Box |
The AZ 8694 Digital pH/Temperature Pen is a compact yet powerful tool designed for professionals in food safety, water quality, and industrial process control. Its long, sharp-tip glass probe, ATC, and user-friendly operation make it the ideal pH solution for high-accuracy measurement in challenging sample types.
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