VK-8689 Color Display Differential Pressure Gauge - Wi-Fi Remote Monitoring

The VK-8689 color display digital differential pressure gauge is a high-performance measuring instrument designed specifically for industrial applications. This device uses advanced imported ion-injected X-type silicon pressure sensors and supports Wi-Fi connectivity for remote monitoring and operation through the Tuya app. The VK-8689 is suitable for a wide range of industries, including natural gas pipelines, HVAC systems, mechanical hydraulics, plastic molding, ceramic product manufacturing, biopharmaceutical molding, mine pressure detection, petrochemical refining, as well as gas and liquid production and industrial equipment pressure testing.

Product Introduction

Application Fields

· Natural gas pipelines

· Air conditioning and refrigeration ventilation systems

· Mechanical hydraulics

· Plastic molding

· Ceramic product manufacturing

· Biopharmaceutical molding

· Mine pressure detection

· Petrochemical refining

· Gas and liquid

· Industrial equipment pressure testing

Key Features

· Wi-Fi Remote Monitoring and Control: Supports Wi-Fi connectivity, allowing users to monitor and control the device remotely through the Tuya app.

· Multi-Unit Selection: Supports multiple pressure unit conversions including Psi, kg/cm², in², bar, mbar, kPa, inHg, mmHg, inH₂O, ftH₂O, cmH₂O.

· Large Data Storage Capacity: An internal memory can store up to 10,000 sets of data, facilitating later data analysis.

· High Precision Measurement: Accuracy ±0.3% FSO, repeatability ±0.2% (maximum ±0.5% FSO), linearity/hysteresis ±0.29% FSO.

· Fast Response: A measurement rate of just 0.5 seconds ensures timely and accurate data.

· Environmental Adaptability: Operating temperature range of 0~50°C (32~122°F) with accuracy ±2°C and resolution of 0.1°C.

· Durable and Reliable: Sensors can withstand a maximum pressure of ±50 Kpa to ensure long-term stable operation.

· Convenient Power Supply: Equipped with a built-in 3.7V rechargeable lithium battery (18650 type) with a capacity of 2200mAh, which can be fully charged in 2-3 hours.

· Low Battery Indicator: Indicates when the battery voltage drops below 3V.

· Smart Energy Saving: The device automatically powers off after approximately 15 minutes of inactivity (this time can be customized).

Technical Specifications

Model	VK-8689
Sensor Type	Imported Ion-Injected X-Type Silicon Pressure Sensor
Measurement Units	Psi, kg/cm², in², bar, mbar, kPa, inHg, mmHg, inH₂O, ftH₂O, cmH₂O
Measurement Range	±689.4 Kpa = ±100 PSI
Accuracy	±0.3% FSO
Repeatability	±0.2% (MAX ±0.5% FSO)
Linearity/Hysteresis	±0.29% FSO
Measurement Rate	0.5 seconds
Data Storage	10,000 Sets
Temperature Measurement Range	0~50°C (32~122°F)
Temperature Accuracy	±2°C
Temperature Resolution	0.1°C
Maximum Pressure Sensor Can Withstand	±50 Kpa
Low Battery Indicator	≤3V display
Power Supply	3.7V Rechargeable Lithium Battery, 2200 mAh (18650)
Auto Shutdown	After Approximately 15 Minutes of Inactivity (Customizable)
Charging Time	2-3 Hours
Net Weight	390 g
Product Dimensions	222 x 80 x 46 mm
Packaging Dimensions	270 x 220 x 80 mm