TechGrow HS-2 Portable CO2/Temperature/Humidity Meter

The TechGrow HS-2 is an advanced handheld meter designed to monitor CO2 levels, temperature, and relative humidity in real time in indoor environments. Equipped with a high-precision NDIR sensor by SenseAir® (Sweden), it ensures reliable measurements and fast updates—ideal for greenhouses, grow rooms, laboratories, and other controlled environments. The backlit LCD display ensures easy reading even in low-light conditions.

Key Features

• Real-time measurements: CO2, temperature, and humidity with updates every second
• High-precision NDIR sensor: ensures accuracy and reliability
• Audible alarm: alerts when CO2 levels exceed the set threshold
• Calibration function: maintains long-term accuracy
• Backlit display: easy to read even in low-light environments
• HOLD function: freezes the current reading on the display
• Battery-powered: 4 AA batteries included
• Carrying case included: practical hard case for transport

Technical Specifications

• CO2 measurement range: 0 – 9999 ppm
• CO2 accuracy: ±50 ppm or ±5% of value (up to 2000 ppm)
• Temperature range: -10°C – +60°C
• Temperature accuracy: ±0.6°C
• Humidity range: 0.1% – 99.9% RH
• Humidity accuracy: ±3% (10% to 90% RH), ±5% outside this range
• Power supply: 4 AA batteries
• Device dimensions: 65 x 210 x 55 mm
• Case dimensions: 250 x 160 x 70 mm
• Total weight: approx. 600 g

Box Contents

• TechGrow HS-2 Portable CO2/Temperature/Humidity Meter
• 4 AA batteries
• User manual
• Hard carrying case