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ModelNo.:
Brand Name:
Yaxin-818 Pn meter
Offer:
Replacement
Characteristics:
This instrument is specially designed for photosynthesis experiment of middle school. It can quickly and quantitatively measure leaf photosynthesis or respiration.专为中学生物实验教学设计的光合作用测定仪。可以测定植物叶片光合作用。
    Yaxin-818 Pn meter:

Yaxin-818 Pn meter

This instrument is specially designed for photosynthesis experiment of middle school. It can quickly and quantitatively measure leaf photosynthesis or respiration.

Ⅰ、 Features

  • patented products

  • digital sensors

  • intelligent control of environment

  • projection in classroom

  • colorful screen

Ⅱ、 Application

It can meet the need of The testing of leaf photosynthetic and respiration rates,curve Pn-par,effective of CO2 concentration and temperature to pn.

The instrument can also be used in SMART projects, additional characteristic courses, laboratory and training of teacher skills.

Ⅲ、 Principle

The change value of CO2 concentration in the closed chamber was measured within a certain time, and then the photosynthetic rate of leaves was calculated.

Ⅳ、 Function

1. Measurement

CO2 concentration, Humidity, Temperature, Leaf surface temperature, Light intensity (PAR), Flow rate

2、calculation

Photosynthetic / respiratory rate (Pn value)

3. Display

Pressure (P), Chamber volume, Leaf area, Light intensity (PAR), CO2 concentration, Time, air temperature (Tair), ΔCO2, photosynthetic rate (Pn)

4. Control

Six level of PAR can be selected. Three level of the light-adaption time can be adjusted.

5. Software

projection; data transmission without installation

6. Power

Rechargeable battery; low voltage alarm

Ⅴ、 Specification

1. CO2 sensor

type: diffuse infrared analyzer; Range: 0.0-3000.0 ppm; Resolution: 1.0 ppm; Accuracy: ± 10.0 ppm; Response time: 2 s

2. Air temperature sensor

Category: Digital IC sensor; Range: 0.0~50.0 ℃; Resolution: 0.1℃; Error: ± 0.5 ℃

3. light source

Category: white LED, integrated with chamber; Range: 0-1500 μ mol/m2s; Gear: 6 adjustable; Illumination area: 12cm2

4. Power

Battery: 7.2 V 10.0 Ah rechargeable lithium battery, 7 ~ 9 h service life

Power adapter: 8.4 V 2.0 A lithium battery power adapter

5. Leaf chamber

Volume: 150 mL

6. host

Monitor: 800 × 600 touch screen;Transmission: USB 2.0; size: 34 × 20 × 17 cm; weight: 3.0 kg; other:  Memory: 4000 sets measurement number; support firmware upgrade

7. Working environment

Temperature: 0.0 ~ 50.0 ℃; humidity: 0 ~ 90% RH, no condensation



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