http://www.channeleco.com/en/Item/Show.asp?m=1&d=1200
Product description:
This instrument is to measure plant stem strength against the wind. Users only need to push the instrument against the stem to get stem strength of the plant.

Features:
1. This instrument has high measuring precision and high resolution. Two model - QT-DFA01 and QT-DFA02- are available for different plants;
2. Data can be shown on a big LCD with screen rotation function;
3. The instrument can be connected to computer for trial test, data downloading, printing and analysis. Several parameters such as input speed, area can be converted to displacement and pressure, respectively;
4. The instrument is equipped with various kinds of platens for convenient measurement;
5. It is easy to use, time saving, and of high precision;
6. The instrument can show remaining battery life and it can automatically power off when battery life is low.
Technical Parameters:
· Model: QT-DFA01 QT-DFA02
· Maximum load: 50N 500N
· Measuring units: Kgf/lb/N
· Precision: +/-0.2%F.S,+/-digit
· Display: 4-digits LCD display
· Measuring value: Peak and current value, peak value can be maintained
· Collecting rate: 1000 times/s
· D/A conversion: 16-bitΔΣtype
· Processor: 8-bit CPU
· Working temperature: -20℃ to 40℃
· Power supply: NI-MH battery or exterior AC linear power adapter or USB power supply
· Data output: USB
· Auto power shutdown: 10 minutes without operations
· Battery alarm: Battery icon will flicker when battery life is low.
Made in china
Channel Technology Group Limited
Tel:+86-10-62111044
Fax:+86-10-62114847
Web:http://www.channeleco.com/en/
Email:repair@qudao.com.cn
bio-equip.cn
For the purpose of introduction and promotion of global advanced instrumentation and technology in the fields of terrestrial ecology, aquatic ecology and life science, Channel Technology Group Limited was established in 2001.