1.Features(HMM-300) Catalog download (Copy&paste): http://user.chol.com/~hysys95/ENGLISH/IMAGES/HMM-300_catalog_eng.pdf Home page(Copy&paste): http://user.chol.com/~hysys95/ENGLISH/product_eng.html -Fast and precise response for soil moisture measurement of 0~30% with 0.1% resolution and Indicates when to water your house plants. -Able to continously care plants with the long-term measurements. -Using platinum sensor, Fast and precise measurements of -40°C~80°C and -40°F~176°F with 0.1°C resolution. -Using precison capacitive humidity sensor, Fast measurements of 0~99%RH with 0.2%RH resolution. -Lux/Foot-candle measurements of 0~100,000 lux and 0~27,000 Fc. -Data hold function to freeze the desired value on display. -Microprocessor ensures Easy-to-use and high accuracy, Digtal LCD display with function indication. -Provide guide to watering and temperature, humidity, light requirements of 250 plants. -Operates with the ultra-low power(Minimum of continous 2 years) -Display low battery indicator. 2.Specification(HMM-300) Display | Soil moisture sensor | Temperature sensor | Humidity sensor | HTN LCD | 2 pins resistive | PT-1000 | Precision capacitive | Light sensor | Sampling rate | Humidity response time | Storage condition | Photo diode | 0.8 sec | 3 minutes | -40°C~80°C | power supply | Weight | Dimension(mm) | Soil moisture sensor length(mm) | 1.5V AAA X 2 | 100g(Included battery) | 55(W) X 88(H) X 25(D) | 200 |
Function | Valid range | Max range | Resolution | Accuracy | Operating temperature | Soil moisture meter | 0~30% | 0~56 % | 0.1% | +/-3% | 0~70°C | Thermometer | -40~80°C | -40°C~100°C | 0.1°C | +/-3°C | -20~80°C | Hygro meter | 20~95%RH | 0~99%RH | 0.2%RH | +/-5%RH | 0~50°C | Light meter | 0~100,000Lux | 0~300kLux | 10Lux | +/-5%+5dgt | 0~70°C | 0~10,000Fc | 0~27,000Fc | 10Fc |
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