지난 32시간 동안 판매됨 27
This is the only digital soil meter on the market. All others utilize a magnetically operated needle, that swings in front of 3-to-5 scales. As a result, the user gets rough estimates instead of actual numbers..It is also one of the few that requires battery power to operate. An electric charge is emitted into the soil and is received in the probe. A circuit board measures the tiny changes and reports the results in digital form. Many competing devices use no batteries. I wonder how their diagnoses work without electricity?.I took the meter to task on the first day. The initially readings were off. AMBIEN LIGHT measured 0, although the meter was under a grow lamp. SOIL MOISTURE measured 95% - very wet, although the dirt was only moist..After a "break in period" of one day, I tested again on the second. The features proved accurate. On the TEMPERATURE feature, I measured room air. The temperature was 1F higher than my oven thermometer and room thermostat. . . . Excellent!.To test the PH feature. I wet a face towel with water. It achieved a 7.1 reading - neutral. Water was neutral. . . . . Then, I wet a spot on the fabric with vinegar. The reading was 6.0 - slightly acid. Although vinegar was 4% acetic acid in distilled water, I expected a strongly acid reading. So, the PH feature was off by a half notch..The MOISTURE feature worked to perfection. It measured the potted soil at 20% - dry. Examining the dirt, the moisture held the dirt in clumps, but it was relatively dry..The AMBIEN LIGHT feature was good. Three grow lamps shined on my 10 juniper seedlings in pots. Each light source had a 100 watt grow bulb, with a 1700 lux rating. Putting the meter under one, it measured 2640 lux. With the added indirect light from the two other lamps, the reading seemed correct..In the past month, I purchased three other competing soil meters and returned all. They tested grossly inaccurate, or some of their features were inoperative..On this product, the features worked to perfection, except for PH - half correct. A second problem was missing the ability to measure FERTILITY. A third problem was the small text on the screen for TEMPERATURE and MOISTURE readings. They were very small. Other than these three shortcomings, I ranked it the best among the many soil meters available on Amazon...-------------------------------------------------------------------------------------------------------------------------..UPDATE: After two months of usage, the unit became non-functional. First, it no longer showed moisture. Second, one-fourth of the LCD screen went blank..I contacted the vendor for warranty repairs/replacement. Within an hour, it responded with a request for a video of the unit in action. In compliance, the unit was turned ON. The regular screen appeared, indicating NO PROBLEMS..
18 현재 누군가가 웹사이트를 탐색 중입니다.
예상 배송 시간: 12~26일(국제), 3~6일(미국)
구매일로부터 45일 이내에 반품이 가능합니다. 관세 및 세금은 환불되지 않습니다.
ASIN:
B0DF4TB93J
BATTERY_DESCRIPTION:
AAA 1.5V * 4
BEST_SELLERS_RANK:
#543 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #4 in Soil Meters
BRAND:
YAMRON
COLOR:
white
DATE_FIRST_AVAILABLE:
August 24, 2024
ITEM_MODEL_NUMBER:
CTY
ITEM_WEIGHT:
4.2 ounces
LOWER_TEMPERATURE_RATING:
32 Degrees Fahrenheit
MANUFACTURER:
cytentech
MOUNTING_TYPE:
Freestanding
PRODUCT_DIMENSIONS:
2.36"W x 12.6"H
TEMPERATURE_ACCURACY:
1.8 Degrees Fahrenheit
UPPER_TEMPERATURE_RATING:
122 Degrees Fahrenheit
VOLTAGE:
6 Volts






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