营养液测试棒，电导率营养液测试棒，水质检测仪，无土栽培营养测试仪
营养液测试棒 产品详情
营养液测试棒
model
　rs-101
rs-102
range
0.4～4.4ec　4～44cf　
200~2200ppm(ecx500)
280～3080ppm(ecx700)
0.4～5.2ec　4～52cf　
200~2600ppm(ecx500)
280～3640ppm(ecx700)
resolution
0.1ec / 1cf / 50ppm / 70ppm
accuracy
±4% of reading
calibration
factory calibrated
a t c
5 to 50°c
power
3 x 1.5v (aa)
auto sense
auto on and auto off
dimensions
415×26×26mm
weight
168g
● provided with ec, cf and ppm scales.　● * waterproof.　
　● flashing analogue display, easy to read.　● no external switches or adjustment knobs.