Advantec 07030070 Test Strips, Nickel Check (Ni2+), 0 to 1000 ppm; 100 Strips/Pk sold2025 2 Interface Modes USB HID

2 Interface Modes USB HID Mode：No driver and special software needed

the output voltage is VCC / 2

like car Audio

Sweatproof Workout Phone Holder for iPhone 11 Pro Max/Xr/ Xs Max/X/8/7 Plus

Advantec 07030070 Test Strips, Nickel Check (Ni2+), 0 to 1000 ppm; 100 Strips/Pk sold2025 2 Interface Modes USB HIDAdvantec 07030070 Test Strips, Nickel Check (Ni2+), 0 to 1000 ppm; 100 Strips Pk These ion Test strips make water testing fast and easy. Conveniently packed in screw top bottles, the Test papers are safe even in rugged field applications. Obtaining simultanious pH and ion concentration results couldn't be easier. Simply dip the Test strip in your water sample, wait about 15 seconds for the water to penetrate the strip, and Compare the color changes