Automatic feeder AF-500 Jebao Automatic Food Feeder is a programmable automatic feeder with IC intelligent control, which allows you to adjust food quantity, feeding frequency and time. Features 3 AA alkaline batteries - non-rechargeable - included in the box. Adjustable daily feeding time. Timer synchronizable with local time. ...

Automatic feeder AF-250 Jebao Automatic Food Feeder is a programmable automatic feeder with IC intelligent control, which allows you to adjust food quantity, feeding frequency and time. Features 3 AA alkaline batteries - non-rechargeable - included in the box. Adjustable daily feeding time. Timer synchronizable with local time. ...

Ion Director Multi-Reference Highly precise and stabilized reference solution for ION Director calibration and cross-checking. Max. tol. +/ - 1% Ca: 420 mg/l Mg: 1300 mg/l K: 390 mg/l Na: 10700 mg/l NO3 11 mg/l

Ion Director reference B 500ml

Ion Director reference B 1000ml

Ion Director reference A 1000ml

Ion Director reference A 500ml

Buffer solution pH 4

KH Reference 1000 ml

Buffer solution conductivity 1.41ms

Buffer solution redox 220mv

Buffer solution conductivity 50ms