Shanghai Jingqi Oscillographic Polarograph (all-in-one) JQ900, Shanghai Jingqi Instrument Co., Ltd. (CAT#: STEM-AI-0890-YJL)

Shanghai Jingqi Oscillographic Polarograph (all-in-one) JQ900, model JQ900 is manufactured by Shanghai Jingqi Instrument Co., Ltd.
The instrument system has a software copyright certificate. The stand-alone operation of the instrument does not require an external computer. A USB interface is reserved, which can be connected to a microcomputer for results statistics, data query, report preparation, and report printing, etc.

Test samples: food, water quality, cosmetics, soil, minerals, feed, etc.
Test items: Cr, Mo, Pb, Cd, Zn, Fe, Cu and other heavy metals
Main functions: digital linear scanning polarography
Product implementation standard: The product meets the Q/0802HY004-2014 standard
Instrument configuration: one host, one set of controllable working (suspension mercury drop) electrodes, one reference electrode, and one platinum wire electrode.
Measuring current sensitivity: 0.1uA—819.2uA, a total of fourteen levels
Overall power consumption: about 20W
Lower detection limit: ≤5×10-8mol/L
Resolution ≤ 35mV
Current range: 0.01uA～1000uA
Polarographic voltage width: -5000mV～+5000mV
Scan voltage: 0V～4000mV
Scan time: 0.25s～1000s
Initial voltage: +2.54—-2.54v,
Scan voltage: +2.54—-2.54v.
Scanning speed: 1mV/S～1000mV/S
Precision: RSD≤1%
Linear relationship: r≥0.9990
Anti-reduction ability: 1:10000

Membrane switch key operation instrument, flexible and beautiful, easy to operate.
Equipped with a built-in thermal printer, the peak-seeking position is automatically memorized, and the working curve is stored and recalled conveniently.
The positive and negative polarities are automatically converted, and the calculation results are automatically displayed for peak height and concentration.

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