China cheap tester for metal purity

Brand

Quarrz

Model

AU-300K / AU-600K / AU-900K

AU-120K / AU-200K

AU-1200K / AU-2000K / AU-3000K

        Style

Hot and Classic

High-precision

High-capacity

   Maximum weight

300g / 600g / 900g

120g / 200g

1200g / 2000g / 3000g

Weight standard deviation

0.005g / 0.005g /0.01g

0.001g

0.01g

Minmum measuring sample

Reference weight

4g / 4g / 5g

2g

5g

Density resolution

0.01g/cm3

0.001g/cm3

0.001g/cm3

Sink size

Length15.3 cm×width10.7 cm×height9.3cm

Length20.3 cm×width15.7 cm×height11.3cm

Measuring function

(1)karat value,percentage content,density for gold

(2)PT value,percentage content,density for platinum

(3)S value,percentage content,density for silver

(4)percentage content,density for other alloy.

Gold K value

(9 ,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24)K  &content percentage %

Platinum

PT600 ,PT650,PT700,PT750,PT800,PT850,PT900,PT950,PT1000  & content percentage %

Silver

S600 ,S650,S700,S750,S800,S850,S900,S950,S1000  & content %

Measuring principle

Archimedes buoyancy method

Measuring time

About 5 to 20 seconds

Measuring procedure

(1)Measure the weight in air firstly,press ENTER key.

(2)Place the sample into water to measure weight in water.Press ENTER

key.display result.

Parameter setting

Water temperature setting,measuring medium density setting,air density setting,main materials and secondary materials density setting,copper-silver proportion setting

Copper-silver proportion range

can be shifted cyclically with 9/1,8/2,7/3,6/4,5/5,4/6,3/7,2/8,1/9.the default setting is 7/3.

Calibration method

Single key calibration,automatic testing

      Standard accessories

(1)Host,(2)Sink,(3)Measuring plate,(4)Tweezers,(5)Thermometer,(6)weight,(7)windproof dustproof cover(8)One set of measuring gold dust accessories(9)Power supply

       Data interface

Standard RS-232 interface

       Optional accessories

AU-40 printer,AU-40A data connecting line

       Power supply

AC100V~240V  50HZ/60HZ   Europe standard

Gross weight/size

4.3kg/ Length 42.5 cm× width 17.5 cm×height 32.5cm
(no including weights)