HANNA HI98301 笔式TDS（总固体溶解度）测定仪 (1999 ppm (mg/L))

Adwa AD201 Máy đo tổng chất rắn hòa tan bỏ túi ADWA AD201 (0~1999 ppm, ±2% f.s)

EZDO TDS5032 TDS测试笔 (0-1999 ppm, ±1%FS)

EZDO TDS5031 TDS测试笔 (0-19990 ppm;±1％FS)

EZDO 6031 TDS测试笔 (Waterproof, 0~19990 ppm; ± 1% FS)

SENSOREX SAM1-1500 智能TDS/电导率传感器套件 (0-5000 µS)

Adwa AD202 TDS（总固体溶解量）笔式水质测量分析仪表 (0.00~10.00 g/l, ±2% f.s)

HANNA HI8734 便携式TDS测定仪 (0.0-199.9mg/L(ppm); 0-1999mg/L(ppm); 0.00-19.99g/L(ppt))

Meinsberg LF 40/Set 便携式电导率测试仪/电导率仪 (0~500 mS, 0~500 g/l, -10~100 °C)

Ohaus ST20T-A TDS测试笔 （0.0 - 100.0 mg / L; 0.0 - 99.0°C）

Sinotester TDS-039 TDS Meter (0~9990ppm)