HORIBA U-54 (30m) Multi-parameter Water Quality Meter

pH

Measurement Method: Glass electrode

Measurement Range: 0–14 pH

Resolution: 0.01 pH

Repeatability: ±0.05 pH

Accuracy: ±0.1 pH

ORP

Measurement Method: Platinum electrode

Measurement Range: -2000 mV to +2000 mV

Resolution: 1 mV

Repeatability: ±5 mV

Accuracy: ±15 mV

DO (Dissolved Oxygen)

Measurement Method: Polarographic

Measurement Range: 0 to 50.0 mg/L

Resolution: 0.01 mg/L

Repeatability: ±0.1 mg/L

Accuracy:

0 to 20 mg/L: ±0.2 mg/L

20 to 50 mg/L: ±0.5 mg/L

Conductivity (COND)

Measurement Method: 4 AC electrode method

Range: 0 to 10 S/m (0 to 100 mS/cm)

Resolution:

0.000 to 0.999 mS/cm: 0.001 mS/cm

1.00 to 9.99 mS/cm: 0.01 mS/cm

10.0 to 99.9 mS/cm: 0.1 mS/cm

0.0 to 99.9 mS/m: 0.1 mS/m

0.100 to 0.999 S/m: 0.001 S/m

1.00 to 9.99 S/m: 0.01 S/m

Repeatability: ±0.05% F.S

Accuracy: ±1% F.S

Salinity

Measurement Method: Conductivity conversion

Measurement Range: 0 to 70 PPT

Resolution: 0.1 PPT

Repeatability: ±1 PPT

Accuracy: ±3 PPT

TDS (Total Dissolved Solids)

Measurement Method: Conductivity conversion

Measurement Range: 0 to 100 g/L

Resolution: 0.1% F.S.

Repeatability: ±2 g/L

Accuracy: ±5 g/L

Turbidity

Measurement Method: LED light source and 90° scattering method

Measurement Range: 0 to 1000 NTU

Resolution:

0 to 0.99 NTU: 0.01 NTU

1 to 99.9 NTU: 0.1 NTU

100 to 1000 NTU: 1 NTU

Repeatability: ±5% of reading or ±0.5 NTU

Accuracy: ±5% of reading or ±1 NTU

Sensor Probe

Temperature Range: -10 to 55℃

Diameter: Approx. 96 mm

Length: Approx. 340 mm

Cable Length: 30 m

Weight: Approx. 1,800 g

Auto Calibration: Available

Maximum Measuring Depth: 30 m

Liquid contact part material (liquid end material): PPS, glass, SUS316L, SUS304, FKM, PEEK, Q, titanium, FEP membrane, POM

Waterproof Rating: JIS Class 8

Controller

Dimensions: 115 (W) × 66 (D) × 283 (H) mm

Weight: Approx. 800 g

Display: 320 x 240 liquid crystal display with backlight (black and white)

Cable Length: 30 m

Memory Capacity: 10,000 data sets

Interface: USB

Battery: 4 × C-size batteries

Waterproof Rating: JIS Class 7

Battery Life: Approx. 70 hours (without backlight)

Storage Temperature: -10 to 60℃

Operating Temperature: -5 to 45℃

Datasheet