Measurement range:

(0.00～20.0)mg/L; 0-200%Saturation;

display Show:

Chinese/English，480×272Dot matrix LCD

Maximum resolution:

0.01 mg/L；0.01%

Instrument indication error:

The relative error of the instrument's indication is not greater than ±0.3mg/L

Instrument repeatability:

1%

Zero drift:

±1%FS/30min

Instrument stability:

±1%FS/30min

Temperature electrode:

NTC30K

Temperature measurement accuracy

±0.5℃

Temperature measurement resolution:

0.1℃

Water sample temperature:

（0～50）℃

Measure water samplepHValue range:

pH 2-10

Sensor material:

316Lstainless steel

Current output:

（0～10）mA、 （0～20）mAOr（4～20）mA(Dual channel independent isolated output) optional, dual channel800Ω load, error0.1mA）

Digital output:

RS485；HARTOptional

Relay output:

Dual channel configurable

Data storage:

≥10Ten thousand points

Sensor withstand voltage:

≤1MPaSinking depth ≤2m

Response time:

T90≤60s

electric source:

AC (100～240)V、(50～60)Hz；DC 24VOptional

relative humidity:

≤90%(No condensation)

Storage and transportation temperature:

（-10～60）℃

Safety requirements:

Leakage current:

≤3.5mA

Grounding resistance:

≤0.5Ω

Insulation resistance:

The insulation resistance of the power supply phase and neutral line of the electronic unit to ground is ≥40MΩ

Insulation strength:

The power supply phase, neutral line and ground, as well as the power input terminal and any metal parts that may be touched, should be able to withstandAC1500V，50HzTest voltage, duration1min,There should be no breakdown or flying fox phenomenon,

External dimensions of secondary instruments:

146mm×146mm

Sensor dimensions:

302mm×155mm

Sensor cable length:

10m

Sensor installation method:

Immersion installation

Button requirements:

8key

Installation method of secondary meter:

Embedded, wall mounted, and pipe mounted.

Gong Gong rate:

≤12W

weight:

6kg