Ø Performance characteristics

· useGB/T7467-87The Water Quality-Determination of hexavalent chromium - Diphenylcarbazide spectrophotometric method ";GB/T7466-87The Water Quality-Determination of Total Chromium；

· Intelligent fault self diagnosis function makes instrument management and maintenance very convenient；

· Equipped with automatic range switching function, no need for manual setting；

· Equipped with reverse control function, the instrument can be remotely controlled through central control, increasing operational convenience；

· Sampling methods such as timing, interval, telemetry, etc. can be set；

· After abnormal reset and power outage, the instrument discharges residual reactantscombineAutomatically restore working status；

· Suitable for surface waterGroundwatersewageclassProcess detection；

· Equipped with network functionality, remote control of data can be achieved through the network；

· Sequential injection analysis method, simple flow path, low reagent consumption, high degree of automation；

· Adopting multi-channel valves, it has strong anti-corrosion performance, long service life, and is safe and reliable.

Model number

DH316G1

Method basis

Diphenylcarbazide spectrophotometric method

measuring range

0~10mg/L(Can be expanded according to customer requirements)

Accuracy

Error ≤±5%

Repeatability error

Error ≤±5%

Measurement period

The minimum measurement period is20min

sampling period

Time interval（10~9999minArbitrary adjustable) and whole point measurement mode

correctmode

Manual and automatic modes

Communication output

RS232perhapsRS485And analog quantity（4~20）mA

Comparison of actual water samples

Error ≤±10%

Size

tall1420X width500X deep400（mm）