SJG-781 Online heavy metal monitoring deviceDetailed product description：

SJG-781 Online Heavy Metal Monitor

Application:
Determination of heavy metal (lead, cadmium, arsenic, mercury, etc.) content in drinking water sources and drinking water bodies
Process control: water quality monitoring in industrial wastewater, urban sewage discharge, sewage treatment and recycled water, battery plants, environmental protection, food and other fields

Key Features:
Measurement of heavy metal content (lead, cadmium, arsenic, mercury, etc.) in water using anodic dissolution method
Adopting industrial computer control, easy to operate, capable of data storage and analysis
Automatically enter the measurement start state
Equipped with leak alarm, heating temperature over limit protection and alarm, using buzzer
The function of setting, checking, and displaying time by oneself (year, month, day, hour, minute); A fail-safe mechanism
Remote communication alarm, display fault content, instrument automatic protection
The digestion time and temperature can be set by oneself, with functions such as timed measurement, cleaning, calibration, etc
Data storage, deletion, and retrieval functions (2000 sets), remote communication function
Output signal isolation of 4~20mA and coexistence of RS-232 interface

Main technical indicators:
1. Measurement range
Cadmium: 0.1ppb~10ppm, multi range
Lead: 0.1ppb~10ppm, multi range
Mercury: 0.1ppb~10ppm, multi range
Arsenic: 5ppb~8ppm, multi range
2. Measurement accuracy: ± 10% (measured value)
3. Measurement time: ≤ 20 minutes
4. Zero drift: ± 5mg/L
5. Range drift: ± 10%
6. Mean time between failures and continuous operation: ≥ 720h/time
7. Normal working conditions of the instrument
a) Environmental temperature: (0-40) ℃;
b) Relative humidity: not exceeding 90%;
c) Power supply: AC voltage (220 ± 22) V, frequency (50 ± 0.5) Hz;
d) There are no corrosive gases present in the surrounding air;
e) There are vibrations around that do not affect performance;
f) There is no electromagnetic interference that affects performance other than the geomagnetic field around.
8. Dimensions (length x width x height): 600mm x 455mm x 720mm
9. Weight: Approximately 50kg