Product name |
Turbidity meter |
Model |
HU-200TB-W Industrial-use turbidity converter |
Turbidity sensor type |
SS-120-W Industrial-use turbidity detector |
Measurement range |
Kaolin |
0 to 1000 (degrees) (Display range: 0 to 1100 (degrees)) or 0 to 1000 (mg/L) |
Formazin |
0 to 2000 (Display range: 0 to 2200 ) |
PSL |
0 to 100 (degrees) (Display range: 0 to 110 (degrees)) |
Transmission output setting range |
Kaolin |
Arbitrary setting within the range from 0.00 to 10.00 (degrees), 0.0 to 100.0 (degrees), 0 to 2200 (degrees) |
Formazin (NTU) |
PSL |
Display resolution |
- 0.01 degrees (Degree range: 0 to 10 (degrees))
- 0.1 degrees (Degree range: 0 to 100 (degrees))
- 1 degrees (Degree range: 100 to 2200 (degrees))
Selectable between fixed range (decimal point) and automatic range changeover
|
Performance |
Repeatability |
Within ±2% of the reading or ±0.04 degrees, whichever is larger (checked using the solid span bottle) |
Linearity |
The deviation at the mid-range point of the span calibration value is within ±2% of the span calibration value or ±0.04 degrees, whichever is larger |
Accuracy |
Within ±2% of reading |
Transmission output |
Number of current outputs:2
|
Output type |
4 mA to 20 mA DC, input/output isolation type |
Load resistance |
900 Ω (max.) |
Linearity |
Within ±0.08 mA (limited to the current linearity) |
Repeatability |
Within ±0.02 mA (limited to the current repeatability) |
Error output |
Provided with burnout function (3.8 mA or 21 mA) |
Hold function |
Selectable between the latest value hold and the preset value hold |
Contact output |
Number of output points: 6 |
Output type |
No-voltage output contact |
R1, R2 |
Contact type |
Relay contact, SPST (1a) |
Contact capacity |
250 V AC 3 A, 30 V DC 3 A (resistance load) |
Contact function |
Selectable from among the upper limit alarm, lower limit alarm, during transmission output hold, cleaning output and automatic calibration (closed at alarm operation, open under normal conditions and in a power-off state) |
Description of alarm |
- Setting range: Within turbidity measurement range
- Delay time: 0 to 600 (s)
|
R3 |
Contact type |
Relay contact, SPST (1a) |
Contact capacity |
30 V DC 1 A (resistance load) |
Contact function |
Selectable from among the upper limit alarm, lower limit alarm, during transmission output hold, cleaning output and automatic calibration (closed at alarm operation, open under normal conditions and in a power-off state) |
Description of alarm |
- Setting range: Within turbidity measurement range
- Delay time: 0 to 600 (s)
|
FAIL |
Contact type |
Relay contact, SPDT (1c) |
Contact capacity |
250 V AC 3 A, 30 V DC 3 A (resistance load) |
Contact function Error alarm (closed under normal condition, open in an error or power-off state) |
Description of alarm |
- Error alarms for values outside the measurement range,
self-checks, and calibration errors can be set
- Delay time: 0 to 600 (s)
|
RANG1, RANG2 |
Contact type |
Relay contact, SPST (1a) |
Contact capacity |
30 V DC 1 A (resistance load) |
Contact function |
Status output of the transmission output range |
Control output for automatic zero calibration (ZERO OUT, SAMPLE OUT) |
Number of output points |
2 |
Output type |
Voltage contact output (connection power supply voltage output) |
Contact capacity |
250 V AC 0.5 A |
Contact function |
SAMPLE OUT: Electric ball valve control output ZERO OUT: Solenoid valve control output |
Contact input |
Number of input points |
4 |
Contact type |
Open collector no-voltage “a” contact |
Condition |
ON resistance: 100 Ω max. Open-circuit voltage: 24 V DC Short-circuit current: 12 mA DC max. |
Contact function |
EXT1 |
Switchable between automatic zero calibration command and transmission hold |
EXT2 |
Switchable between cleaning command and transmission hold |
EXT3, EXT4 |
Selection command from four ranges using 2-bit contacts |
Communication function |
Type |
RS-485 |
Signal form |
Two wire type, the power source of the communication is isolated from the power of measurement circuit. (The power source of transmission and communication are not isolated.) |
Calibration |
Calibration method |
Zero calibration |
By filtered clean water |
Automatic zero calibration |
Zero calibration is performed automatically by switching to the filtered clean water (option) |
Span calibration |
Turbidity adjustment method by coefficient input |
Compatible standard substances |
Kaolin, Formazin (NTU), PSL |
Automatic zero calibration (option) |
Zero calibration method |
The electric valve of a sample line is closed, the electromagnetic valve of a zero line is opened, measured value is automatically judged to be zero within a time, and zero calibration is carried out. |
Setting |
Calibration cycle |
1 to 999 (h) |
Stability time |
1 to 60 (s) |
Stability level |
0.01 degrees/NTU to 0.05 degrees/NTU |
Hold time |
60 s to 600 s |
Cleaning function (option) |
Cleaning method |
Electric wiper type (executes cleaning operation by communicating with the converter) |
Setting |
Cleaning cycle |
0.1 to 168.0 (h) |
Cleaning time |
30 to 600 s |
Hold time |
60 to 600 s |
Timer accuracy |
Difference within 2 min per month |
Self-check |
Sensor check error |
Sensor error |
Converter error |
CPU abnormality, ADC abnormality, memory abnormality |
Operating temperature range |
−20℃ to 55℃(no freezing) |
Operating humidity range |
Relative humidity: 5% to 90% (no condensation) |
Storage temperature |
−25℃ to 65℃ |
Power supply |
Rated power supply voltage |
100 V to 240 V AC ±10% 50/60 Hz |
Power consumption |
35 VA (max.) when an automatic cleaner is connected. |
Others |
With built-in power switch for maintenance |
Compatible standards |
CE marking |
EMC :EN61326-1* Class A, Industrial electromagnetic environment Safety :EN61010-1 RoHS :EN50581 9. Industrial monitoring and control instruments |
FCC rules |
Part 15 Class A |
Structure |
Installation |
Outdoor installation type |
Installation method |
50 A pole-mounted or wall-mounted |
Protection class |
IP65 |
Material of case |
Aluminum alloy (coated with epoxy-modified melamine resin) |
Material of mounting brackets |
SUS304 |
Material of hood |
SUS304 (coated with epoxy-modified melamine resin) |
Material of display window |
Polycarbonate |
Display element |
Reflective monochrome LCD |
External dimensions |
180 mm (W) × 155 mm (H) × 115 mm (D) (excluding brackets) |
Mass |
Mainframe: approx. 3.5 kg (excluding brackets), hood, bracket: approx. 1 kg |