Model: PL-1、2、3
1. Type: Desktop
2. Testing method: Platinum cobalt standard colorimetric method.
3. Measuring range: 
residual chlorine, total chlorine, Combined residual chlorine: 0～5 mg/L
carbon dioxide: 0～10mg/L
ozone: 0～2 mg/L
4. Min. readout: 0.01mg/L
5. Error: ±5%FS
6. Repeatability:≤3%
 

 
· Model: P93706A
· Type: Portable
· Testing method: Platinum cobalt standard colorimetric method.
· Measuring range: 0～30mg/L
· Min. readout: 0.01mg/L
· Error: ±5%FS
· Repeatability:≤1%
 

 
Model: P93706B
1. Type: Portable
2. Testing method: Platinum cobalt standard colorimetric method.
3. Measuring range: 0～250mg/L
4. Min. readout: 0.1mg/L
5. Error: ±5%FS
6. Repeatability:≤1%
 

 
Model: PL-1B、2B、3B
1. Type: Portable
2. Testing method: Platinum cobalt standard colorimetric method.
3. Measuring range: 
residual chlorine, total chlorine, Combined residual chlorine: 0～5 mg/L
carbon dioxide: 0～10mg/L
ozone: 0～2 mg/L
4. Min. readout: 0.01mg/L
5. Error: ±5%FS
6. Repeatability:≤3%
 

 
Model: P series
1. Type: Desktop
2. Testing method: Platinum cobalt standard colorimetric method.
3. Measuring range: 
Residual chlorine: 0~2.5 low range
Residual chlorine: 0~10 high range
Total chlorine: 0～5.0
Combined residual chlorine: 0～2.5
Chlorine dioxide: 0～5.0
Nitrite: 0～0.3
Dissolved oxygen: 0～12
Ammonia nitrogen: 0～10
Iron: 0～0.8
4. Min. readout: 0.001mg/L
5. Error: ±5%FS
6. Repeatability:≤2%
 

 
Model: P9024
1. Type: Desktop
2. Testing method: Platinum cobalt standard colorimetric method.
3. Measuring range: 
Ozone: 0～2mg/L
Chlorine: 0～5mg/L
Total chlorine: 0～5mg/L
Carbon dioxide: 0～5mg/L
4. Min. readout: 0.01mg/L
5. Error: ±5%FS
6. Repeatability:≤3%
 

 
· Model: PSZ-20D
· Type: Portable
· Measuring range:0.10-5.00mg/L
· Accuracy:±2.0%
· Resolution: 0.001
· Stability:≤0.3%
· Display:LCD touch screen
· Communication interface:RS232, USB
 

Model: PCOD-810
 
1. Type: Desktop
2. Measuring range:5～2000mg/L, measured over dilution
3. Error:≤ ± 5 %
4. Repeatability:≤3%
5. Display:LCD
6. Temperature control:RT+~180°C
7. Capacity:4 samples

Model: PGZ-1000
 
1. Type:Desktop
2. Principle:90 º scattered light
3. Measuring range (NTU): 0.00-50.0 50.1-200 200.1-1000(automatic range switchover)
4. Min. readout (NTU):0.001
5. Error:±6%
6. Repeatability:≤0.5%
7. Zero drift:±0.3%F.S

Model: PGZ - A Series
 
1. Type:Desktop
2. Principle:90 º scattered light
3. Measuring range (NTU):0-20、0-200、0-10、0-100、0-500、0-50、0-1000
4. Min. readout (NTU):0.01, 0.001
5. Error:±6%（±2%F.S）
6. Repeatability:≤0.5%
7. Zero drift:±0.5%F.S