Brand：Erun
Portable multi-parameter water quality tester
Model：ERUN-SP9
Parameters: COD, conductivity, PH, etc.
Portable multi-parameter water quality tester ERUN-SP9 adopts advanced optical method with 16-channel design, which can detect more than 60 water quality parameters and combine with electrode method to achieve accurate measurement of pH, conductivity, TDS, salinity, dissolved oxygen and water temperature and other indicators. The instrument supports the free combination of parameters to meet the diversified testing needs of users.
The device is integrated with dual temperature-controlled dissolver and equipped with high-capacity lithium battery, which supports water quality testing in the field environment without external power supply, greatly enhancing the convenience and practicability of field operation.
The instrument is widely used in scientific research institutions, colleges and universities, sewage treatment plants, environmental monitoring units, enterprise self-inspection and drinking water, surface water, groundwater quality testing and other fields, with excellent adaptability and stability.
number | Measurement items | Measurement range | unit | maximum error |
1 | COD (Chromium method Low range） | 5-200或5-150 | mg/L | 5% |
2 | COD (Chromium method High range） | 200-2000或150-2000 | mg/L | 5% |
3 | Ammonia (low range) | 0.00-5.00 | mg/L | 3%(F.S) |
4 | Ammonia nitrogen (high range) | 5.00-25.00 | mg/L | 3%(F.S) |
5 | Total phosphorus (low range) | 0.00-2.00 | mg/L | 5%(F.S) |
6 | Total phosphorus (high range) | 2.00-10.00 | mg/L | 5%(F.S) |
7 | Total nitrogen (low range) | 0.00-10.00 | mg/L | 5%(F.S) |
8 | Total nitrogen (high range) | 10.0-100.0 | mg/L | 5%(F.S) |
9 | CODMn (permanganate index) | 0.00-10.00 | mg/L | 0.2或5% |
10 | Residual chlorine (low range) | 0.00-2.00 | mg/L | 0.1或5% |
11 | Residual chlorine (high range) | 2.0-10.0 | mg/L | 5% |
12 | Total chlorine (low range) | 0.00-2.00 | mg/L | 0.1或5% |
13 | Total chlorine (high range) | 2.0-10.0 | mg/L | 5% |
14 | Chlorine dioxide (low range) | 0.00-2.00 | mg/L | 0.2或5% |
15 | Chlorine dioxide (high range) | 2.0-20.0 | mg/L | 5% |
16 | sulfate-free | 0.0-200 | mg/L | 5%(F.S) |
17 | Nitrate (nitrogen) | 0.00-10.00 | mg/L | 0.1 or 5% |
18 | Phosphate (low range) | 0.00-10.0 | mg/L | 0.2 or 5% |
19 | Phosphate (high range) | 10.0-50.0 | mg/L | 5% |
20 | Nitrite nitrogen (low) | 0.00-1.00 | mg/L | 0.05 or 5% |
21 | Nitrite nitrogen (high) | 1.0-5.0 | mg/L | 5% |
22 | sulfide | 0.00-1.00 | mg/L | 5%(F.S) |
23 | fluoride | 0.00-10.0 | mg/L | 5%(F.S) |
24 | cyanide | 0.00-0.50 | mg/L | 5%(F.S) |
25 | bromide | 0.00-5.00 | mg/L | 5%(F.S) |
26 | formaldehyde (HCHO) | 0.00-2.50 | mg/L | 5%(F.S) |
27 | Volatile phenols (low) | 0.00-5.00 | mg/L | 5%(F.S) |
28 | Volatile phenols (high) | 5.0-10.0 | mg/L | 5%(F.S) |
29 | hydrazine | 0.00-0.50 | mg/L | 5%(F.S) |
30 | Aniline compounds (low) | 0.00-1.00 | mg/L | 5%(F.S) |
31 | Aniline compounds (high) | 1.0-5.0 | mg/L | 5%(F.S) |
32 | silicon dioxide (SiO2) | 0.00-5.00 | mg/L | 5%(F.S) |
33 | silicate | 0.00-6.00 | mg/L | 5%(F.S) |
34 | Total alkalinity (low) | 0-100 | mg/L | 5%(F.S) |
35 | Total alkalinity (high) | 100-1000 | mg/L | 5%(F.S) |
36 | total hardness | 0.00-500 | mg/L | 5%(F.S) |
37 | Chloride ion (chloride) | 0.00-100.0 | mg/L | 5%(F.S) |
38 | ozone (O3) | 0.00-2.50 | mg/L | 5%(F.S) |
39 | Anionic surfactants | 0.00-1.00 | mg/L | 5%(F.S) |
40 | Ammonium ion (low) | 0.00-2.50 | mg/L | 5%(F.S) |
41 | Ammonium ion (high) | 2.5-25.0 | mg/L | 5%(F.S) |
42 | effective chlorine | 0.0-200 | mg/L | 5%(F.S) |
43 | chlorite | 0.00-20.0 | mg/L | 5%(F.S) |
44 | cyanuric acid HCN | 0-200 | mg/L | 5%(F.S) |
45 | urea (NH2)2CO | 0.00-4.00 | mg/L | 5%(F.S) |
46 | Cu(low) | 0.00-1.00 | mg/L | 5%(F.S) |
47 | Cu（high） | 1.0-10.0 | mg/L | 5%(F.S) |
48 | Zn | 0.00-5.00 | mg/L | 5%(F.S) |
49 | trace Ni(low) | 0.000-0.500 | mg/L | 5%(F.S) |
50 | trace Ni（high） | 0.50-1.00 | mg/L | 5%(F.S) |
51 | Ni | 0.00-10.00 | mg/L | 5%(F.S) |
52 | Fe(LOW) | 0.00-5.00 | mg/L | 5%(F.S) |
53 | Fe（HIGH） | 5.0-10.0 | mg/L | 5%(F.S) |
54 | Fe2+(低) | 0.00-5.00 | mg/L | 5%(F.S) |
55 | Fe2+（高） | 5.0-10.0 | mg/L | 5%(F.S) |
56 | Cr6+ | 0.00-1.00 | mg/L | 5%(F.S) |
57 | Cd | 0.05-0.50 | mg/L | 5%(F.S) |
58 | trace manganese (low) | 0.01-0.10 | mg/L | 5%(F.S) |
59 | trace manganese（high） | 0.10-1.00 | mg/L | 5%(F.S) |
60 | Mn | 0.00-5.00 | mg/L | 5%(F.S) |
61 | Cr | 0.00-1.00 | mg/L | 5%(F.S) |
62 | Al(low) | 0.00-0.50 | mg/L | 5%(F.S) |
63 | Al（high） | 0.5-5.0 | mg/L | 5%(F.S) |
64 | Ag | 0.00-1.00 | mg/L | 5%(F.S) |
65 | Mo | 0.00-1.00 | mg/L | 5%(F.S) |
66 | As(low) | 0.000-0.500 | mg/L | 5%(F.S) |
67 | As（high） | 0.50-5.00 | mg/L | 5%(F.S) |
68 | Be | 0.00-0.10 | mg/L | 5%(F.S) |
69 | B | 0.00-2.00 | mg/L | 5%(F.S) |
70 | Hg | 0.000-0.500 | mg/L | 5%(F.S) |
71 | Pt | 0.00-0.50 | mg/L | 5%(F.S) |
72 | antimony | 0.00-10.00 | mg/L | 5%(F.S) |
73 | barium | 0-100 | mg/L | 5%(F.S) |
74 | Colorimetry (low) | 0-50.0 | PCU | 3%(F.S) |
75 | Colorimetry (high) | 50-500 | PCU | 3%(F.S) |
76 | turbidity | 0-400 | NTU | ≤2%(F.S) |
77 | suspension | 0-1000 | mg/L | ≤2%(F.S) |
78 | PH (colorimetric) | 5.00-8.00 | pH | 0.1±0.1pH |
79 | PH (electrode method) | 0.00-14.00 | pH | ±0.05pH |
80 | Dissolved oxygen (colorimetric method) | 0.0-10.0 | mg/L | 0.1±5% |
81 | Dissolved oxygen (electrode method) | 0-20.0 | mg/L | ±0.2 |
82 | Conductivity (electrode method) | 0.00µs/cm-199.9ms/cm | m(u)S/cm | ±1.0% (F.S) |
83 | TDS (electrode method) | 0.0mg/L～199.9mg/L | mg/L | ±1.0% (F.S) |
84 | Salinity (electrode method) | 0-10000mg/L | mg/L | ±1.0% (F.S) |
1.Multi-functional detection ability: support nearly one hundred kinds of water quality parameters of concentration, absorbance, transmittance detection, measurement results can be stored, printed, query, and can be uploaded to the computer through the USB interface. 2.High-efficiency dual-temperature zone digestion system: Built-in 8-well dual-temperature zone digestion (4+4 independent temperature control), to meet the needs of multi-indicator, multi-batch testing, and enhance the efficiency of the experiment. 3.Integrated detection technology: fusion of electrode method and spectrophotometry in one, comprehensive coverage of electrochemical and colorimetric detection needs. 4.Three-proof design for outdoor environment: dust-proof, water-proof and collision-proof chassis with sturdy structure, integrated design to meet the needs of outdoor inspection, easy to carry and operate on site. 5.Long endurance: Equipped with large-capacity battery, the dual-temperature digestion can run continuously for more than 3 hours, and the endurance of the mainframe can be up to 48 hours, which can meet the needs of long-time on-site testing. 6.Large-capacity data management: 200 factory curves are pre-stored, 3000 user-defined curves are supported, and the data storage capacity is up to 99,999, supporting data query, backup and recovery. 7.Fast and Stable Measurement: LED light source responds quickly, the instrument is ready to use, stable and reliable measurement value, to enhance the inspection efficiency. 8.Data security and recovery features:Supports backup of user curves and inspection records, with one-key recovery function to prevent accidental data loss. 9.Humanized operation interface: Equipped with a large-size color touch screen, friendly interface, built-in operation guide, support for Chinese and English bilingual switching, to enhance the convenience of use. 10.Personalized customization service: the detection parameters and ranges can be customized and upgraded according to the user's needs to meet diversified application requirements. 11.System authority management: supports setting power-on password and system operation password to prevent unauthorized misoperation and safeguard data security. 12.Multi-level adjustment of light intensity: Provide 16 levels of light intensity adjustment function, flexible response to different signal strength, expanding the measurement range. 13.Precise Optical Calibration: Support optical calibration operation to ensure the precision of the optical system and enhance the detection accuracy and instrument stability. 14.Perfect data output function: support USB data export, can transfer test records to computer; support single or whole page printing, complete information (including parameter name, concentration, unit, test time, operator number, etc.). 15.Curve Traceability: The calibration details of each curve can be queried, including the concentration of the standard substance, absorbance, calibration time and operator number, realizing the complete reproduction of the calibration status. 16.Multi-language support and data export: the system supports switching between Chinese and English, which is convenient for international users; equipped with a USB interface, which is convenient for data export and management. |
