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Instrument Introduction
LH-E4ISE is a laboratory ion meter that detects pH, ORP, and various ion indicators. It uses a 7-inch touchscreen display and is equipped with a self-developed LHOS intelligent interactive system, making it easy to operate; The instrument has stable performance, accurate measurement, wide measurement range, powerful functions, and simple operation. It is a multi-parameter instrument that provides users with rapid testing in the laboratory.
Functional Feature
1.This instrument is an electrochemical spark series laboratory multiparameter ion meter developed based on the Lianhua LHOS system. The electrodes used are all BNC interface electrodes, which have strong versatility.
2. 7.0-inch touch screen LCD display, user-friendly programming, intuitive display, easy operation.
3. The instrument can switch between Chinese and English displays with just one click, making the dual language design more practical.
4. Comply with the 0.01 level calibration requirements of the national standard "JJG757-2018 Laboratory Ion Meter" and meet all technical indicators of the national standard ion meter testing.
5. Multi parameter design, integrating pH, ISE ion concentration, mV value, ORP， Integrating five temperature measurement modes.
6. The pH mode has three built-in standard buffer mode groups, including Chinese standard, European and American standard NIST.
7. The ISE ion concentration mode has 10 commonly used ions built-in and three custom ions reserved. Four units are available: pX, mol/L, mg/L, and ppm.
8. Equipped with calibration, automatic/manual temperature compensation, and automatic/manual data storage.
9. It has three measurement modes: real-time measurement, interval measurement, and timed measurement.
10. Each testing item can store 5000 pieces of data per data, supporting data retrieval, deletion, and printing. Data will not be lost after power failure.
11. It has Bluetooth function and can be configured with print transmission function, which can print or transmit real-time measurement data and historical data.
12. The instrument comes standard with a laboratory electromagnetic stirrer and electrode bracket to ensure the stability and accuracy of on-site testing.
Technical parameter
Detection parameters
1.PH
1.1 Measurement range: (0~14) pH
1.2 Response time: ≤ 30 seconds
1.3 Measurement accuracy: ± 0.02pH
1.4 Resolution: 0.01pH
1.5 Temperature compensation: (5-60) ℃ automatic
1.6 Calibration method: 1-5 point calibration
2.ORP
2.1 Measurement range: -1000mV~1000mV
2.2 Response time: ≤ 30 seconds
2.3 Measurement accuracy: ± 1mV
2.4 Resolution: 0.01
2.5 Temperature compensation: (5-60) ℃ automatic
2.6 Calibration method: 1-point calibration
3. Temperature
3.1 Measurement range: (0~100) ℃
3.2 Response time: ≤ 30 seconds
3.3 Measurement accuracy: 1%
3.4 Resolution: 0.01 ℃
3.5 Calibration method: 1-point calibration
4. Fluoride ion
4.1 Measurement range: (0.019-1900) mg/L
4.2 Response time: ≤ 60 seconds
4.3 Measurement accuracy: ± 10%
4.4 Resolution: 0.1mV
4.5 Temperature compensation: (5-60) ℃ automatic
4.6 Calibration method: 2-point calibration
5. Chloride ion
5.1 Measurement range: (0.7-3500) mg/L
5.2 Response time: ≤ 60 seconds
5.3 Measurement accuracy: ± 10%
5.4 Resolution: 0.1mV
5.5 Temperature compensation: (5-60) ℃ automatic
5.6 Calibration method: 2-point calibration
6. Bromine ion
6.1 Measurement range: (0.4-8000) mg/L
6.2 Response time: ≤ 60 seconds
6.3 Measurement accuracy: ± 10%
6.4 Resolution: 0.1mV
6.5 Temperature compensation: (5-60) ℃ automatic
6.6 Calibration method: 2-point calibration
7. Iodine ion
7.1 Measurement range: (0.1-12700) mg/L
7.2 Response time: ≤ 60 seconds
7.3 Measurement accuracy: ± 10%
7.4 Resolution: 0.1mV
7.5 Temperature compensation: (5-60) ℃ automatic
7.6 Calibration method: 2-point calibration
8. Calcium ion
8.1 Measurement range: (0.4-4000) mg/L
8.2 Response time: ≤ 60 seconds
8.3 Measurement accuracy: ± 10%
8.4 Resolution: 0.1mV
8.5 Temperature compensation: (5-60) ℃ automatic
8.6 Calibration method: 2-point calibration
9. Nitrate ion
9.1 Measurement range: (0.62-6200) mg/L
9.2 Response time: ≤ 60 seconds
9.3 Measurement accuracy: ± 10%
9.4 Resolution: 0.1mV
9.5 Temperature compensation: (5-60) ℃ automatic
9.6 Calibration method: 2-point calibration
10. Ammonium ion
10.1 Measurement range: (0.018-1800) mg/L
10.2 Response time: ≤ 60 seconds
10.3 Measurement accuracy: ± 10%
10.4 Resolution: 0.1mV
10.5 Temperature compensation: (5-60) ℃ automatic
10.6 Calibration method: 2-point calibration
11. Potassium ion
11.1 Measurement range: (0.39-3900) mg/L
11.2 Response time: ≤ 60 seconds
11.3 Measurement accuracy: ± 10%
11.4 Resolution: 0.1mV
11.5 Temperature compensation: (5-60) ℃ automatic
11.6 Calibration method: 2-point calibration
12. Sodium ion
12.1 Measurement range: (0.23-2300) mg/L
12.2 Response time: ≤ 60 seconds
12.3 Measurement accuracy: ± 10%
12.4 Resolution: 0.1mV
12.5 Temperature compensation: (5-60) ℃ automatic
12.6 Calibration method: 2-point calibration
13. Copper ion
13.1 Measurement range: (0.64-6400) mg/L
13.2 Response time: ≤ 60 seconds
13.3 Measurement accuracy: ± 10%
13.4 Resolution: 0.1mV
13.5 Temperature compensation: (5-60) ℃ automatic
13.6 Calibration method: 2-point calibration
Performance parameter
4.1 Measurement range: pH/pX: (0.000~20.000) pH; （0.000~14.000）pX；
mV：（-2000.00~2000.00）mV；
Ionic concentration: (0-1) mol/L; Optional units: pX, mol/L, mg/L, ppm;
Resolution: pH/pX: 0.001, 0.01, 0.1pH/pX; optional
MV: 0.01, 0.1, 1mV optional
Temperature: 0.1 ℃;
4.3 Basic Error: Complies with the 0.01 level requirements of JJG757-2018 Laboratory Ion Meter
Error of pX Ⅰ reading of the electric meter: ± 0.01; PX Ⅱ indication error: ± 0.02
Potential indication error: ± 0.1% F.S;
Temperature: ± 0.5 ℃;
5. Physical parameters
5.1 Display screen: 7-inch touch LCD display screen;
5.2 Printer: Optional portable Bluetooth printer;
5.3 Communication method: USB transmission;
5.4 Instrument size: 226 * 158 * 62mm
5.5 Whole machine weight: 1.1Kg.
6. Working parameters
6.1 Operating temperature: (0~60) ℃;
6.2 Working power supply: DC12V, 1A;
6.3 Host power: 6W
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Instrument name |
Ion meter |
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Instrument model |
LH-E4ISE |
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Measurement metrics |
Measurement range |
Measurement accuracy |
Resolution |
Response time |
Temperature compensation |
Calibration method |
|
pH |
0-14 |
±0.02 |
0.01 |
≤30s |
(5-60）℃(automatic) |
1-5 points |
|
ORP |
-1000-+1000mV |
±1mV |
0.01mV |
≤30s |
(5-60)℃(automatic) |
1 point |
|
Temperature |
0-100℃ |
1% |
0.01℃ |
≤30s |
/ |
1 point |
|
Fluoride ion |
0.019-1900 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Chloride ion |
0.7-3500 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Bromide ion |
0.4-8000 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Iodide ion |
0.1-12700 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Calcium ion |
0.4-4000 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Nitrate |
0.62-6200 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Ammonium ion |
0.018-1800 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Potassium ion |
0.39-3900 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
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Sodium ion |
0.023-2300 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
|
Copper ion |
0.64-6400 |
±10% |
0.1mV |
≤60s |
(5-60)℃(manual) |
2 points |
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