Description
Instrument Introduction
LH-E4PH is a laboratory pH meter that includes pH, temperature, and potential 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 pH measuring instrument that provides users with rapid detection 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 electrode used is a BNC interface electrode, which has 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. Compliant with standards: Compliant with the 0.01 level calibration requirements of the national standard "JJG119-2018 Laboratory pH (Acidity) Meter", and meets all technical indicators for pH (Acidity) meter testing according to the national standard;
5. Multi parameter design, integrating pH, mV value, and temperature measurement modes;
6. The pH mode has three built-in standard buffer mode groups, including Chinese standard, European and American standard NIST；
7. Equipped with calibration, automatic/manual temperature compensation, and automatic/manual data storage;
8. It has three measurement modes: real-time measurement, interval measurement, and timed measurement;
9. 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;
10. It has Bluetooth function and can be configured with print transmission function, which can print or transmit real-time measurement data and historical data;
11. The instrument comes standard with a laboratory electrode holder and three sets of buffer solutions (standard samples);
12. It has WiFi function and can connect to Huayun through WiFi link.
Technical parameters
Detection parameters
1.PH
1.1 Measurement range: (0~20) 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. Temperature
2.1 Measurement range: (0~100) ℃
2.2 Response time: ≤ 30 seconds
2.3 Measurement accuracy: 1%
2.4 Resolution: 0.01 ℃
2.5 Calibration method: 1-point calibration
Instrument parameters
1. Instrument name: PH meter
2. Instrument model: LH-E4PH
3. Measurement items: pH, temperature, potential
Performance parameters
4.1 Measurement range: pH: (0.000~20.000) pH
mV：（-2000.00~2000.00）mV；
Temperature: (-25~125) ℃
4.2 Resolution: pH: 0.001, 0.01, 0.1pH; optional
MV: 0.01, 0.1, 1mV optional
Temperature: 0.1 ℃;
4.3 Basic Error: Complies with the 0.01 level requirement of JJG119-2018 Laboratory pH (Acidity) Meter
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.
