Constant temperature and humidity weighing system

Constant temperature and humidity weighing systemProduct Introduction

Constant temperature and humidity weighing systemTo meet the requirements specified in the Ministry of Environmental Protection standards HJ836-2017, HJ618-2011, and HJ656-2013, a high-precision balance is placed in a constant temperature and humidity environment. The sample to be weighed is placed in a constant temperature and humidity chamber and equilibrated for 24 hours before weighing. This product solves the problem of the influence of temperature and humidity changes in the laboratory environment on the weighing results of samples, greatly improving the accuracy of weighing sample results. This product is also used for weighing other samples with high requirements for symmetrical environments. HJ836-2017 "Determination of Low Concentration Particulate Matter in Fixed Pollution Source Exhaust Gas by Weight Method" HJ618-2011 "Determination of PM10 and PM2.5 in Environmental Air by Weight Method" HJ656-2013 "Technical Specification for Manual Monitoring of PM2.5 in Environmental Air by Weight Method" Product Features: 1. High precision in constant humidity control, meeting the requirements of national standards HJ836-2017 and HJ656-2013. 2. The system stability process is high, and the filtering process takes less than 30 minutes. After stabilization, weighing tests can be conducted at any time without waiting for the compressor to stop before weighing. 3. The human-machine interface adopts a touch screen that is beautiful and durable, displaying temperature and humidity values truthfully and allowing for viewing of temperature and humidity fluctuation curves through temperature and humidity curves. Historical temperature and humidity data can be recorded and viewed through tables. 4. The constant temperature and humidity box adopts a reasonable circulating air method, with soft wind and reasonable wind direction, which not only ensures uniform temperature and humidity inside the box, but also does not interfere with the weighing of the balance due to strong wind. 5. The compressor unit and casing adopt an integrated transportation/separate operation structure, which is convenient for transportation and installation, and effectively avoids the influence of compressor vibration on the weighing balance, overcoming the problem of shock resistance and noise reduction. 6. The heating and cooling systems are fully independent. 7. Standard purified water circulation supply method for humidification. 8. Supply air circulation system: temperature resistant and low-noise air conditioning motor, multi blade axial flow fan. 9. There are two operation entrances on the box, which are isolated with latex gloves to avoid the influence of manual operation on constant temperature and humidity conditions. 10. Overall equipment overheating, overload, leakage protection, compressor overpressure protection, low voltage protection. 11. Different sample supports can be configured to weigh different samples. 12. Optional high-precision 1/100000 electronic balance, with Chinese operating system, dual range, fully automatic calibration.

Constant temperature and humidity weighing systemProduct Parameters:

1. Temperature range: 15 ℃~35 ℃ 2. Temperature fluctuation: ± 0.5 ℃ 3. Temperature resolution: 0.1 ℃ 4. Humidity range: 30~70% RH5. Humidity resolution: 0.1% R.H6 Humidity fluctuation: ± 3% R.H7 Power supply: 220V 50/60HZ 8. Temperature control accuracy: ± 0.1 ℃ 9. Display resolution: time: 0.1min, temperature: 0.1 ℃, humidity 0.1% RH10. Safety protection: 10.1 Refrigeration system: compressor overpressure protection, compressor motor overheating protection, compressor overcurrent protection 10.2 Constant temperature and humidity box: over temperature protection, water shortage protection, temperature over temperature insulation, fan overheating protection Electrical appliances: leakage protection, overload protection, load short circuit protection.