ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Short Description
ZR-3930B is a small flow automatic membrane changer sampler, which can be applied to continuous measuring of PM 2.5 and PM10. The system consists of a PM10 cutting head, a PM2.5 cutter, an atmospheric temperature detection unit, an automatic filter replacement unit, a flow control system, and a temperature control system.
Specifications
Sampling flow: Range: 16.7L/min, Resolution: 0.01L/min, Accuracy: ±2.0%
Sampling time: Range: 1min～99h59min, Resolution: 1s, Accuracy: ±0.2%
Atmospheric pressure: Range: (60～130）kPa, Resolution: 0.01kPa, Accuracy: ±0.5kPa
Resistance: Resistance > 35Kpa at 16.7L / min flow
Size of the filter membrane: Φ47mm
PM10 cutter: Da50=(10±0.5)μm, σg=1.5±0.1
PM2.5 cutter: Da50=(2.5±0.2)μm, σg=1.2±0.1
Data storage: 1000
Noise: ≤55dB（A）
20 membranes
Size: (L495×W280 ×H 680)mm
Weight: About 25kg
Power consumption: ≤200W
10 membranes
Size: (L495×W280×H540)mm
Weight: About 20kg
Power consumption: ≤100W
Product Detail
Ambient air particulate matter sampler,equipped with particle separate device in line with national and American EPA standards is used for PM10,PM2.5 date quality control comparison of air automatic station.
Standards
HJ 618-2011 Ambient air PM10 and PM2.5 gravimetric method
EPA Air Quality Criteria for Particulate Matter
Features
> Compliance with US EPA equivalent method.
> The control system is stable, so that the flow rate is stable at 16.7L/min.
> Diversified cutters, with optional impact or cyclone cutters; Automatic film change under unattended operation.
> Intelligent temperature control system to ensure sampler operation under extreme weather conditions.
> Waterproof and dust proof.
> The sampling group,time and period can be set flexibly.
> Support wireless (GPRS) and wired (RS-232/USB) data transmission, remote monitoring via PC and SMS notification with mobile phone.
> Automatic measurement and storage of various environmental parameters.
