Specifications
| Detect gas | VOC |
| range | 0~100ppm |
| resolution | 0.1ppm |
| Response time | ≤20s(T90) |
| Linearity | ≤±1% |
| Accuracy | ≤ +/- 3% (depending on the Sensors) |
| Zero drift | ≤ +/- 1% (F. S/year) |
| recovery time | ≤ 20 seconds |
| Repeatability | ≤±1% |
| gas expansion | Supports 1-6 Sensors (optional) |
| Explosion-proof sign | CNEx16.0547 |
| Protection level | IP65 |
| production license | Guangdong 00001052 (CMC metrology authentication) |
| Humidity measurement | Optional accessories, temperature detection range: -25~ 60 ℃, Humidity detection range: 0~95% RH |
| Sampling method | Diffusion, flow, pump suction optional |
| Installation method | Wall-mounted, pipeline type (thread size: M40X1.5mm), circulation type |
| signal output | ① 4-20mA signal: standard 16-bit Accuracy 4-20mA output chip, transmission distance 1Km, ② RS485 signal: using standard MODBUS RTU protocol, transmission distance 2Km, ③ Voltage signal: 0-5V, 0-10V output, can be set by yourself |
| signal output | ④ Optional 4-20mA + Hart output, ⑤ Switching signal: standard 2 sets of relays, optional third set of relays, passive touchpoint, Capacity 220VAC 3A/24VDC 3A |
| transmission method | ① Cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 kilometers), ② TCP/IP transmission: support TCP/IP protocol, use optical fiber and network cable, long-distance real-time transmission through intranet and extranet (optional) |
| transmission method | ③ GPRS transmission: built-in GPRS module, real-time remote data transmission, no distance limit (optional), ④ wireless transmission: support 433Mhz, radio transmission mode, transmission distance 2-10Km, depending on different Power (optional) |
| receiving device | User computer, control alarm, PLC, DCS, mobile phone, tablet computer, etc. are optional |
| Alarm mode | On-site sound and light alarm, external alarm, remote Controller alarm, computer data collection software alarm, mobile app notification, SMS alarm optional |
| Alarm settings | ① Standard configuration two-level alarm, optional three-level alarm ② Gas Sensors can set two alarm modes of conventional high and low alarm and interval control, which can control the concentration range of gas ③ Temperature sensor can set the control range ④ Humidity Sensors can set the control range |
| Shell material | Die casting aluminum + sand blasting oxidation/fluorocarbon paint, explosion-proof and anti-corrosion |
| optional range | 0-100、500、1000、5000ppm |
| Operating temperature | -30~50℃ |
| Relative Humidity | ≤ 95% RH, non-condensing |
| Working pressure | 0 ~ 100Kpa |
| Power Supply | 24VDC（12~30VDC） |
| Dimension | 200*149*79mm |
| Net Weight | 1.5Kg |
| execution standard | GB3836.1-2010 "Explosive environments - Part 1: Equipment - General requirements", GB3836.2-2010 "Explosive environments - Part 2: Equipment protected by flameproof enclosures" d " |
Packing list
host X1, calibration cover X1, manual X1, certificate X1
After-sales instructions
Warranty days: 365 days
The warranty period of the instrument is one year (one year free warranty, except for damage caused by human causes), and the damaged parts will be replaced free of charge during the warranty period. The guaranteed supply time of the parts supporting the instrument is 5 years, and the price of the corresponding consumables and spare parts remains unchanged for 3 years.
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/16089/Specification.html , which is only used by users who purchase commodities from the NBCHAO.