Jiangsu home alarm manufacturer

Styrene detector (SST-9801TB models) features: high accuracy: CPU with high-grade single-chip, high operation speed, reliability, intuitive display, clear: digital and analog clock display, alarm information refer to the operating convenience: the use of the keyboard operation, calibration via potentiometer Connection: Three-wire connection variety of signal outputs: output high, low, the alarm relay contact signal Easy installation: professionally designed mounting bracket, the instrument site easy installation, convenient maintenance: modular structure design for easy system maintenance advanced micro-processing technology, intelligent menu design, provide more built-in features bright LED display with concentration and time query functions to display full-function self-test, fault diagnosis Technical parameters: Detection principle: catalytic combustion (high sensitivity). Detection of gas: combustible gas. Measuring range: 0-100% LEL Accuracy: ± 1% FS Alarm setting: the lower limit of 25%, the upper limit of 50% (the user can arbitrarily set their own). Response time: <7S Recovery time: <12S Alarm: sound, light alarm, digital display. Explosion-proof way: intrinsically safe, explosion-proof (can choose one type of protection detector) proof mark: ExibⅡCT3, Exd ⅡCT6 proof connection: G3 / 4 pipe thread output signal: two pairs of alarm input (shock capacity AC220V / 5A), one pair of standard 4-20mA current output, one pair DC24V output or input. Power supply: AC220V ± 10%, 50 / 60Hz. Connecting Cables: ≥RVV3 × 1.5mm2 transmission distance: ≤1200m proof grade: ExdⅡCT6 Connection: between the alarm and detector using three core cable connection, see the relevant technical specifications.