Sierra monitor 4501-05 gas detector

Sierra monitor 4501-05 gas detector
smc
sierra monitor corporation
model no.: 4501-05
class 1
div.1
groups
b,c & d
h2s hydrogen sulfide
full scale: 0-100ppm h2s
factory settings: 100 ppm h2s
temp.range:-20ºc to +50ºc
limatherm 34-600 limanowa poland
instrument housing type xd-i80win
cl.i.gr.a,b,c,d;cl.ii.gr.e,f,g;cl.iii.,
type 4x
cl.i,zone 1,aex d iic,ip66
iecex fmg.06.0003u,ex d ii c,ip68
ii 2gd ex d td a21 iic,ftzu 04 atex 0265 u
ambient temp.:-40ºc to +85ºc(-40ºf to 185ºf)
made in usa
weight: 1.260 kg