Fixed Type Cas Alarim
Combustible Gas Alarrn    TS-303
Oxygen Gas Alarrn         TO‐ 303
Toxic Gas Alarm           TK-303
    TOKASEIKICO.′ LTD.
Design based on new thought.
303 series has become complete by three kinds such as combustible gas,oxygen and toxic gas
丁his is fixed type gas detectorllvith one detection points.
The rnain body design is standardized and 9ood appearance.
System configuration
 lndicating alarm unit 303 series
                                                                  ■I(Dutstanding corrosion
                                                                    resistance and insulation
                                                                    properties(Resin body)
                                                                  ■II⊃ rip… proof construction
                                                                  ■ With dirrlmer function
                       萎                                          ■ Extension alarrrn contact
                                                                    (dry)
                 ‐
                                 諄
                                                                  ■ 4… 20mA Signal output
                             1
              錮沐 瘍
                                                                    (OptiOn)
  Detection unit
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    SPECIFiCAT10NS/303 SERIES
     M● del                  TS‐ 303A                                             TO‐ 303                                        TK4303
     Measurement Cas General Combusuble Gas(・                  1)                  Oxygen                                         Tox c Gas(☆ 2)
     Principle               Catalytic Combusion                                   Galvanic Ce‖                                   Electro Chemical
                                                                                                                                                                              ●〓■
     Measurement Range Oγ 100%LEL                                                 0∼ 25%02                                        Please referto table of rneasurement gas
     Accuracy                Wnhin±     576 of fu‖   scale                        wnhin± o7%02                                    Wnhin± 5∼ 10%of     full scale
                                                                                                                                  More than 1/10 offu‖ sCale
                                                                                                                                                                                ニ
     Alarm SetJng Leve       More than 1/10 offu‖      scale                       More than lノ 10 offu‖ scale
     Accuracy of Alarm        Wnhin± 25%of alarm setting level                    VVithin± 2596 of alarm setting level            vvnhin± 2596 0f alarm seting level
     Respohse Speed         Within 30 second response(☆             3)             VVithin 1 0 second 90,6 response               VVithin 30 second response(・     3)
     Env ronmental Cond面   on -10℃ ∼50℃ under 95%RH                                0℃ ∼40℃ under 95%RH                            0℃ ∼40℃ under 85%RH
     Power                   AC100V,50/60Hz(aVai able for DC1 2V,DC24V)AC100V,50/60Hz(aVa‖                 ab efor DC12Ⅵ DC24V)AC100V,50/60Hz(aVal able for DC1 2V,DC24V)
    External Alarm Contacl Extension Alarm Contact(dry)lC                          Extension Alarm Contact(dry)lC                 Extension Alarm Contact(dry)lC
―
     indicaing Lamp Ac■ on lndication:Green                                        Action indication:Green                        AcJon lndication:Green
                             Alarm indicalon:Red                                   Alarm lndicaJon:Red                            Alarm lnd ca■ on:Red
                              Defect lndication:Red                                Alarm lndication:lntermittent buzzer           Alarm indication:intermittent buzzer
     Audible Alarm           Alarm indication:lntermntent buzzer
                              Defect indication:Constanttone
     Option                   l Recorder output(0-100mヽ ち4-20mA etc)          3 Two level alarm output(la Orlb)
                                                                                                                             ※ n cOuld nOtbe combined wnh l and 2 or3 and 4
                              2 Addnional meter output(0-500μ            A)    4 The second contact point output(la Orlb)
     *l A general combuslble gas is propane,butane,CNG,LNG,and an ethanol,etc
     *2 Please referto the attached table(gas for detection)forthe toxic gas
     *3 With using gas of 160%densly for alarm setting level
            Wa‖ ―mounted type                                                       Flush― mounted
                                                                                  Flush―   n∩     (type
V
                                                                                                                                              Pane cuting d mens on
        Flush―      mounted type with three point combination
                                                                                                                              Pane cutung d mens on
                                                                                                             0               李                      ●
                                                                                                                                ⅢII'議ⅢⅢI                 丁LV Meas range
                                                                                                                                                        (ppm) (ppm)
                                                                                     As referto atached table
                                                                                                                      CO I■ ││IⅢ ⅢMOn。_。 xld            │● :■ │15o
                                                                                                                                                          10      0-30
                                                       VVithin ten seconds of        Within 60 seconds(★    )          NH■ ■■ Ⅲ   de■ ││■ 1´ ││■ │■ 75
                                                                                                                                                    │
                                                        90°/O   respOnse level
                                                                                                                       Hcl   Ammonia        5   0∼ 15
                                                                                                                                  'IⅢ
                      ltis possible to setit voluntarily by 1/10 or rnore offu‖   ―
                                                                                  scale (AL2 is set separately)
                                                                                                                       Ci2        lyす 。
                                                                                                                                      gen,hfOrlde       ■11■ │■      │‐
                                                                                                                                                                          3
                      VV■ hin±   25%of alarm seting level(AL2 is set separately)                                       HF         Chlorine                3       0- 9
                                                                          AC125V、 3A                                   HCN■
                      Representauve contact(ALl,AL2):lc orla、
                                                                           05A
                                                                                                                               ■■Hydrogen甲      111111111130
                       lndividual oontact:(ALl,AL2):la、 AC125V、
                                                                                                                       PH3       Hydrogen Cyanide03 0∼ 1
                       Red LED b‖ nking and intermittent buzzer                                                                            "lde
                                                                                                                       S021111Ⅲ OSpl■ ■■│ 1111110∼ 115
                                                                                                                                                  5   0∼ 15
                       4∼ 20mA(Load resistance 250 0)
                                                                                                                       N021■ Acetl“ │■ ■ ■●│││10■ ‐       3o
                                                                                                                       CH3NH2 Nitrogen Dioxlde    10  0∼  30
                       AC100V50/60Hz(Available for ACl10V AC220V,DC12v and DC24V)                                      Br2 11111111,│IⅢ      ⅢIII       111111111101110
                                                                                                                       AsH3     Bromine                   0.3    0∼ 1
                      375(W)X384(H)Xl10(D)mm (ln Case of six points type)
     )W th using gas of 160,6 density for alarm setting level
                                                                                                                       は││■ ■IⅢ Ⅲ
                                                                                                                                I■ ■ │                  111111111113
                                                                                                                                                          3       0∼ 10
(★
                                                                                                                       (clし ,:ヽ ││■ IDlboralllll■ ││    111111111∼ 130
● Emergency DC―AC inverter Specrica10n                                                                                 SiH4                               3     0∼ 10
                                                                                                                       Si2H6      Sila■   ■■│           1● │││■        10
                                                                                                                       Si3H8                              3       0∼ 10
                      AC100V(Commercial power)
                      AC100V(Sine‐ Wave)、 50Hz(n is possib e to specify 60Hz)
                                                                                                                       BF311      十llsilanざ ││■ │       1111110115
                      About tWO years                                                                                                          3   0∼ 15
                      One hour(in Case rated loading 60Ⅵ        ′
                                                                )     One hour(in Case rated                           A,FIII■ ││■ IⅢ Ⅲl■ ¨ 1111:│││││││15
                                                                                                                       02    Arsenic        18%02 0∼ 25%02
                      380(W)X310(H)X169(D)                            480(W)× 400(H)× 212(D)
                                                                                                                       :::jrll111:;}「 1+│││             1篤     IT
                                                                             Emergency                                                              5000 settes
                                                                             DC― AC inverter                                                        Wa‖ ‐
                                                                                                                                                        mounted type
                                                                            TPK-20WISi)                                                             TU-5000(W)
※Specifications are subject to change without any prior notice
MANUFACTURED BY:                                                                                           DISTRIBUttED BY:
TOKA SEIKICO口 ′LTDロ
3-239-2,Kosugi,Nakahara― ku,
Kawasaki,」 APAN
              211-0063
PHONE:+81-44-722-2000
FAX :+81-44-722-7460
E―ma‖ :sales@toka¨ selki.co.jp
http://www.toka― selki.co.jp
                                                                                                                                                               T0609012(N)