isweek AS8900 User Manual

Model：AS8900

MULTI-GAS MONITOR

O %V OL

H S P PM

2

2

LE L%V OL

CO P PM

Version number:AS8900-0-1

C

ONTENTS

1.

NOTICE BEFORE USE

Caut ion s and war nin gs

Unit p ack ing

Prod uct s pe cif ica ti ons

Outl ook o f th e ins tru me nt

Intr odu ct ion

2.

OPERATION MANUAL

Instrumen t ope rat ion

Gas monitor ing m ode

Zero calibrati on mo de

Peak v alu e mode

Twa val ue mo de

Stel v alu e mo de

Configuratio n --------- --- --- ---------- --- -- (0 8)

Low al arm s ettin g mod e

High a lar m setti ng mo de

Twa ala rm se tting m ode

Stel a lar m se tti ng mo de

Secu rit y co de se tti ng m ode

Inst rum en t cal ibr at ion m ode

LEL sett in g mod e-- -- -

Accr ess or y AS89 30 sa mplin g pum p

---- --- -- --- --- -- --- --- -- - (01 )

---- --- -- --- --- -- --- --- -- --- --- -- --- --- - (0 3)

---- --- -- --- --- -- --- --- -- -- (0 3)

---- --- -- --- --- -- --- --- -( 04)

---- --- -- --- --- -- --- --- -- --- --- -- --- --- - (0 4)

--------- --- --- ---------- --- - (05 )

--------- --- --- ---------- --- -(0 5)

--------- --- --- ---------- --- ( 06）

--------- --- --- ---------- --- --- ---(07)

--------- --- --- ---------- --- --- ----(07)

--------- --- --- ---------- --- --- ----(08)

mode

--------- --- --- ---------- ( 09)

--------- --- --- ---------- (10 )

--------- --- --- ---------- -(11)

--------- --- --- ---------- ( 12)

--------- --- --- ------(13)

--------- --- --- ----- (14)

--------- --- --- ---------- --- -(1 6)

--------- --( 16)

3.

OTHE RS

Mant ain ance
War ran ty
Manu fac tu rin g sta te men ts
Encl our es

---- --- -- --- --- -- --- --- -- --- --- -- --- --- (1 7)

---- --- -- --- --- -- --- --- -- --- --- -- --- --- -- -- (1 8)

---- --- -- --- --- -- --- --- -- --- --- -- --- --- -- --( 18)

---- --- -- --- --- -- --- --- (1 8)

一、NOTICE BEFORE USE

1.1 CAU TION S AN D WARNI NGS

The user n eed t o read an d fol low the p roc edure s and
cond iti ons as be low t o pr eve nt an t fa ilu re mi gh t be
occu rre d du rin g ope ratin g thi s in str ume nt .
Insu ff ice nt oxyg en at mosph ere s may cau se co mbust ile

！

gas re adi ngs be lo wer t hen act ual c orrec ted r ea din gs.
Enri che d oxyge n atm os phe res m ay c aus e com bu sti le

！

gas re adi ngs be hi ghe r then th e act ua l cor rec te d
read ing s.

！

The in tru me nts n eed t o be r e-c ali br ate d aft er t he
inst rum en t has b een u se d in an a rea o f si lic on va po rs
were p res ent.
Plea se al ways be k ept c le an of t he se ns or op eni ng a nd

！

the wa ter b ar rie rs of t he i ntr ume nt .
The ox yge n re adi ngs w ill be ca use d te mpo rar y

！

fluc tua ti ons w hil e th e atm osp he ric p ree su re is s udd en ly
chan ged .
Plea se do n ot char ge th e ba tte ry or s er vin g the u ni t in

！

haza rdo us or enr ich ed atmo sph eres co ndi ti on.
The in tru me nt on ly su gg est ed to b e us ed by o per at ed

！

and se rvi ce d by qu ali fied pe rso nnel wh om ha s fully r ead
and un der stood t he in struc tio n ma nua l com pl ete ly.
Caut ion : hi gh offs cal e readi ngs i ndica te th e

！

envi rom ent mig ht be r ea che d to ex pl osi ve co nc ent rat io n
that i s als o a da nge r sig na l to re pre se nt th e are a is
haza rdo us.

The in str um ent i s rec om men ded t o be c ali bra te d the

！

sens iti vi ty wi th a 25 %, 5 0% of f ull c on cen tra ti on pe nta ne
or met han e. P lea se re fe rri ng to t he z ero / cal ib rat ion
sect ion o f th is in str uc tio n man ua l.
This i nsr um ent i s cer ti fie d to be n or mal u se wi th in th e

！

temp era tu re ra nge o f -2 0 deg . C to 40 d eg . C onl y.
The mo del o f AS8 900 m ust b e us ed on ly wi th m ode l

！

AS89 30 ex te rna l sam pl ing p ump . (E xcl ude d)

Other Items

-01-

-02-

1.2 UNI T PACK ING

The gi ft bo x sh oul d be co nt ain t he fo ll owi ng it em s

Descripti on Qua ntit y

AS89 00 4 in 1 m uilt ga ses m on ito r

Oper ati on m anu al

Carr yin g brouc h

3.7V r ech ar gab le li th ium b att er y

Char gin g adapt or

1PCS

1PCS

1PCS

1PCS

1PCS

1.3 PRO DUCT S PECI FICATION S

Sens or sp ec ifi cat io n:

Gas

Oxyg en ( O2)

Comb us til e (L EL )

Carb on M ono xi de (CO)

Hyro ge n Sul fi de (H2S )

Temper atu re and hu mid ity ran ge:

Oper at ing Tempera tu re: - 10 ~ 50℃ (exc ep t LEL is 0 ~ 40℃ )

Oper at ing H um id ity : 1 5~ 95 % RH , ty pi cal
Stor ag e Temp eratu re : 0 ~40℃

Size : 12 0.2 0m m x 64 .50 mm x 3 8.3 0m m

Wei ght : 20 0g

Batt ery s pe cif ica ti on:

Rech ar gea bl e lithi um -io n ba ttery, 3.7 Vo lt s

Batt er y wor ki ng r unt im e: 18 h ou rs . And 12 h ou rs wo rk w it h
AS893 0 sa mpl in g pump. (w ork i n ro om temp er atu re a nd
no ala rm c ond it ions. )

Rang e

0~30 %

0~10 0% LEL

0~99 9p pm

0~50 0p pm

-03-

Reso lut ion

0.1%

0.1%

1ppm
1ppm

T90

10se c

35se c

50se c
30se c

1.4 OUT LOOK O F THE IN STRU EMEN T

O %V O L

H S P PM

2

2

LE L %V O L

CO P P M

1.5 INT RODU CTIO NS

The AS890 0 mul ti-ga s mon itor is a p ort able an d han dheld
inst rum en t tha t is ca pa ble t o use c on tin uou sl y and
simu lta ne ous ly mo nitor ing 4 g ases; O xyg en , Com bus ti le ga s,
Carb on Mo noxid e and H ydrog en Su lfide . Eve ry g as re adi ngs
all sh ows i n one LCD d isp lay. Th e uni t al so pr ovi de u ser t o
conf igu re high a nd lo w alarm a s wel l as Twa and Ste l ala rms.
The un it wi ll b e aud io an d visua l ala rm once t he al arm
cond iti on is exc eed ed.

-04-

Operation

Explanations