8/18/2019 Beethoven Exploders Data Sheet

1/2

ARBRABEETHOVENSHOT FIRINGEXPLODERS

• Sa

• Robust

• Riab

• Had ratd owr

Bthov

Shot firi eodr

ARBRA Istrumts

Arbra Instruments have been specialist manufacturers of

sot rin xplodrs sinc t arl 1940’s.

T Arbra trad nam ‘Btovn’ is amos troot

t minin and qarrin indstr or qalit and rliabilit,

All xplodrs manactrd b Arbra ar sd to ‘r’ lctric

dtonators wic ar sd in sris to iniat i xplosiv

cars.

T xplodrs ma b sd to r a sinl dtonator

(i.. nonl sstm) as wll as a circit o dtonators connctd

in sris.

T xplodr provids no nr to start all t

dtonators bor t circit is brokn b t xplosion.

Arbra xplodrs ar availabl or dtonators in t ran

0-13 Amps in svral dirnt modls. Ts xplodrs

ar on o a ran o prodcts manactrd b Arbra

Instrmnts and or sals oc wold b dlitd to lp

o slct t most appropriat on or or applicaon.

Arbra also or a ran o blasn accssoris incldin

an Approvd Ommtr or s in ‘Prmid Aras’.

AS PART Of The ARBRA POLICy Of CONTINuINg PRODuCT DeVeLOPMeNT We ReSeRVe The RIghT TO AMeND SPeCIfICATIONS WIThOuT PRIOR NOTICe.

SpecIfIcATIOn

Approvd

Built in Ohmmeter

Atomac firin

5ms ct o 

Wit Ks

Minimm capacitanc (μƒ)

Maximm r volta (Vdc)

Maximm intrnal sris rsistanc (Oms)

Maximm carin m (Sc.)

Minimm r car (Jols)

Maximm m to b sa

ar rin bon rlasd (Sc.)

Maximm Ommtr tst crrnt (mA)

Ommtr Rsistanc Ran (Oms)

MK7

Yes

Yes

Yes

Yes

5

9.5

950

111

3

4.3

1

1

0-1999

MK8

Yes

No

Yes

Yes

4

9.5

950

111

3

4.3

1

-

-

MK19

No

No

Yes

Yes

4

9.5

780

62

2

2.9

1

-

-

MK21

No

No

Yes

No

4.5

19

950

9.4

4

8.6

1

-

-

MK22

No

No

Yes

No

4.5

28.5

950

9.4

7

12.9

1

-

-

MK22/3

No

No

No

No

5

28.5

950

9.4

7

12.9

1

-

-

8/18/2019 Beethoven Exploders Data Sheet

2/2

217mm

275mm

94mm

costruo

Manactrd in a robst ‘Norl’ moldd cas. T ar compltl

watr and dst proo. A niq atr o t cas is t inclsion o  

sliding billet terminals. This feature makes cable connecon especially 

as and prvnts t cabls rom dama.

eodr faturs

Automac ring is achieved by a two handed operaon of depressing

t r bon wilst trnin t nrator andl. I t r bon

is rlasd t car on t capacitor is sal dissipatd.

Manal rin is acivd b oldin t car bon wilst a and

opratd nrator cars a capacitor to t rqird volta,wn t non indicator lits t xplodr is red by pressing the

ring buon. The charge on the capacitor will b sal dissipatd i

t car bon is rlasd. T xplodr will onl r i t non

lit is ll on.

Approvd modls ar approvd or s in ndrrond mins wr

s o “Prmid” xplosivs is rqird. Non-approvd or s in

all srac applicaons.

T tabl blow dscribs t rcommndd circit rsistanc

wic can b sccssll rd wit t Arbra Btovn ran o

explodrs. Ts rs assm boom limits or t xplodr and

dtonator manactrrs pblisd rs or 99% rin sccss.

Warrat

All Arbra xplodrs ar covrd b a 12 monts warrant.

MK 7 & MK 8 eodr

These exploders are approved for underground use and will iniate up

to 100 standard electrical detonators connected in series.

The MK 7 has an integral digital ohmmeter which is used to measure

the total circuit series resistance. The ohmmeter is also powered by the

hand generator.

MK 22/3 eodr

Tis xplodr ss manal rin o t rond wit a sparat

rin bon. T sot-rr as total control on wn sts o

t dtonators.

Assoris

A ran o ommtrs or circit tsn incldin an approvd

vrsion or s in prmid aras.

A ran o nr tstrs sitabl or tsn ac o t Arbra

‘Btovn’ ran.

Also available, a range of hand held, baery operated exploders.

Bthov

Shot firi eodr

Arbra Istrumts Advanc Spars Limitd, unit 21, Vaxall Indstrial estat, Rabon, Wrxam, LL14 6hA, uK

Arbra Instrmnts, a division o Advancd Spars Limitdarbra.o.uk

T  +44 (0) 1978 823900 f  +44 (0)1978 822913 f  sals@aslrop.k.com

DeTOnATOR cHARAcTeRISTIcS

firin Crrnt Amps 1.2

firin enr mJ/Oms 5

firin Crrnt Amps 1.7

firin enr mJ/Oms 15

firin Crrnt Amps 6

firin enr mJ/Oms 140

firin Crrnt Amps 13

firin enr mJ/Oms 1000

explODeR fIRIng cApAcITy

MAxIMUM TOTAl cIRcUIT SeRIeS ReSI STAnce OHMS

MK7

390

120

n/a

n/a

MK8

390

120

n/a

n/a

MK19

250

50

n/a

n/a

MK21

615

335

40

n/a

MK22

665

390

60

5

MK22/3

665

390

60

5