Coal mining equipment approval

Registered Airmail rndia cf Mi Safety Dhanbaa, t:ated the 01-701/ ..'EHQ, Di-ecty nes Sat:ty General ot WI-nes F.O & Distt: Dhanoad - 016.

To Mr. John Perce-Jones - Chairman PIE. Tvo'px Ltd., 10 Road, I 'ozel Gi Stoqkvcrt, SO WY/ United Kingdom.

Sub: DGNS approval utt.•er Requiaticr 181 (3) ui thc: C.j)di M'nes Regu 3tons. 1957 Ätrinsically Safe. -IXC1273 Tenpera,-ure Synscr liar-snit-ter rnenuC321ured MIS.

Trae to and for L.se in g.tound m nes.

CTMFR test report dated 77-1.'2.2015 20.3.201S.

IDENTTZICJ\TION MARK \0.714.. 2017 Eased on perormence renort receiver! from Mis. V'/ætem L ld., end a±ove -.est reports under reference, opprova' is hereby errorded to subject squipmere ror 3 period fly-e-{-Q5.)

of this letter for use In Coal fvlfyes, sub*ct tn rnrr.' iance the rondltors i't lhe Annexur:.

Pleese not* that atzlicatcr *culd r-töde €1 leest 1• -ee (031 mgnth5 bcfore the date cf expity cr the Yours feithfill (Rahul . Annexur?.

Di • or Gereraj '•1i7zs Sillety' Annexure of 2017 tssuee by tais Directcrütr.';

OGMS Approval No.

.. ...,/EHQ Carci:inns tor OGMS azproval under Regulztion 181 (3) of the Coel M 193/ for Intrinsically Sate TX6273 1'empcta:cre Scnnr Transmitter L.d., to IS/LEC 60079-0:2004 60529:2001 (or use In below grounc coal nines.

1.

Z.

3.

Cv:y unit shel carry consp c.uously in a pzrmarert rrarnpr aforcsaic i.e. 'tc,ms NFPROVAI NO. cr 2017 issued DCMS day-ext..

Tn adcition, every unit. shall aiso permanen:lv tn s Dira-to-ale's mars (e)Thi' desigr of the electrical circuit sl'dll not be changed (Jülortrjq prier eg,prova; :rorn th s Dit•ec--oratc.

(b)Consoicuous iA'Erning inscSpIions against open-no the cz;ær the main erclcsure or any which gives the flameprc•ot 011 live oarts or v,'hicn ceble ettac-rr•erl 01 less s„pply to the un I is isolated at source, shall xed on the part tä ensure that all live üé17ts within the urit mad? deae. and sate.

Sp«re parts shall be. made readily to me user Erci «herj required proper rröintenenr:e cr the cquizmcnt.

(a) The cl.stomor shell suppl ec Ihe copy of tais a:provel thc: Itst -epor- -rarr t12 testng laryordluvy the certited dra•p.'inq en vl- '.1<.

conditions, sched'-l e. •l b}' --he -=t-ng in their test so as to n:æin ot s;'equi pment, The be provided of factory test insex-ton the rstallaticr, ard maintererce lhe equ pruerit and spares cateloguæ at tfi2 time ct celivery -he equ pt-nen:.

Ibe. Lsrr shall lura sh Ille pctfonnance report directly to LI'is of-.or one (OL) of ac:ual use- mod r cation the might. nccce-:c.ary 'v'dle cffec-.ed cpon Y.) dirt'ted th±, Di TÅ6273 Teruz-ature Sersnr Trensmitter I cc:orgctod '.vth epprvpricåi-z cer.ifi:d end approved irt<nsia ly supps raving pararne-.cr:-..

C.T'ld.P0 s.

9.

10, 12, 13, 14.

15.

16.

-2- Substitution of corecnents -s a '.vmch r irlr saferv.

An (fit-.cr of -.hiä Directorate may -d: Urae dru•.v e: eilTrr frem or 'rorn the us-ae ane get it testcd et the cut ot tu If the tesr reports are not satisfactory, this approval shale be deemed to be renewal ct approval, va id BIS license in of Indian and ir case oi QAIQ.'QAN, bc:

e;pliceblee shö.ll submitted.

Tf tie-e occ-rs any revision cf Io: , :he .rc:r get tae ycdcceecciz-n:nt -.est±d as rzviyeql •lande,rcJG erd SLIbmit test '0 t•te cos.-rjmer fop to this fi.•r upv-cvel is for a period Oyg-iß5-Lyearsfrggv*hedatg-QLissug orthis letter, equipment t-nanutcctured bsequentl\•• tc ptote •.•ue test Na. ezted 29.095201b, At the lirae or epp Ving for renewal, derails of supply name of -nines, purchase ocer arc daze s -ta I be 'urr.ished apoiirattnr It lirny or lhe subjec -.o •ohicn tl-is approval has beer granted, is vioeted cr rot tm this approvai shall e,nemed to revoktd irnrnedlate otect.

The epprova be (T a: am,' time, it cons dered so ir the interest of satett' anc is oei;z: m 'v'lher pro•.• sto•is may cr may bccc,r-e Epp icab e dt- any Litre, 317.1 a)

ti-ect.vr o: Sefet;