TECHNICAL SPECIFICATION

Input

Oxygen / Toxic / Combustible Gases, Please select from the Table

Range / Resolution

As specified in the Table

Accuracy

± 1% of the full scale value

Sensor type

Electrochemical / Catalytic Pellister / Solid State / Infra Red based Sensors

Standard output

Programmable Linear 4-20 / 20-4 mA O/P with respect to Gas concentration range

Dual Display

1) Upper :- 4 Digit of 13mm(H) Red LED display for 'Gas Concentration' indication

2) Lower :- 4 Digit of 13mm(H) Red LED display for 'Set Point Value’ of Alarm Relay-1/ Unit of Gas

LED Indication

AL1 & AL2 for Relay, FLT for Fail-Safe Relay, PRG for Programming mode, INB for Service / Inhibit mode, TST for Test mode, TX for Transmitting signal, RX for Receiving signal.

Set point

2 No, Independent set point. For Alarm Relay-1 & Alarm Relay-2 with programmable latch & non-latch facility

Control action

LO / HI, HI / LO, LO/ Very LO, HI-Very HI, Programmable by user

Hysteresis

0 to 100 counts, Individual setting for Alarm Relay-1 & Alarm Relay-2, programmable by user

Setting

Setting by 4 keys on front panel i.e. 'SET / NEXT', 'UP', 'DOWN' & 'TEST / BACK'

Monitoring

1)By display : Sensor break/ open shows 'oPEn', under range shows 'Undr' & over range shows 'ouEr'

2)By Standard O/P current : Upscale current : 21mA, Down scale current : 3mA, selectable

Supply Voltage

18 to 36 VDC

Cable

1.5 sq. mm 3 Core, Flexible OR Armored shielded cable

Operating Temperature

0 to 500C ± 5%, Relative Humidity: Below 95% non condensing

Sensor Housing

P.V.C. / P.P. / TEFLON material / SS304/SS316, Please select while ordering

Enclosure Detail

GT - 2000 - WP (Weatherproof )

GT - 2000 - FLP(Flameproof )

Protection Class

IP-65

IP-65 for Gas Gr. IIA & IIB, ATEX,CCOE & CMRI Approved

Cabinet Material

Polycarbonate, gray colour

Cast Aluminium alloy, LM-6 / C.I. Enclosure

Cable Entry

Thermoplastic cable gland (IP 68) with clamping range of 2.5 to 6.5mm

Double compression cable gland (Ex-Proof), 3/4" ET type

Dimension

255 mm (H) x 240 mm (W) x 120 mm (D)

180 mm (H) x 205 mm (W) x 110 mm (D)

Mounting

Wall Mounting / Stand Mounting

Wall Mounting / Stand Mounting

Weight

Approx 2.0 Kg

Approx 3.0 Kg

Optional

a) Isolated RS-485 Serial port with MODBUS RTU protocol output

b) SMARTLOG / SCADA SOFTWARE for online graph & data report for safety Audit

c) Flame Proof or Non Flame Proof Industrial Hooter, Hooter cum Flasher, Chart recorder, Cables, PC Software, Gas Transmitters, 24 VDC power supply, Gas calibration kit

d) Optional 3 No, 1 NO-C-NC, 230 VAC/5A Potential Free Relay contacts for AL-l, AL-2, & Fail Safe Relay