Fiber Optic Temperature Sensor

T/GUARD 408

T/GUARD 408XT

System specifications

Number of channel

4, 6, 8, 10, 12, 14 or 16 optical channels

Resolution

0.1°C (0.1 °F)

Accuracy

±1.0 °C (1.6 °F)

Calibration

No system recalibration needed over lifespan to remain within specifications

System sampling rate

250 ms switching rate between each channel; Variable if set to “WTune” feature Rate can be adjusted by user from 250 milliseconds to one point per week

Data logging rate

Data logging rate can be adjusted by user from one point every second to one point per hour period.

Built-in calculation

Min/Max, Global values

Upgradability -Firmware

Flash upgradeable through serial port

Flash upgradeable through serial port or Ethernet/Web browser

Display

One four-digit block per channel. 7-segment (LED). Multiplexed display for channels 9 to 16

Units

User selectable, Metric or Imperial, LED indicators on front panel

Data logging memory

2 GB on-board datalogging memory. Logging feature available for probes, alarms, system status, relays functions in an ASCII file (equivalent to 30 years of continuous logging on 8 channels at every minute). Option: 4GB

Temperature measurement range

-80 to 300 °C (-112 to 572 °F)

Communication and I/O

Operating Mode

System front panel keypad, ASCII commands over RS-485 (HyperTerminal or OptiLink-II)

System front panel keypad, ASCII commands over RS-485 (HyperTerminal or OptiLink-II), Ethernet (web-based configuration)

Communication  (hardware)

- Isolated RS-485 serial port on screw terminal

- Isolated RS-485 serial port - Ethernet 10/100BASE-T - Option: Ethernet 100BASE-FX (Duplex, for 50 or 62.5 µ fibers)

Communication  protocols

SERIAL:

- ASCII (terminal console and OptiLink)

- Modbus RTU (2 or 4-wire config)

- DNP 3.0 (optional)

- IEC 60870-5-101 (optional)

- Isolated RS-485 serial port

- Ethernet 10/100BASE-T

- Option: Ethernet 100BASE-FX (Duplex, for 50 or 62.5 µ fibers)

SERIAL:

- ASCII (terminal console and OptiLink)

- Modbus RTU (2 or 4-wire config)

- DNP 3.0 (optional)

- IEC 60870-5-101 (optional)

ETHERNET:

- HTTP (Web based)

- Modbus over Ethernet

- DNP 3.0 (optional)

- IEC 60870-5-104 (optional)

- IEC 61850 (optional)

- Qualitrol Q-Link for Apple® iफ़ोन® (viewer only)

Relays

8 built-in relay drivers for transformer cooling control, enclosure cooling/heating, trips, alarms, etc. ; Form-C (SPDT) relays (8A/240VAC or 0.2A/125VDC or 8A/24VDC max @ 50 °C), Programmable fail safe mode. 9th built-in relay for dedicated system fault

Relay drive

Direct with system’s built-in calculation algorithms

Analog Outputs

4-20 mA; Detachable header connector blocks, 5.08 mm pitch. Up to 16 analog outputs (one per channel)

Mechanical and Environment

Operating temperature

-40 to +72 °C, 5-90% humidity, non-condensing

Storage temperature

-40 to +85 °C, 5-90% humidity, non-condensing

PCB env. protection

MIL-I-46058C (IPC-CC-830) Type SR silicone conformal coating

Light source MTBF

Light source lifespan and optimal system performance superior to 300 years of continuous use. No degradation of total system accuracy over light source lifespan

Form factor

Mounting details: Enclosure must be protected from water and dust. It can be mounted on a back panel or from the front, using M6 or M8 bolts

Front membrane

UV stabilized polyester with 5 million push MTBF keys

Connectors

Optical: Standard ST connector

Analog, relays, serial and power-in:

5.08 mm pitch connectors

socket for headers with screw terminals

Optical: Standard ST connector

Analog, relays, serial and power-in:

5.08 mm pitch connectors

socket for headers with screw terminals

Ethernet FX option: multimode ST duplex connectors

Dimensions/weight

Width: 280 mm ; Height: 110 mm; Depth: 70 mm (1-8 ch) or 95 mm (9-16 ch)

Mounting holes: 4x M8 from front or 4x M6 if bolted from back of system

Mounting hole specs: 255 mm x 85 mm;

Weight: 2.5 k

Compliance

Conducted/Radiated Emissions, surge withstand and environmental

IEC 61000-4-2 ESD

IEC 61000-4-3 Radiated RFI

IEC 61000-4-4 Burst

IEC 61000-4-5 Surge

IEC 61000-4-6 Induced (Conducted) RFI

IEC 61000-4-8 Magnetic field

IEC 60068-2-14 Temperature -40 to +72 oC

IEC 61000-4-11 Voltage dip

IEEE C37.90 Dielectric strength (high pot)

IEEE C37.90.1-2002 Fast transient

IEEE C37.90.1-2002 Oscillatory

FCC 47 CFR Part 15, Sub B

ICES-003 Issue 4, Feb 2004

Power

Power requirements

85 - 264 Vac or 110 - 370 Vdc, 47- 63 Hz Frequency range

Power consumption

25 Watts

Other

Probe compatibility

Compatible with all Qualitrol / Neoptix GaAs fiber optic temperature probes and transducers

Probe signal optimization

System has built-in Neoptix WTune™ probe optimization algorithm

Warranty

5 years Limited International warranty; Extended warranty available