DS200TCQAG1AEC GE

Technical Parameters

Manufacturer: GE
Series: Mark V / Mark VIe
Channels: 16 differential
Input Range: -10 mV to +100 mV (Type J/K/T/E)
Cold Junction: Single onboard sensor with enhanced linearization and improved thermal isolation
Isolation: 1500V AC
Accuracy: ±0.08% at 25°C, ±0.15% across full temperature range
Sampling: 10 Hz sequential
Operating Temp: -30°C to +65°C
Storage Temp: -40°C to +85°C
Mounting: VME rack
Suffix “G1AEC”: High accuracy + advanced diagnostics (drift, degradation, sense-lead) + G1 wiring + enhanced cold-junction compensation + “EC” premium coating (high-grade urethane or silicone blend offering excellent moisture barrier, good-to-high chemical resistance, and moderate solvent resistance – similar to “DE” but potentially with slightly different chemical resistance properties)

Key Features

High accuracy – ±0.08% for critical temperature monitoring
Advanced diagnostics – drift monitoring, degradation prediction, sense-lead integrity, and open/short detection
Improved cold-junction compensation – better linearization across ambient variations
“EC” premium coating – excellent moisture resistance, good-to-high chemical protection, and moderate solvent resistance; suitable for harsh environments
Faster sampling – 10 Hz for responsive monitoring
G1 wiring configuration – standard channel-to-terminal mapping
Simple swap – no firmware changes required in most Mark V systems
LED status per channel + board health with diagnostic indicators
Backward compatible with Mark V and Mark VIe (hot-swap only on VIe Rev D+)

Applications

Chemical processing plants – premium coating protects against solvents and chemicals while diagnostics ensure reliability
Coastal power plants with heavy salt spray – excellent moisture barrier with enhanced performance
Paper and pulp mills – harsh chemical environments with humidity and heat
Gas turbine EGT monitoring in corrosive environments – high accuracy with predictive diagnostics and improved stability
Compressor monitoring in chemically aggressive areas – noise rejection with environmental protection

Comparison with Competitors

Selection Tips

Choose the DS200TCQAG1AEC if you need high accuracy (±0.08%), advanced diagnostics, enhanced cold-junction compensation, and premium coating protection in a G1 cabinet – ideal for chemically aggressive environments requiring predictive maintenance
For the same features with standard coating, consider DS200TCQAG1A (less protection)
For similar premium coating with potentially different chemical resistance, compare with DS200TCQAG1ADE if available
For severe chemical/corrosion exposure, upgrade to DS200TCQAG1AJE (military-grade) or DS200TCQAG1ATF (PTFE) if available
For extended temperature range (70°C) with similar features, consider DS200TCQAG1BEC (if available)
For 4-wire long-distance needs with diagnostics, consider DS200TCDAH1BGD (lower accuracy at ±0.10%)
Verify existing wiring is 2-wire standard – G1-series terminal mapping applies
Source refurbished units with coating inspection verification and diagnostic test validation

Precautions

ESD sensitive – use wrist strap
Power down for Mark V removal (no hot-swap)
Torque terminals to 0.5 N·m max
Do not exceed -30°C to +65°C operating range
Avoid damaging the coating – scratches compromise protection
Use isopropyl alcohol only for cleaning – “EC” coating resists many solvents but avoid acetone/MEK; confirm compatibility with GE documentation
Calibrate every 24 months – diagnostics and enhanced accuracy depend on a valid baseline calibration
Ground shields only at the board end
Verify thermocouple type – optimized for J/K (T/E reduces accuracy to ±0.15%)
Monitor diagnostic logs – drift warnings indicate sensor aging; plan proactive replacement
Label clearly – mark as “TCQAG1AEC – DIAG/ENH CJC/EC COAT” to ensure proper handling