801T

Key Features:

• Temperature transmitter with universal input/output capabilities
• Advanced internal microcontroller
• Windows® software configuration
• User-programmable input/output ranges
• Push button field calibration
• High-resolution Sigma-Delta A/D converter
• Intelligent signal processing functions (linearization, averaging, square root)
• Limit alarm capability with relay output option
• Self-diagnostics
• 4-way isolation
• Input excitation supply for a 2-wire transmitter or relay input
• 25 to 70°C (-13 to 158°F) operation

Product Details

RTD Input Ranges
100 ohm Platinum, 120 ohm Nickel, or 10 ohm Copper; user-configured.
RTD Excitation Current
1mA DC typical, all types.
RTD Lead-Wire Compensation
25 ohms per lead.
RTD Break Detection
RTD sensor failure can be configured for either upscale or downscale.

Millivolt Input


DC Millivolt/Voltage Input Ranges
±1.0V ±125mV ±31.25mV
±500mV ±62.5mV ±15.625mV
±250mV
Millivolt Accuracy
Better than ±0.05% of input span.

Resistance Input


Resistance Input Range
0 to 500 ohms.

Resistance Accuracy
±0.05 ohms.

Output (DC V/mA)


D/A Converter
16-bit S-D.

Current Output
Ranges: 0-1mA, 0-20mA, 4-20mA.
Compliance: 10V minimum (500 ohm load).
Accuracy: 0.025% of span.

Voltage Output
Ranges: 0-5V, 0-10V.
Compliance: 10mA maximum with short circuit protection.
1 ohm output impedance.
Accuracy: 0.025% of span.

Accuracy (overall input to output)
0.075% of span.

Output (Relay)


Relay
One SPDT electro-mechanical relay.

Relay Ratings (CSA ratings)
25V DC @ 5A.
120/240V AC @ 5A.

Relay Time Delay
Adjustable alarm delay of up to 25 seconds.

Contact Material
Silver-cadmium oxide (AgCdO).

Expected Mechanical Life
20 million operations.

Environmental


Ambient Temperature
Operating: -25 to 70°C (-13 to 158°F).
Storage: -40 to 85°C (-40 to 185°F).

Relative Humidity
5 to 95%.

Power Requirements
10 to 36V DC. 75mA @ 24V. 120mA @ 15V.

Isolation (optical)
4-way (input/output/relay/power).
1500V AC for 60 seconds or 250V AC continuous.

Radiated Field Immunity (RFI)
EN61000-4-3, EN50082-1.

Electromagnetic Field Immunity (EMI)
Less than ±0.25% of output span effect under the influence of electromagnetic fields from switching solenoids, commutator motors, and drill motors.

Electrical Fast Transient (EFT)
EN61000-4-4, EN50082-1.

Surge Withstanding Capability (SWC)
EN61000-4-5, EN50082-1.

Electrostatic Discharge (ESD)
EN61000-4-2, EN50082-1.

Radiated Emissions
EN50081-1 for Class B equipment.

Approvals
CE, UL listed (USA, Canada).
UL3121 – general product safety.

SOLUTIONS

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