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Nokeval
6746B Programmable transmitter with frequency output

6746B Programmable transmitter with frequency output

Product catalog summary

Overview: The document provides technical specifications and operational details for the Nokeval 6746 programmable transmitter, which features a frequency output and is compatible with a wide range of temperature sensors and process inputs.

Specifications:

Sensor Compatibility: Supports thermocouples (types B, C, D, E, G, J, K, L, N, R, S, T), RTD sensors (Pt100, Pt500, Pt1000, Ni100, Ni1000), process inputs (0..20mA, 4..20mA, -20..+20mA, 0..5V, 0..10V, -10..+10V), mV-range (-100..+100mV), and IR-thermopile sensors.
Output: Frequency output of 0..2.5 kHz, galvanically isolated from input and power supply.
Power Supply: 24VDC with a power consumption of max. 40 mA.
Accuracy and Linearity: High measuring accuracy with a 16-bit analog converter, linearity <0.005%, and conversion accuracy of 0.05% without sensor linearization error.

Technical Details:

Thermocouples: Various types with specific ranges and linearity details provided. Calibration accuracy is <0.1% of max span.
RTD Sensors: Range from -200 to +700°C for Pt100 and Pt500, with specific accuracy and linearity details.
Process Inputs: Current and voltage inputs with specified accuracy and linearity.
IR Sensors: Compatible with Exergen 140F-K and 440F-K, with emissivity correction options.

Configuration and Programming:

Configurable via MekuWin software or hand-held programmer 6790.
Output scaling is freely scalable with reverse function selectable.

General Features:

Operating temperature range of 0..60°C, with ambient storage from -20 to +70°C.
Humidity tolerance of 0..95% RH (non-condensing).
Protection rating of IP20.

Ordering Information: The transmitter can be ordered with specific configurations as per customer requirements, with optional configuration software and hand-held programmer available.

Catalog excerpts

6746B Programmable transmitter with frequency output-2

Note ! Jumper selection for Pt100 4-wire connection 3 4 > Pull-down resistor Put jumper = On positionfor TTL on the card Removable terminals <1.5 mmвMounting rail DIN 50022 (35mm)

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