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Smart Temperature Transmitter

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ATT1000 Series

Datasheet

The ATT1000 Series two-wire input temperature transmitter offers high performance and flexibility for temperature measurement. It accepts inputs from thermocouples, RTDs, resistance, or mV signals and provides a 4-20 mA output with HART communication. Designed for precision, it features an updating time of 90 ms, an accuracy of ±0.1% of span, and a two-year stability of 0.1%. The transmitter includes a backlit LCD display that can be rotated to any angle for easy viewing. Parameters can be set directly via the keypad or HART communication, with automatic zero calibration enabled by a press button. Its explosion-proof and weatherproof housing ensures reliability in demanding industrial environments.

Technical Specifications
Inputs

Universal Input
Thermalcouple: T/C (K, S, B, E, J, T, R, N)…
RTD: CU50 / PT100, 2 / 3 / 4-Wire…
mV: -128~128 mV / -1000~1000 mV…
Resistance: 0-600 Ω / 0-5000 Ω
Accuracy

+/-0.1% of span
Stability

+/-0.1% of span for 2 years
Temperature Effect

+/-0.1% of span per 10 °C
CJC Compensation

+/-0.5 °C
Simulation Output

4-20 mA
Material

Wetted Parts: S.S. 304 / S.S. 316 / Has. C / Tantalum etc.
Housing: Low copper aluminum alloy (Sprayed with light blue polyurethane paint)
Module Housing: Flame-resistant PC
Name / Tag Plate: Stainless Steel 304 / Stainless Steel 316
Process Connection

Threads / Flanges
Over Temp. Limit

120% of Full Scale
Mounting

Direct mounting or bracket on 2" Pipe
Humidity Limit

0-100% Relative Humidity
Ambient Temperature

-25~85 °C
Vibration Effect

+/-0.05% of URL per g to 200 Hz in any axis
EMI / RFI Effect

Follow SAMA PMC 33.1 from 20-1000 MHz and for field strengths up to 30 V/m
Display

Backlit LCD rotatable to any angle
Display Function

5 Digits programmable & 0-100% Bargraph
Display Unit

°C / °F / °R / °K
Setting Method

B Type: USB + PC software (windows system)
C Type: HART signal (Compatible)
D Type: HART signal (Compatible)& keypad
Current Output

4-20 mA 2-Wire with HART Signal
Load: Rohm = (VDC-9) * 50
Power Supply

9-36 VDC
Digital Communication

HART Protocol
Cable Entry

M20 Conduit Threads / 1/2" NPT (Female)
Damping

0-32 Seconds
Response Time

100 ms
Turn on Time

2 Seconds with minimum damping
Zero Calibration

Automatic zero calibration by press-button
Isolation

Input / Output / GND isolated to 480 VDC
Power Supply Effect

+/-0.005 of Span per V
Weight

60 g (Converter only) with display
30 g (Converter only) without display
Protection Class

IP67 (Standard)
Intrinsically Safe, Eex ia IIC T5 (Standard)
Explosion proof, Ex d IIB T5
Sensor Connection

M27 * 2 (Female)

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