2 or 3-wire RTD input Ambient rated to 85 C (185 F) Fits DIN B style connection heads Optional high-accuracy calibration to Minco RTDs for improved accuracy see next page and page 4-22 for more information.
It draws only 3 ma of quiescent current, making it ideal for solar or battery powered systems. Model TT246 outputs 1 to 5 VDC proportional to temperature. THROUGH 1.5 (38.1) MOUNTING USE #6 SCREW THROUGH OR #8 THREAD FORMING SCREW (17.1) 1.09 (27.1) Wiring Diagram TT111 TT211 RED 1 BROWN 2 BLACK 3 ORNG 4 4 TO 20 ma LOOP COPPER LEADS, TWISTED PAIR R1 CONTROLLER AND/OR INDICATOR DC SUPPLY LINE POWER RESISTANCE THERMOMETER CONTROL ROOM -3Ĥ TT246 RTD Transmitters TT246 RTD Transmitter, voltage output Overview Specify this rugged, accurate transmitter for process control and other industrial applications.
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Specification and order options: TT111 Model number: TT111 or TT211 PD RTD element code from table 1 Output: 4 to 20 ma DC C Temperature range code starting on page 4-20 INSTRUMENTS Dimensions in inches (mm) 0.50 (12.7) ZERO 0.08 (2.0) MAX. Temptrans match calibrated to a sensor are always ordered as assemblies.
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Hazardous area requirements For more information on how to classify a hazardous area, methods of protection, and the various standards and agencies (including FM, CSA, CENELEC, IECEx and ATEX), visit -2ģ Miniature RTD Transmitters RTD input types 2-wire resistance thermometer: Element Code Platinum ( TCR) 100 Ω at 0 C PA Platinum ( TCR) 100 Ω at 0 C PB Platinum ( TCR) 100 Ω at 0 C PD, PE Platinum ( TCR) 1000 Ω at 0 C PF Platinum ( TCR) 1000 Ω at 0 C PW Nickel-iron ( TCR) 604 Ω at 0 C FA Nickel-iron ( TCR) 1000 Ω at 70 F FB Nickel-iron ( TCR) 2000 Ω at 70 F FC Nickel ( TCR) 120 Ω at 0 C NA Special high-accuracy calibration For high system accuracy, specify transmitters with matched calibration. Physical: Polycarbonate case, epoxy potted for moisture resistance. Connections: Terminal block for wires AWG 22 to AWG 14. Transmitter entity parameters: V max = 35 volts I max = 150 ma C i = 0 μf and L i = 0 mh. Models TT211 is Factory Mutual approved nonincendive for use in Class I, Division 2 areas and intrinsically safe for Class I, Division 1 areas (requires approved barrier). Hazardous atmospheres: All models may be used with Minco flameproof/explosionproof connection heads. Maximum load resistance: The maximum allowable resistance of the signal carrying loop is: Example: With supply voltage 24 VDC, maximum loop resistance is 775 Ω. Warmup drift: ☐.1% of span max., with V supply = 24 VDC and R loop = 250 Ω. ☐.025% of span per C for spans less than 55 C. Ambient temperature effects: ☐.013% of span per C. Ambient temperature: TT111: 0 to 50 C (32 to 122 F). ☐.25% of span per 100 C of span for spans greater than 100 C. Nickel and nickel-iron RTD input: ☐.25% of span for spans less than 100 C. Linearity: Referenced to actual sensor temperature. Specifications Output: 4 to 20 ma over specified range, linear with temperature. Optional high-accuracy calibration to Minco RTDs for improved accuracy see next page and page 4-22 for more information. TT211: Wider ambient rating Factory Mutual (FM) approved intrinsically safe and nonincendive.
Programmable transmitters to to 4-34 HART transmitters to 4-19 CT15 controller/alarm to 4-36 Temperature range table to 4-21 CT16A temperature controller to 4-38 High accuracy calibration CT15/CT16A accessories Mounting accessories CT425 Temperature Controller to 4-41 Loop-powered indicators to 4-24 -1Ģ Miniature Temptran RTD Transmitters TT111 only TT211 only TT111, TT211 Overview Two models: TT111: UL-recognized component for Canada and United States.
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Programmable transmitters to to 4-32 Field rangeable transmitters to 4-15 CT435 PC board mount temperature controller. Fixed range, dip switch field rangeable or programmable 4-20mA output or HART protocol Miniature, hockey puck, DIN rail and isolated versions High-accuracy calibration available matched to individual RTDs Controllers, indicators and alarms for precise monitoring and control RTD transmitters to 4-5, 4-8 to 4-9, CT channel monitor to to 4-13 CT424 alarm/monitor to 4-28 Thermocouple transmitters to 4-7, 4-10 to 4-11, CT325 miniature DC temperature controller to to 4-15 CT335 PC board mount temperature controller. 1 SECTION 4: INSTRUMENTS RTD and thermocouple Temptran transmitters provide accurate signals over thousands of feet.
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