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简单介绍：
Description: Head Mount Temp Transmitter Inside Connection Head
Inputs: Thermocouple, RTD, Ω & mV
Power: Loop-Powered (7.5 to 45 VDC, reverse polarity protected)
Display: None
Case: Explosion-Proof or
详情介绍：
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INTRODUCTIONThe ExSense T Series is a line of rugged, smart temperature transmitters that includes models with HART communication capability. These models can be configured using a HART modem and a PC running the free HART software provided, or the range can be modified in the field using a handheld HART communicator. The other models can be configured using a USB modem and a PC running the free software provided. All models can be ordered with Pt100 RTD, J, K, T thermocouples; see Ordering Information for model numbers.PD301 - PD306 Head Mount ModelsThe head mount models are offered as: hockey-puck only (PD301 & PD302) which can be mounted inside a DIN Form B connection head, pre-mounted in a connection head (PD303 & PD304), and pre-mounted in a connection head with temperature probe (PD305 & PD306). The PD302, PD304, and PD306 include HART communication capability. Standard enclosed models have an aluminum connection head with a 1/2" NPT conduit hole and 1/2" NPT process opening for a probe or adapter fitting, and are available with safe area (NEMA 4X, IP66 rated), or Certified explosion-proof housings. Non-standard models with other conduit hole and process opening sizes, as well as an optional stainless steel housing are available, visit the ExSense BuilderPD310 & PD312 Enhanced Display ModelsThe enhanced display models, with standard loop-powered backlight, let the user see the display under any lighting condition, and present valuable information such as the process variable, input type, engineering units, and bargraph. The display can be configured to show the PV, mA output, or %. These models are housed in a sleek & rugged die-cast NEMA 4X enclosure that is available in general purpose and explosion-proof versions. The enclosure has two 1/2" NPT conduit holes, and one 1/2" NPT process sensor connection port for probe or adapter fitting. Non-standard models with other conduit hole and process opening sizes are available, see the ExSense Builder. For remote mounting applications the PD310 may be ordered without the process sensor connection port.APPLICATIONSThe ExSense packaging lends itself for duty in harsh environments. The good looking die-cast aluminum NEMA 4X housing affords serious protection from the elements, impact damage, corrosion, and electrical interference; it is also explosion-proof. It can be installed almost anywhere. The display models have very flexible installation options. The built-in mounting ears allow for wall, or pipe mounting, and include a rotatable meter. All ExSense systems can be also surface mounted via the thermowell. 330° Rotatable LCD DisplayMount the product at any convenient angle and rotate the internal display for best viewing angle. PD312 HART Transmitter & Remote DisplayIn this application the Smart HART Explosion-Proof Temperature Transmitter is being powered by the PD6000 dual-scale meter; the meter displays the temperature on the top and the mA current on the bottom display. A PLC, DCS, or other devices could be connected in the loop as shown. The 250 ohm resistor is the minimum loop resistance needed for HART communication with a HART modem or a HART communicator. PD306 HART Head Transmitter ExSenseView PC Software & Remote DisplayIn this application the Smart Transmitter is mounted in the explosion-proof connection head and is being powered by the PD6000 dual-scale meter. The HART communicator and HART modem are used during configuration or troubleshooting. CONFIGURATIONPD301 - PD306 PC Configuration PD302 HART Configuration* PD310 & PD312 HART Configuration * Transmitters can be completely configured using the ExSenseView PC software and modem. HART models can also be configured using a HART Communicator (with the exception of input Type and Units). ExSenseView PC Software
TRANSMITTER INPUT TYPES, RANGES, AND ACCURACY
 COMPLETE TEMPERATURE ASSEMBLY Simplify your ordering process by getting a complete temperature assembly from Precision Digital. Use the online ExSense Builder to select your transmitter, temperature probe, and thermowell; specify the temperature range and you will get all the parts needed for your temperature system. Avoid the headaches of getting components that do not match, from different suppliers. Order a complete temperature assembly from Precision Digital and make your life easier. ACCESSORIESRTD Probes & Thermowells RTD probes are offered in 6", 9", and 12" lengths and ¼" diameter; other sizes are available upon request. Spring-loaded probes and thermowells are special order; please consult the factory for details. 
TC & RTD Connection Heads
CONNECTIONSPD301 - PD306 PD310 & PD312 DIMENSIONSPD301 & PD302 PD310 & PD312
MOUNTING   |
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SPECIFICATIONSGeneralInput: Universal RTD, TC, Resistance, or VoltagePower Supply: 7.5 to 45 VDC, reverse polarity protected Storage Temperature: -40 to 100°C Connections: Screw terminals accept 12 to 22 AWG Output: Two-wire 4-20 mA scalable Accuracy: ±0.08% of span typical, see table on page 5 for details Temperature Drift: RTD: ±0.004°C/°C; TC: ±0.03°C/°C Underrange: 3.8 mA Overrange: 20.8 mA Sensor Break: Selectable ≤3.6 mA Low Alarm or ≥22 mA High Alarm Response Time: 1 second Long Term Stability: Better than 0.05% per year Start Up Time: Less than 5 seconds Noise Filter: Configurable from 0 to 85 µA Damping Time: Configurable from 0 to 30 sec Output Resolution: 0.3 µA Non-Volatile Memory: All configured settings are stored in non-volatile memory for a minimum of ten years. Relative Humidity: 0 to 90%, condensation allowed Isolation: 2 kV input-to-output Shock & Vibration Resistance: 4g/2 to 150 Hz as per IEC 60 068-26 EMC: Immunity & emission interference according to GB/T17626.2-1998), compliance with IEC 61000-4-3:1995 Warranty: 1 year parts & labor PD310 & 312 Exp-Proof Smart TransmitterDisplay: PV: 0.3" (8 mm) 5-digit LCD, Input & Units: 0.2" (5 mm)Bargraph: 52 segments with 2% resolution Backlight: Loop-powered, always on Configuration Method: PDA8302 HART modem and PC software or range configuration with handheld HART communicator* Load Impedance: 650 Ω @ 24 VDC max or ((V supply - 10.5 V)/0.0208 A) Ω Operating Temperature: -30 to 75°C Enclosure: Explosion-proof or general purpose die-cast aluminum, 0.3% max copper content, NEMA 4X, IP66; two ½" NPT conduit holes, one ½" NPT process connection; other sizes available upon request. PD310-A2 & PD312-A2 Approvals: FM: Explosion-proof for Class I, Division 1, Groups B, C and D; dust-ignition-proof for Class II/III, Division 1, Groups E, F and G, hazardous (classified) locations, indoors and outdoors (Type 4X/IP66) CSA: Explosion-proof for Class I, Division 1, Groups B, C and D; dust-ignition-proof for Class II/III, Division 1, Groups E, F and G, hazardous (classified) locations, indoors and outdoors (Type 4X/IP66) ATEX: II 2 G D, Ex d IIC, Ex tD A21, IP68, Ta = -40°C to +85°C IECEx: Ex d IIC, Ex A21 tD, IP68, Ta = -40°C to +85°C Weight: 2.42 lb (1.10 Kg) Overall Dimensions: 4.30" x 4.27" x 3.62" (109.2 x 108.4 x 92.0) (W x H x D), probe and thermowell not included PD301 & 302 Head Mount Smart TransmitterConfiguration Method:PD301: PDA8301 USB modem and PC software PD302: PDA8301 USB or PDA8302 HART modem and PC software or range configuration with handheld HART communicator* Load Impedance: 790 Ω @ 24 VDC max or ((V supply - 7.5 V)/0.0208 A) Ω Operating Temperature: -40 to 85°C Enclosure: Polycarbonate housing with epoxy potting, NEMA 1, IP00 (NEMA 4X, IP66 with PDA1080WM) Weight: 1.18 oz (33.5 g) Overall Dimensions: Dia. 1.73" x 0.89" (44 mm x 22.5 mm) Installation Angle: No limit Installation Area: Connection head according to DIN 43 729 Form B PD303 & PD304 Head-Mounted Smart TransmitterConfiguration Method:PD303: PDA8301 USB modem and PC software PD304: PDA8301 USB or PDA8302 HART modem and PC software or range configuration with handheld HART communicator* Load Impedance: 790 Ω @ 24 VDC max or ((V supply - 7.5 V)/0.0208 A) Ω Operating Temperature: -40 to 85°C Enclosure: Aluminum or 316 SS mounting head NEMA 4X, IP66 with optional explosion-proof Certification. Note: The Certification applies to the connection head only and not to the transmitter assembly. Weight: 1.0 lb (453.6 g) Overall Dimensions: Dia. 3.5" x 4.0" (90 mm x 101.6 mm) Installation Angle: No limit Installation Area: Connection head according to DIN 43 729 Form B PD305 & PD306 Head-Mounted Smart Transmitter with Thermowell and/or ProbeConfiguration Method:PD305: PDA8301 USB modem and PC software PD306: PDA8301 USB or PDA8302 HART modem and PC software or range configuration with handheld HART communicator* Load Impedance: 790 Ω @ 24 VDC max or ((V supply - 7.5 V)/0.0208 A) Ω Operating Temperature: -40 to 85°C Enclosure: Aluminum or 316 SS mounting head NEMA 4X, IP66 with optional explosion-proof Certification Weight: 1.0 lb (453.6 g) plus probe/thermowell weight Overall Dimensions: Dia. 3.5" x 4.0" (90 mm x 101.6 mm) plus probe/thermowell length Installation Angle: No limit Installation Area: Connection head according to DIN 43 729 Form B * The Input Type and Units cannot be changed with HART Communicators (e.g. HC275, HC375). Connection HeadsMaterial: Die-cast aluminum or 316 stainless steelCertification: FM/CSA/ATEX Explosion-proof Certified, NEMA 4X, IP66 or general purpose without certification Connections: Two ½" NPT for conduit and process connection; other sizes available upon request Mounting Holes: Accept M4 screws, see dimensions drawing Surface Finishing: Aluminum: Blue epoxy coated, Stainless steel: Electropolished O-Ring: Buna-N Weight: Aluminum: 0.450 kg (1.0 lb), Stainless steel: 0.90 kg (2.0 lbs) Features: SS ball chain included, terminal block (Ceramic/Bakelite optional) Overall Dimensions: Dia. 3.5" x 4.0" (90 mm x 101.6 mm) |
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ExSense Builder To help build the correct model number for your application, use the online ExSense Builder. This online tool can be accessed by clicking on any of the links provided. After a transmitter type selection is made the following options are available:
Note: Standard RTD is 1/4" in diameter , stainless steel, 400°F max. For other sizes and temperature ranges, contact the factory. Once a new model is generated using the ExSense Builder, you will
Note: HART models must be configured using the ExSenseView PC software and PDA8302 HART modem. The Input Type and Units cannot be changed with HART Communicators (e.g. HC275, HC375). Go to the ExSense Builder to build a complete model number and get pricing. Example 1: PD301-C0 Head mount temperature transmitter with factory defaults Example 2: PD310-G2-C1 HART temperature transmitter with display, general purpose, custom configuration Example 3: PD312-G2-C1-P11S06-T106 PD312 = HART temperature transmitter with display & temperature probe G2 = Rugged general purpose NEMA 4X enclosure C1 = Custom configuration P11 = 100 Pt RTD with 6" leads S06 = Spring-loaded 6" probe for thermowell installation T106 = Type 1 thermowell to match 6" spring-loaded probe Example of Other Options:
 RTD/TC Connection Head Assembly PDA1080WM head shown with PDA8059-04-EG terminal block |
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