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4-1/2數字熱電偶儀表，1/8 DIN
DP3002-J, -K, -T
4-1/2數字熱電偶儀表，1/8 DIN
J, K or T Thermocouple Input 
0.05 deg/deg Cold-Junction Error 
-138 to 1248°C Range 
Five-Segment Linearization 
0.1°C or 0.1 °F Resolution, Jumper-Selectable 
1 mV/deg Linearized Recorder Output 
120 dB CMR, 70 dB NMR 
Bright, 14 mm (0.56") LED Display 
Display Hold and Test 
115/230 Vac Power 
EMI/RFI Filter for AC Power 
Screw-Terminal Barrier Strip 
Short 104 mm (4.1") Deep 1/8 DIN Case Options
Isolated 9 to 32 Vdc Power 
Isolated 26 to 56 Vdc Power 
NEMA 4 (IP65) Splash-Proof Lens Cover
The DP3002-J, -K and -T are low-cost 4-1/2 digit (±19,999 count) thermocouple meters with 0.1°C or 0.1°F resolution for indication-only applications. High accuracy is provided by five-segment linearization and matched, graded components for each T/C type.
STANDARD FEATURES
Mechanical features include a bright 14 mm (0.56") display, a screw-terminal barrier strip for signal and power, and a compact 1/8 DIN case that requires less than 104 mm (4.1") behind the panel. Electrical features include cold-junction compensation, jumper selection of °C or °F, and a linearized recorder output of 1 mV per degree.
OPTIONS
Power options include isolated 9 to 32 Vdc and 26 to 56 Vdc. A splash-proof lens cover which meets NEMA 4 (IP65) requirements allows the DP3002 to be used in harsh industrial environments.
規格：
Input
Thermocouple: Type J (Iron-Constantan, Fe-CuNi) Type K (Chromel-Alumel, NiCr-NiAl) Type T (Copper-Constantan, Cu-CuNi)
Calibration: IEC 584-1 (IPTS-68)
Configuration: Single-ended (-TC lead tied to ANA GND)
Polarity: Bipolar
Zero: Adjustable ±20°C (±36°F)
Cold-Junction Tempco: ±0.05 deg/deg Sensor-Wire Resistance Effect Per
Conductor:
Type J: 40 μdeg/deg/Ω, up to 2500 Ω
Type K: 50 μdeg/deg/Ω, up to 2000 Ω
Type T: 50 μdeg/deg/Ω, up to 2000 Ω
Sensor-Break Current: 300 nA
Sensor-Break Indication: Positive overrange (upscale)
Digital Inputs
Level: TTL or 5V CMOS compatible
Noise Rejection
NMR, SIG HI to SIG LO: 70 dB, 50/60 Hz
CMR, ANA GND to PWR GND: 120 dB, DC to 60 Hz
CMV, ANA GND to PWR GND: 1500 Vp per HV test, 354 Vp per IEC spacing
Accuracy at 25°C
Range for Rated Accuracy:
Type J: -138.0 to 760.0°C (-216.0 to 1400.0°F)
Type K: -105.0 to 1248.0°C (-157.0 to 1999.9°F)
Type T: -112.0 to 400.0 °C (-170.0 to 752.0°F)
Maximum Error: ±1.5°C (±2.7°F) ±5 cts
Span Tempco: ±0.01% of reading/°C
Resolution: 0.1°C or 0.1°F (jumper-selectable)
Full-Scale Step Response: 1 s
Warmup to Rated Accuracy: 20 min
Analog Output
Voltage: 1 mV/deg
Calibration Error: ±1.5 mV on °C, ±2.7 mV on °F
Current: 1 mA max
Source Resistance: 68 Ω
Analog-to-Digital Conversion
Technique: Dual-slope, average value
Signal-integration period: 100 ms
Read Rate: 2.5/s
Display
Type: 7-segment, red LED
Height: 14.2 mm (0.56")
Symbols: -1.8.8.8.8
Decimal Points: Four positions programmable by jumpers behind the lens or at connector
Overrange Indication: Four leastsignificant digits flash
Power
AC Voltages: 115 or 230 Vac, ±15%
AC Frequency: 49 to 440 Hz
DC Voltages: 9 to 32 Vdc, isolated to 300 Vp; 26 to 56 Vdc, isolated to 300 Vp
Power Consumption: 3.7 W nominal
Output Voltages: 4.7 Vdc and -4.7 Vdc ±5%, 10 mA max
Environmental
Operating Temperature: 0 to 60°C
Storage Temperature: -40 to 85°C
Relative Humidity: 95% at 40°C (non-condensing)
Mechanical
Bezel: 96 W x 48 H x 5.1 mm D (3.78 x 1.89 x 0.20")
Depth Behind Bezel: 104 mm (4.09")
Panel Cutout: 92 W x 45 mm H (3.62 x 1.77")
Weight: 15 oz (425 g)
Case Material: 94V-0 UL-rated polycarbonate
產品型號說明
(1) (2) (3) (4)
選項描述

(1) Model
選擇
DP3002 代表 4-1/2 digit thermocouple meters
(2) Input Range
選擇
-JC1 代表 -138 to 760°C
-JF1 代表 -216 to 1400°F
-KC1 代表 -105 to 1248°C
-KF1 代表 -157 to 1999°F
-TC1 代表 -112 to 400°C
-TF1 代表 -170 to 752°F
(3) Power options
選擇
Nothing(leave field blank) 代表 115 Vac 50/60 Hz power
-C1 代表 230 Vac 50/60 Hz
-C3C 代表 Isolated 9 to 32 Vdc
-C3E 代表 Isolated 26 to 56 Vdc
(4) Add-On Option
選擇
Nothing(leave field blank) 代表 red LED display
-G 代表 Green LED display
 

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