From Sep 1st 2018, DP3002 Series will be discontinued. As a possible substitute, please check out the DPPt Meter for details.
The DP3002-O is a low-cost, high-resolution 4-1/2 digit
(19,999-count) resistance meter with readout directly
in ohms. Four ranges are jumper-selectable: 19.999 Ω,
199.99 Ω, 1.9999 kΩ, 19.999 kΩ. It is complete with
low-level current excitation and open-resistance
indication. The current source is tied to the reference
of the A/D converter for true ratiometric operation and
immunity to changes in line voltage.
STANDARD FEATURES
Electrical features include linearized analog output of
0.1 mV per count, which is ideal for driving a strip-chart
recorder. Mechanical features include a bright
14 mm (0.56") LED display, a screw-terminal barrier strip
for signal and power, and a compact 1/8 DIN case that
requires a depth of less than 104 mm (4.1") behind
the bezel.
OPTIONS
Power options include isolated 9 to 32 Vdc and 26 to
56 Vdc. Other options are a PCB edge connector for
display control and output of +4.7 Vdc and -4.7
Vdc, and a splash-proof lens cover which meets NEMA 4(IP65) requirements.
SPECIFICATIONS Noise Rejection NMR, SIG HI to SIG LOW: 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
Environmental Operating Temperature: 0 to 60°C Storage Temperature: -40 to 85°C Relative Humidity: 95% at 40°C
(non-condensing)
Display Type: 7-segment, red LED Height: 14 mm (0.56") Symbols: 1.8.8.8.8 Decimal Points: Four positions
programmable by jumpers behind the
lens or connector Overrange or Break Indication: Four
least-significant digits flash Input Connection: 2-, 3- or 4-wire Excitation Current: 4 mA or 40 µA Resistance Break Indication: Meter
displays overrange Overvoltage Protection: 25 Vp
Accuracy at 25°C Zero Tempco: ±1 MΩ/°C (19.999 Ω &
199.99 Ω ranges),
±0.1 Ω/°C (1.9999 kΩ & 19.999 kΩ
ranges) Span Tempco: ±0.005% of reading/°C Full-Scale Step Response: 1 s Warmup to Rated Accuracy: 20 min
Analog-to-Digital Conversion Technique: Dual-slope, average value Signal Integration Period: 100 ms Read Rate: 2.5/s
Digital Inputs Level: TTL or 5V CMOS compatible
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
Analog Output (Linearized) Voltage: 0.1 mV/count Calibration Error: Same as given
under accuracy Current: 1 mA maximum Source Resistance: 68 Ω 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: 94 V-0 UL-rated
polycarbonate
† All amounts shown in AUD
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Option Descriptions:
(1)
Model select from: DP3002 for 4-1/2 digit ohmmeter
(2)
Input Range select from: -OR1 for 0 to 19.999 ohm -OR2 for 0 to 199.99 ohm -OR3 for 0 to 1.999 kohm -OR4 for 0 to 19.999 kohm
(3)
Power options select from: Nothing(leave field blank) for 115 Vac 50/60 Hz power -C1 for 230 Vac 50/60 Hz -C3C for Isolated 9 to 32 Vdc -C3E for Isolated 26 to 56 Vdc
(4)
Add-On Option select from: Nothing(leave field blank) for red LED display -G for Green LED display
Note: All combinations may not be valid, check spec sheet for valid part numbers.
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