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Omega DP3001 - page 1
http://www.omega.com e-mail: info@omega.com ™ ® U ser’s Guide DP3001 DIGITAL PANEL VOLTMETER ...
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i TABLE OF CONTENTS SAFETY CONSIDERATIONS ......................................................................................... iii 1.0 GENERAL INFORMATION ........................................................................................ 1 2.0 SPECIFICATIONS ................................................................................ ...
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ii LIST OF FIGURES: Figure 3.1 DIN Case Dimensions .................................................................................. 4 Figure 3.2 Exploded View .............................................................................................. 5 Figure 4.1 Side View of Transformer ........................................................ ...
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iii SAFETY CONSIDERATIONS This device is marked with the international Caution symbol. It is important to read this manual before installing or commissioning this device as it contains important information relating to Safety and EMC (Electromagnetic Compatibility). Unpacking & Inspection Unpack the instrument and inspect for obvious shipping d ...
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1 1.0 GENERAL INFORM AT I ON This voltmeter is a 4 1/2 digit panel meter f or applications which require a compact, quality DC v oltmeter . This model uses dual-slope conversion. Additionally , it provides automatic z eroing before each reading and does so with a minimum of par ts f or increased reliability . The voltmeter has a resolution of 1 par ...
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2 2.4 A CCURA CY A T 25°C Maximum error ±0.01% of reading ±2 counts Span tempco ±0.01% of reading/°C Step response 1 second W ar m-up to rated accuracy 10 minutes 2.5 DIGIT AL INPUTS P ositive true referenced to DIG GND 2.6 ANALOG-T O-DIGIT AL CONVERSION T echnique Dual-slope, av erage-v alue Input integration period 100 milliseconds Read rate ...
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Omega DP3001 - page 9
3 2.10 MECHANICAL Bezel 96 x 48 x 5.1 mm (3.78 x 1.89 x 0.20 in) Depth behind bezel 104 mm (4.09 in) (with connector) P anel cutout 92 x 45 mm (3.62 x 1.77 in) W eight 400 g (14 oz) Case material 94V -0 UL-rated polycarbonate D1 connector option PCB edge connector with a double ro w of (non-CE) 18-pins, 3.96 mm (0.156 in) spacing between pin s D4 c ...
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Omega DP3001 - page 10
4 Figure 3.2 Exploded View 3.2 P ANEL MOUNTING 1. Remo ve main board connector J1, if installed. Loosen the two clamp screws (with a #8 Phillips screwdriv er) on the rear of case and rotate the slide clamps. Push the two slide retainers to ward the rear of the unit and remov e them. 2. W orking from the front of the panel, inser t the meter into th ...
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Omega DP3001 - page 11
5 4.0 POWER AND SIGNAL A C versions of the v oltmeter are factory-set for 115 V ac in the USA and 230 V ac in Europe (using C1 option) ±15% operation. DC versions are preset f or 9-32 Vdc or 26-56 Vdc operation. It is not possible to change the meter from 9-32 Vdc to 26-56 Vdc or vice versa. Different static in verters are installed by the f actor ...
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Omega DP3001 - page 12
6 Figure 4.2 Rear T erminal Hookups Wire Color for A C P ower USA Other (High) Black Brown (Low) White Blue (Ground) Green Green Model P ower Signal AC D1 Connector A High 17 High 2 Low 16 L ow C Ear th Ground T Analog Ground D4 Connector 1 High 6 High 2 Low 5 L ow 3 Ear th Ground 4 Analog Ground DC D1 Connector 2 + DC 17 High C - DC (return) 16 L ...
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Omega DP3001 - page 13
7 4.3 MAIN BO ARD PIN ASSIGNMENTS (J1 Card Edge) Left to right, looking at rear of case P1 Connection Standard A Spare (E16) 1 No connection B No connection 2 Spare (E18) C Spare (E19) 3 No connection D No connection 4 No connection E Spare (E43) 5 No connection F 1999.9 (DP4) 6 Spare (E24) H 199.99 (DP3) 7 Spare (E23) J 19.999 (DP2) 8 Spare (E22) ...
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Omega DP3001 - page 14
8 4.4 SIGNAL INPUTS RA TIO : The reference input allo ws an external voltage to be used as the ref erence source for con version. In this mode, the meter reads the r atio of the signal voltage to the ref erence voltage rather than the true v alue of the input. Signal V oltage Reading in Counts = Ref erence V oltage x 10000 On the 20 V and 200 V ran ...
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Omega DP3001 - page 15
9 5.0 CO NFIGURA TION Select the desired configurations from the f ollowing char ts. Install jumpers and open/close solder s witches as indicated. Remov e all push-on jumpers not used. 5.1 DECIMAL POINT SELECTION Figure 5.1 Display Boar d Jumper Locations Decimal P oint S1 Alternate decimal point configuration using main board connector J1. 1.999 ...
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Omega DP3001 - page 16
10 5.2 V OL T A GE RANGE SELECTION Figure 5.2 Main Board J umper Locations *Ref er to Figure 5.3 . S3-A is used f or signal connections. Refer to Section 4 f or more information. Input Configuration Solder Switches* Push-on Jumpers Wire Jumper Open Close S2 S4 W10 2 Vdc J, L H, I, K - - Install 20 Vdc J, L H, I, K A B Remove 200 Vdc J, L H, I, K A ...
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11 Figure 5.3 Solder Switch Locations Solder s witch F is used for ref erence input impedance ratio . Ref er to Section 4 for more inf or mation. 6.0 C ALIBRA TION This unit was f actor y-calibrated with a precision v oltage source. F requent calibration is not necessary due to the stability and inter nal accuracy . If calibration is needed, use th ...
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12 7.0 DRA WINGS Figure 7.1 Assembly Dia gram, Main and Display Board ...
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13 8.0 D UAL-SLOPE CONVERSION At the beginning of a conv ersion, the voltage across C int is z ero . The signal is then applied to the integrator and the v oltage across C int rises by the f or mula: T1 E Cint = Esig R int C int At the end of a fix ed per iod of 10000 counts, T1, the counters are reset to 00000. The signal input is turned off and ...
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NOTES ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ____________________________ ...
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15 NOTES ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _________________________ ...
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16 NOTES ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _________________________ ...
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Omega DP3001 - page 23
WARRANTY / DISCLAIMER OMEGA EN GINEERING , INC. warrants this unit to be free of defects in materials and workmanship for a period of one (1) year from the date of purchase. In addition to OMEGA’s standard warranty period, OMEGA Engineer ing will extend the warranty period for one (1) additional year if the warranty card enclosed with each instru ...
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Omega DP3001 - page 24
M5280/1112 11119ML-99J Where D o I Find E verything I Need for Process M easurement and C ontrol? O ME GA… O f C ourse! Shop on line at omega.com T EM PE RATUR E R The rmocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies R Wire: Thermocouple, RTD & Thermistor R Calibrators & Ice Point References R Recorders, Control ...
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