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DCA5-20PC Series
50mV & 100mV Input, LED-Display,
Performance/Functional Speci?cations
Typical at T A = +25°C, unless otherwise noted.
Subminiature DC Ammeters
Input (TB1) ?
Min.
Typ.
Max.
Units
Ordering Information
Full Scale Input ? 49.5
Overvoltage Rating ? ±400
Input Impedance –
Shunt Input to Power Supply Isolation ?
50
–
1K
50.5
–
–
mV
mV
Ohms
DCA5-20PC - x - DC 1 - R L - C
Add -C for RoHS
LED Color:
BL = Low-Power Blue
DCA-20PC-X-DC4 models only
500
–
–
Vdc
Power Supply:
BS = Super Blue
GS = Standard Green
Performance
DC1 = +5-40Vdc, non-isolated power
PGL = Low-Power Green
Sampling Rate
Accuracy
2.5 reading per second
±0.15%FS
(available with -RL, -BL, or -PGL LEDs)
DC4 = +8-36Vdc, isolated power
(available with -RL, -BS, or -GS LEDs)
RL = Low-Power Red
Zero-Current Reading ?
“–001”
“000”
“001”
Counts
Input Range:
Temperature Drift (0 = +60°C)
–
±0.2
±0.4
Cnts/°C
1
Use with these 50mV shunts*
5A 50A 500A
or
with these 100mV shunts*
10A 100A 1000A
Power Supply Voltage (TB2)
2
1A 10A 100A 1000A
2A 20A 200A 2000A
DCA-20PC-X- DC1 -XX
DCA-20PC-X- DC4 -XX
Power Supply Current ?
DCA-20PC-X- DC1 -XX (@ 5-40V)
DCA-20PC-X- DC4 -XX (@ 8V)
DCA-20PC-X- DC4 -XX (@ 36V)
+5.0
+8
–
–
–
–
–
10
100
25
+40
+36
15
150
40
Vdc
Vdc
mAdc
mAdc
mAdc
3
4
5
6
7
8
9
10
30A 300A
75A 750A
15A 150A 1500A
2A 20A 200A 2000A
25A 250A
400A
600A
80A 800A
60A 600A
15A 150A 1500A
—
—
5A 50A 500A
80A 800A
120A 1200A
—
TB1 and TB2 Terminal Blocks
11
1200A
—
Wire Size
Insulation Strip Length
16-22AWG, solid or stranded
0.250 inches
*With respective decimal point user enabled. See technical note 7.
Accessories:
Screw Tightening Torque
Rated Current
2.2 lb·in (0.25 N·m) ±20%
20A with 12AWG solid copper wire;
DMS-20-CP
Shunt Model
3020-01097-0
Panel Cutout Punch
Rating
5A/50mV
Use with
DCA5-20PC- 1
Display
15A with 14AWG solid or stranded
copper wire
3020-01107-0
3020-01098-0
3020-01096-0
3020-01099-0
10A/100mV
20A/50mV
50A/50mV
100A/50mV
DCA5-20PC- 1
DCA5-20PC- 6
DCA5-20PC- 1
DCA5-20PC- 2
Display Type and Size
Overrange Indication
Display Reading/Decimal Point
Physical/Environmental
3? digit, 0.37"/9.4mm high red, blue or
green LED
"–1_ _ _" for negative Vin
"1_ _ _" for positive Vin
Model dependent
3020-01108-0
3020-01100-0
3020-01101-0
3020-01102-0
3020-01103-0
3020-01104-0
3020-01105-0
3020-01106-0
100A/100mV
150A/50mV
200A/50mV
300A/50mV
500A/50mV
800A/50mV
1000A/50mV
1200A/50mV
DCA5-20PC- 1
DCA5-20PC- 5
DCA5-20PC- 6
DCA5-20PC- 3
DCA5-20PC- 1
DCA5-20PC- 10
DCA5-20PC- 2
DCA5-20PC- 11
Operating Temperature
Storage Temperature
Humidity (non-condensing)
0
–20
0
–
–
–
+60
+75
85
°C
°C
%
A DMS-BZL4-C bezel assembly with sealing gasket is supplied with each ammeter.
? On non-isolated ‘-DC1’ models, continuous application of single-ended ±400mV
inputs will not damage the ammeter. Single-ended inputs are de?ned as those
whose TB1-1 (–IN) potential is within ±0.1V of the potential on TB2-2 (-V). For
Case Material
Dimensions
Weight
Polycarbonate
1.38"W x 0.88" x 1.0" nominal
0.6 ounces (17 grams)
all models, the application of short-duration (5 seconds max.) ±1V inputs will not
damage the ammeter.
? Breakdown (isolation) voltage applies only to ‘-DC4’ isolated-power models.
Breakdown voltage is tested with TB1-1 tied to TB1-2 (–IN shorted to +IN) and
? A full-scale input voltage of 50.00mV is used to calibrate all models for their designated
measurement range. The ammeter’s rear calibration potentiometer compensates for
full-scale input variations up to ±1% (49.5 to 50.5mV).
Measuring positive and negative currents (bipolar operation) : In applications
where both positive and negative currents must be measured, Murata Power Solu-
tions recommends using ‘-DC4’ 8-36V isolated supply models. Negative current
?ow is denoted by the illumination of the display’s negative (–) sign; the absence of
a negative sign implies positive current ?ow. Contact MPS if you have any questions
regarding bipolar operation of DCA5-20PC ammeters.
TB2-1 tied to TB2-2 (+V shorted to -V). 500Vdc is then applied between the
two shorted terminal-block pairs; the max. allowable leakage current is 5uA.
? Zero reading is measured with TB1-1 (–IN) shorted to TB1-2 (+IN).
? Power supply currents noted are measured with the 50mV shunt input (TB1) at
zero volts (display reads “000”) and one decimal point enabled.
? Each model’s full-scale display reading with a 50.0mV input is designated by the
?rst X in the DCA5-20PC-X-XXX model number structure. Decimal point selection
(DP1, DP2, DP3, or none) is performed by the user to suit desired amperage range.
Input ranges -1, -2, -3, -4, -7, -8 and -9 can accommodate 100mV shunts. For these
ranges, the indicated 50mV reading is doubled when a 100mV input is applied.
www.murata-ps.com/support
MPM_DCA5-20PC.B09 Page 2 of 6
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相关代理商/技术参数
DCA5-20PC-2-DC1-BL-C
功能描述:数字面板表 1A/10A/100A/1000A Low-Power Blue RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC1-PGL-C
功能描述:数字面板表 1A/10A/100A/1000A Low-Power Green RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC1-RL
功能描述:数字面板表 5-40Vdc Non-isolated Low Power Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC1-RL-C
功能描述:数字面板表 5-40Vdc Non-isolated Low Power Red RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC4-BS
功能描述:数字面板表 8-36Vdc Isolated Super Blue RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC4-BS-C
功能描述:数字面板表 8-36Vdc Isolated Super Blue RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC4-GS
功能描述:数字面板表 8-36Vdc Isolated Standard Green RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM
DCA5-20PC-2-DC4-GS-C
功能描述:数字面板表 8-36Vdc Isolated Standard Green RoHS:否 制造商:Murata Power Solutions 设备类型:AC Voltmeters 显示器类型:LED, 3 Digit, Red 工作电源电压:85 VAC to 264 VAC 工作电源电流:50 mArms 输入电流:50 mA 输入频率: 输入电压:120 VAC 系列:DMS-20PC-1-LM