Digital Clamp Meter: DCM49A
DCM49A is a general purpose 3¾ digits AC/DC clamp meter with a backlight and an LCD display. The jaw opening is 60mm approx and can measure AC/DC up to 1000A. It also measures DC voltage-1000V, AC voltage-700V, resistance up to 40MΩ, frequency-10 MHz with duty cycle, continuity & diode measurements.
DCM49A is a general purpose 3¾ digits AC/DC clamp meter with a backlight and an LCD display. The jaw opening is 60mm approx and can measure AC/DC up to 1000A. It also measures DC voltage-1000V, AC voltage-700V, resistance up to 40MΩ, frequency-10 MHz with duty cycle, continuity & diode measurements. This meter also has a capacitance range of up to 100µF & is powered by a 9V battery.
Application
- Power Utility
- Industries
- Electrical Contractor
- Telecommunication
- Railway
FEATURES
- 3 ¾ digits LCD display, 4000 counts, multi-function 1000A AC/DC
- Large jaw size: 60mm
- Function rich, AC/DC Current, AC/DC voltage, resistance, diode, continuity, capacitance, frequency, and duty cycle
- Large display with a backlight for rich annunciations
- Auto power off for battery life-saving
- Relative reading and data hold functions
- Ergonomic design for improved holding
- Suitable for use in appliance testing, portable tools, and building wiring
- Testing of electronic/electrical products.
Accuracy
- All accuracy is claimed from 10% to 95% of the range.
- All claims of accuracy are at decade value i.e 10, 100 tec.
- Accuracy is specified as ±(% of reading + offset in least count digits)
- Accuracy is claimed at 23̊C ± 3̊ C, 55% ±10% RH humidity.
General
Display : 4000 Counts, LCD display.
Dimensions (W x H x D) : 260 X 91 X 44.5mm approx.
Weight : 500g. approx.
Environmental
Operating Temperature : 0°C to 40°C <80% RH (non condensing)
Storage Temperature : – 10°C to 60°C <80% RH (non condensing)
Battery Removed
Temperature coefficient : 0.1 X Accuracy / deg C.
Power
Power Supply : 9V Battery NEDA 1604 / Type 6F22/006P
Auto Power OFF : 30 min of Ideal condition
consumption is 1.3mA approx. (Can be canceled by pushing any except for Hold & SELECT key before powering on the meter).
Safety : In accordance with IEC 61010-1 and IEC 61010-2-32, Double insulation
DC 1000V and AC 700V, CAT II and pollution degree II
Standard Accessories
Pair of Test Leads, User Manual, Battery installed
DC Voltage (Auto/Manual Ranging)
| Range | Accuracy | Overload protection | Input Impedance |
| 4V | ±(1.5% + 10d) | 1000V DC OR 750 V AC RMS | 10MΩ approx. |
| 40V | |||
| 400V | |||
| 1000V |
AC Voltage (50-500Hz)Trms
| Range | Accuracy | Overload protection | Input Impedance |
| 4V | ±(1.5% + 10d) | 1000V DC OR 750 V AC RMS | 10MΩ I I 30pF (approx.) |
| 40V | |||
| 400V | |||
| 700V |
DC/AC (50-60Hz) : (Manual Ranging
| Range | Resolution | Accuracy | Overload protection |
| 400A | 0.1A | ±(2.5% + 10d) | 102% of Full scale for <60 Sec. |
| 1000A | 1A |
Resistance Range (Auto/Manual)
| Range | Accuracy | Overload protection |
| 400 Ω | ±(1% + 5d) | 250V DC/AC RMS |
| 4 KΩ | ||
| 40 KΩ | ||
| 400 KΩ | ||
| 4 MΩ | ||
| 40 MΩ |
CAPACITANCE RANGE (Auto-Ranging)
| Range | Accuracy | Overload protection | Open Circuit Voltage |
| 100 µF | ±(3.0% + 10d) | 250V DC or AC RMS | <0.8V |
Diode Test: Measure forward voltage drop. Evers circuit. Voltage approx. 1.5V Input protected up to 250V DC or AC RMS.
Continuity : Buzzer sound if resistance <50 Ohm
Input protected up to 250V DC or AC RMS.
FREQUENCY RANGES (Auto-Ranging Only)
| Range | Accuracy | Sensitivity | Overload Protection |
| 10 MHz | ±(0.5% + 10d) | 4V | 250V RMS AC or DC |
DUTY CYCLE :
| Range | Resolution | Sensitivity | Overload Protection |
| 0.1%-99.9% | 0.1% | 4V | 250V RMS AC or DC |
Note: Its use is not advised on multi-phase high energy circuits where heavy transients are likely to occur.
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