Digital Clamp Meter
MOTWANE’s Digital Clamp Meter DCM 39A & DCM 9930A comprises high precision, industrial grade, RMS, auto-ranging clamp meters with 3¾ digits display. Both the clamp meters can be used as multimeters with test leads for AC/DC measurements of up to 400 mA, along with measuring AC/DC voltage, resistance, frequency, capacitance, duty cycle, diode, continuity, etc.
MOTWANE’s Digital Clamp Meter DCM 39A & DCM 9930A comprises high precision, industrial grade, RMS, auto-ranging clamp meters with 3¾ digits display. Both the clamp meters can be used as multimeters with test leads for AC/DC measurements of up to 400 mA, along with measuring AC/DC voltage, resistance, frequency, capacitance, duty cycle, diode, continuity, etc. These clamp meters are provided with multiple safety features like a water-resistant front panel and fireproof heavy-duty ABS casing. It uses the Hall Effect sensor for measuring the current. The model DCM 39A measures AC/DC currents up to 1000A. The model DCM 9930A measures AC/DC currents up to 2000A.
Application
- Generation, Transmission & Distribution
- Substation Process industries
- OEMs
- Railways
- Telecom Industries
- Service Industries
Features
- Auto-ranging 3¾ digits (3999) LCD-display
- True RMS reading for ACV & ACA
- 2 in 1 clamp meter + Digital Multimeter
- Overload protection for all ranges
- Data hold feature with relative key facility
- Water resistance front panel, fireproof heavy-duty ABS casing
- Current sensor- Hall Effect Sensor
- Over range indication: ‘OL’ is displayed
- Max conductor size is 60mm approx
- Power – one 9V battery type (6F22)
General
Display : 3 ¾ Digits LCD display.
Dimension (H X W X L) : 255 X 73 X 38 mm (approx.)
Net weight : 515 gm with battery (approx.)
Power
Power Supply : 9V Battery Type 6F22
Standard Accessories
Pair of Test Leads, User Manual, One 9V Battery installed
AC/DC Current (True RMS for AC)- DCM39A
| Range | Resolution | Input | Accuracy |
| 400 µA | 0.1 µA | Direct Input (by using leads) | ± 1.2% ± 5dgt |
| 4000 µA | 1 µA | ± 1.2% ± 5dgt | |
| 40 mA | 0.01 mA | ± 1.2% ± 5dgt | |
| 400 mA | 1 mA | ± 1.2% ± 5dgt | |
| 400 A | 0.1 A | Indirect Input (by using clamp) | ± 2% ± 8dgt |
| 1000 A | 1 A | ± 2% ± 8dgt |
Overload protection : AC/DC 500mA(Fuse)
AC/DC 1000A/1000V
Frequency Response : 45Hz – 1KHz
AC/DC Current (True RMS for AC)- DCM9930A
| Range | Resolution | Input | Accuracy |
| 400 µA | 0.1 µA | Direct Input (by using leads) | ± 1.2% ± 5dgt |
| 4000 µA | 1 µA | ± 1.2% ± 5dgt | |
| 40 mA | 0.01 mA | ± 1.2% ± 5dgt | |
| 400 mA | 1 mA | ± 1.2% ± 5dgt | |
| 400 A | 0.1 A | Indirect Input (by using clamp) | ± 2% ± 8dgt |
| 2000 A | 1 A | ± 2% ± 8dgt |
Overload protection : AC/DC 500mA(Fuse)
AC/DC 2000A/1000V
Frequency Response : 45Hz – 1KHz
Common Technical Specification for DCM39A and DCM9930A
DC VOLTAGE
| Range | Resolution | Accuracy | Overload protection |
| 400mV | 0.1 mV | ± 0.5% ± 2dgt | 1000V DC OR 1000V AC RMS (Sine wave) |
| 4V | 0.001 V | ± 1% ± 2dgt | |
| 40V | 0.01 V | ± 1% ± 2dgt | |
| 400V | 0.1 V | ± 1% ± 2dgt | |
| 1000V | 1 V | ± 1% ± 2dgt |
Input Impedance : ≥10MΩ (Approx)
AC VOLTAGE
| Range | Resolution | Accuracy | Overload protection |
| 4V | 0.001 V | ± 1.2% ± 5dgt | 1000V DC OR 1000V AC rms (Sine wave) |
| 40V | 0.01 V | ± 1.2% ± 5dgt | |
| 400V | 0.1 V | ± 1.2% ± 5dgt | |
| 1000V | 1 V | ± 1.2% ± 5dgt |
Input Impedance : 10MΩ (Approx)
Frequency Response : 45Hz – 1KHz
RESISTANCE RANGE
| Range | Resolution | Accuracy | Overload protection |
| 400 Ω | 0.1 Ω | ± 1% ± 5dgt | 400V DC/AC RMS (Sine wave) |
| 4 KΩ | 1 Ω | ± 1% ± 5dgt | |
| 40 KΩ | 10 Ω | ± 1% ± 5dgt | |
| 400 KΩ | 100 Ω | ± 1% ± 5dgt | |
| 4 MΩ | 1 KΩ | ± 2% ± 2dgt | |
| 40 MΩ | 10 KΩ | ± 3.5% ± 5dgt |
CAPACITANCE RANGE
| Range | Resolution | Accuracy | Overload protection |
| 50 nF | 10 pF | ± 3% ± 5dgt | 400V DC/AC RMS (Sine wave) |
| 500 nF | 100 pF | ± 3% ± 5dgt | |
| 5 µF | 0.001 µF | ± 3% ± 5dgt | |
| 50 µF | 0.01 µF | ± 3% ± 5dgt |
FREQUENCY RANGES
| Range | Resolution | Accuracy | Overload protection |
| 50Hz | 0.01Hz | ± 1% ± 5dgt | 1000V AC/DC |
| 500Hz | 0.1Hz | ± 1% ± 5dgt | |
| 5KHz | 1Hz | ± 1% ± 5dgt | |
| 50KHz | 0.01 kHz | ± 1% ± 5dgt | |
| 100KHz | 0.1 kHz | ± 1% ± 5dgt |
Amplitude : < 5V
DUTY CYCLE
| Range | Resolution | Accuracy | Overload Protection |
| 0.1%-99% | 0.1% | ± 1% ± 5dgt | 1000 V AC/DC |
DIODE: Measures forward voltage drop
CONTINUITY CHECK: Buzzer sound if resistance < 10Ω
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