Dlro 10 and dlro 10x digital microhmmeter – Atec Megger-DLRO10_DLRO10X User Manual
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DLRO 10 AND DLRO 10X
Digital Microhmmeter
Full Scale
1.9999 mΩ
19.999 mΩ
199.99 mΩ
1.9999 Ω
19.999 Ω
199.99 Ω
1999.9 Ω
Resolution
0.1 µΩ
1 µΩ
10 µΩ
100 µΩ
1 mΩ
10 mΩ
100 mΩ
Accuracy*
±0.2% ±0.2µΩ
±0.2% ±2 µΩ
±0.2% ±20 µΩ
±0.2% ±0.2 mΩ
±0.2% ±2 mΩ
±0.2% ±20 mΩ
±0.2% ±0.2 Ω
Resistive
20 mV
20 mV
20 mV
20 mV
20 mV
20 mV
200 mV
Inductive
n/a
20 mV
200 mV
200 mV
200 mV
200 mV
200 mV
Resistive
10 A
1 A
100 mA
10 mA
1 mA
100 µA
100 µA
Inductive
n/a
1 A
1 A
100 mA
10 mA
1 mA
100 µA
Resistance ranges
Test current
DLRO 10
DLRO 10X
Measurement: Mode: Manual, Auto, Continuous, Inductive
Manual, Auto, Continuous, Inductive,
Undirectional
Control: Fully Automatic
Fully Automatic/Manual
Speed: <3s for forward & reverse current and to display average
Display: Measurement: 4
1
/
2
digit seven segment LED
Range and Safety: LED indication
Large backlit LCD
Test Method:
Single cycle reversing d.c. ratiometric measurement -average result display.
Test Current: Accuracy:
±10%
Stability: <10 ppm per second
Maximum Lead Resistance:
100 mΩ total for 10 A operation irrespective of battery
condition.
Voltmeter input impedance:
> 200 kΩ
Hum rejection:
Less than 1% ±20 digits additional error with 100 mV peak 50/60 Hz. on the potential leads.
Warning will show if hum or noise exceeds this level.
Data:
Transfer:
Real Time or from storage via RS232
Storage:
700 tests
Memo Field:
Up to 200 characters per test via integral
alphanumeric keypad
Battery: Capacity: 7 Ah NiMH rechargeable
Life: Typically 1000 x 10 A tests before recharge
Recharge: Via external 90 V - 260 V 50/60 Hz charger or from 12 to 15 V dc supply
Charging Rate: Standard: 2.5 hours to 90% capacity, 4 hrs for full charge
Temperature:
Operation: +5 ºC to +45 ºC (41 ºF to 113 ºF) at full specification
-10 ºC to +50 ºC (14 ºF to 122 ºF) at reduced accuracy
Storage
Co-efficient:
-30 ºC to +70 ºC (-22 ºF to 158 ºF)
Slow charging: <0.01% per ºC over range 5 ºC to 40 ºC (<0.006% per ºF from 4 1ºF to 104 ºF)
Humidity (max):
+10 ºC to +45 ºC (50 ºF to 113 ºF)
Altitude (max):
90% RH @ 40 ºC (104 ºF) non-condensing
Safety:
2000 m (6562 ft) to full safety specifications
EMC:
In accordance with IEC61010-1 600 V Category III - only when DH6 leads are used.
In accordance with IEC61326-1
Dimensions:
220 x 100 x 237 mm (8.6 x 4 x 9.5 in)
Weight:
2.6 kg (5
3
/
4
lb.) including battery module
* The accuracy stated assumes forward and reverse measurements.
Inductive mode or undirectional mode will introduce an undefined error if an external EMF is present.
Full scale volts