The DLRO10X digital micro-ohmmeter bring new standards to low resistance measurement. Its a fully automatic instrument, selecting the most suitable test current, up to 10 A DC, to measure resistance from 0.1 µΩ to 2000 Ω on one of seven ranges. For users who desire more control over the measurement process, the DLRO10X uses a menu system controlled by a two-axis paddle to allow manual selection of the test current. The DLRO10X also enables you to download results in real-time and save them to its on-board storage system for later download to a PC.
The DLRO10X is built into a strong, lightweight case that is equally suitable for use in the field or in the laboratory. Light enough to be worn around the neck, it is small enough to be taken into areas which were previously too difficult to access.
Key Features
Accurate results in under three seconds
Auto current reversal cancels standing emfs
Fuse protected to 600 V
NiMH battery reduces weight
250 mW power limit (with optional override) to avoid heating the test sample
Automatically detects continuity in potential and current connections
Visible warning of high voltages present at the terminals
Visible warning of current flowing in the test sample
Multiple operating modes including fully automatic
Alpha-numeric keypad for entering test notes
Users-selectable high and low limits
Autoranging with manual option
Printer output and memory
New interchangeable test lead terminations
Specification
Measurement mode DLRO 10: Manual, Auto,Continuous, Inductive
DLRO 10X: Manual, Auto, Continuous, Inductive, Undirectional
Measurement control DLRO 10:Fully Automatic
DLRO 10X:Fully Automatic/Manual
Measurement speed <3s for forward and reverse current and to display average
Display Measurement : DLRO10: 4 1/2 digit seven segment LED
DLRO10X: Large colour display
Range and safety: DLRO10 LED indications
Test method Single cycle reversing d.c. ratiometric measurement - average result display.
Test current accuracy ±10%
Test current stability <10 ppm per second
Lead resistance Maximum
100 mΩ total for 10 A operation irrespective of battery condition.
Voltmeter input impedance >200 kΩ
Noise 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 DLRO10X:
Real Time or from storage via RS232
Data storage DLRO10X: 700 tests
Memo field DLRO10X:Up to 200 characters per test via
integral alphanumeric keypad
Battery type 5.2 lithium ion rechargeable
Battery life Typical 1300 x 10 A tests before recharge
Battery charge time Via external 90 V - 260 V 50/60 Hz charger from 12 to 15 V dc supply
Standard: 2.5 hours to 90% capacity,
4 hours to fully charged
Slow Charge: +10 °C to +45 °C (50 °F to 113 °F)