運揚有限公司 WANCO LIMITED
Handheld TDR
Handheld TDR
TDR500/3
2017-03-30 14:32
2017-03-31 15:04
Product Description
Handheld Time Domain Refleatometry
手持式時域反射器
Model : TDR500/3
The Megger TDR500/3
* SpecificationRange 10 m, 25 m, 100 m, 250 m, 1000 m,
2500 m, 5000 m
(30 ft, 75 ft, 300 ft, 750 ft, 3000 ft,
7500 ft, 15000 ft)
Accuracy ±1% of range ± pixel at 0.67 VF
Resolution 1% of range
Input protection This instrument complies with IEC61010-
1 for connection to live systems up
to 150 V CAT IV when used with the
optional fused test lead set.
Output pulse 5 volts peak to peak into open circuit.
Pulse widths determined by range and
cable.
Gain Set for each range with three user
selectable steps (in manual operating
mode)
Velocity factor Variable from 0.2 to 0.99 in steps of 0.01
TX null Automatic
Power down Automatic after 5 minutes with no key
press
Backlight Stays on for 1 minute with no key press
Battery Five LR6 (AA) type batteries, Manganese
alkali or nickel metal-hydride cells
Battery life Up to 14 hours (typical)
IP rating The instrument is designed for use
indoors or outdoors and is rated to IP54
Dimensions 230 mm x 115 mm x 48 mm (LBD)
Weight 0.6 kg
Case ABS
Connectors Two 4 mm-safety terminals
Test lead (19 mm spaced TDR500/3): 1 pair 2
meters long consisting of 2 x 4 mm
shrouded connector to miniature
crocodile clips
Display 256 x 128 pixel Graphics LCD
Operating
temperature range
and humidity
-15 ºC to +50 ºC (5 ºF to 122 ºF)
Storage temperature
range and humidity
-20 ºC to 70 ºC (-4 ºF to 158 ºF
Safety
When using the optional fused test lead set this instrument complies with IEC61010-1 for connection to live systems with less than 300 V between the terminals and up to 150 V CAT IV to earth
EMC
Complies with Electromagnetic
Compatibility Specifications (Light
industrial) BS EN 61326-1, with a
minimum performance of ‘B’ for all
immunity tests