|
TDR |
Ranges: 30 ft, 90 ft, 300 ft, 900 ft, 3000 ft, 9,000 ft (10 m, 30 m, 100 m, 300 m, 1 km, 3 km) |
| Resolution |
1% of range |
| Accuracy |
±1% of range ±pixel at 0.67 VF |
| Voltage Measuring Range |
+/-250 VDC +/-1% +/-1 digit |
| Gain |
Set for each range with four user selectable steps |
| Velocity Factor |
Variable from 0.30 to 0.99 in steps of 0.01 |
| Output pulse |
5 V peak to peak into open circuit |
| Output Impedance |
100 Ω |
| Balance Adjustment (TX Null) |
0 to 120 Ω |
| Update Rate |
Once per second for five minutes after last key pressed |
| Bridge |
Loop and Fault Resistance Ranges: 0 to 190 Ω in steps of 0.1 Ω, 190 Ω to 2000 Ω in steps of 1 Ω |
| Accuracy of Fault Reading |
±0.2% ±1 digit from 0Ω to 1 MΩ, ±0.2% ±3 digits from 1 MΩ to 5 MΩ, ±0.2% ±6 digits from 5 MΩ to 10 MΩ |
| Loop Reading |
±0.2% of reading ±1 digit on Ω |
| Voltage to Line |
100 VDC nominal |
| Current to Line |
100 μA DC nominal |
| Insulation Range |
0 to 19 MΩ in steps of 0.01 MΩ, 19 MΩ to 200 MΩ in steps of 0.1 MΩ |
| Insulation Accuracy |
±0.2% of reading ±1 digit |
| Input Protection |
300 VDC or 300 VAC ≤60 Hz |
| Power Down |
Automatic after five minutes inactivity |
| Backlight |
One minute when activated |
| Batteries |
6 x LR6 (AA) nominal voltage 9 VDC (alkali) 7.2V (NiCd) |
| Battery Consumption |
TDR Mode: 100 mA nominal, 140 mA with backlight, Bridge Mode:50 mA nominal, 90 mA with backlight |
| Hours: 20/30 hours, depending on backlight use |
| Safety Meets BS EN 61010-1: 1993 (including amendment 2: 1995-06), and IEC 60950 3rd Edition: 1999-04 and rated for use on TNV-3 circuits. |
| EMC |
Complies with electromagnetic compatibility specification (light industrial) BS/EN50081-1-1992 BS/EN50082-1-1992 |
| Mechanical |
Case Dimensions: 9.05 H x 4.5 W x 1.88 Din. (230 H x 115 W x 48 D mm) Instrument Weight: 1.32 lb (0.6 kg) |
| Display |
128 x 64 pixel graphic LCD |
현재위치 : 
