Elma Instruments ELMA 46, Руководство пользователя

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Elma 46 22
v. 170309
4. Specifikationer
4.1
Cable Length Measurements
Range : 1.0 to 350m (2-999 ft)
Accuracy : 5% + 1m (5% +3ft)
Resolution : Measurement Units in Feet : Cables < 100 ft : 0.5 ft Cables > 100 ft :1ft
Measurement Units in Meters. Cables < 100 meters : 0.5m Cables > 100 meters :1m
4.2
Failures Detected
4.2.1
Shorts
Range of short detection : 0 to 350m ( 0 to 999ft)
Accuracy of distance to a short (Assumes short is 0Ω)
UTP/FTP : 7% + 3m (7% + 10ft)
Coaxial Cables : 10% + 10m (10% + 30ft)
4.2.2
Opens
Range of open detection : 0 to 350m (0 to 999ft)
Accuracy of distance to an open :UTP/FTP : 10% + 1m (10% + 3 ft)
4.2.3
Split pairs
Range of detection : 2 to 350m (6 to 999ft)
Split pair part of the cable must be at least 2 meters (6ft) in length and greater than 10%
of the total cable length.
4.2.4
COAX Termination Measurements
Any loop resistance value between 5 and 350
Ω is interpreted as a termination
resistance. Resistance value below 5
Ω is considered shorts and resistance value
greater than 350
Ω is not displayed.
4.3
General specifications
Display : 2 lines of 16 characters LCD.
Power : Six AAA size 1.5V batteries.
Low Battery Indication :
Display shown “LOW BATTERY”. +
Battery Life : 100 hours.
Auto Power off : 5 minutes, (When there is no key activity).
Remote Cable Identifiers : #1 (#2 to #4 and #5 to #8 are optional).
Input Protection : 50V DC.
LAN Input Connectors : RJ45 and BNC.
4.4
Environmental Conditions
Operating: 0 to +40
℃
< 80%RH / Storage : -20 to +60
℃
< 70%RH
4.5
Dimensions
Dimensions: Cable Tester 150 x 72 x 35mm
Remote identifier 60 x 23 x 22mm
Weight: Cable Tester 215g /
Remote identifier 35g