LB300 Resi Talkertm alligator clip
 
 
Test-Um's most economical test set for basic telephone system work
 
Features
 
LB300 Resi-Talkertm test set
l Tone and Pulse Dialing
l Microphone Mute
l Last Number Redial - 32 digits
l Continuous Line Polarity Indication (TALK or MONITOR)
l Electronic Ringer
l Amplified Line Monitor for volume levels comparable to "off hook" operation
l Modular Cord Set Attachment
l Low Battery Indicator
l Battery Powered Monitor Mode with auto power off on dead lines or when disconnected
LB300 Package Contents:
l LB300: Resi-TalkerTM Test Set
l LB31B: 48" Cord Set
l Instruction Manual
Associated Kits with the LB300:
l KP312: Deluxe Resi-Kit TP300, TG400, LB300, TT300, TP311, TP312, TP314 in a nylon, zippered tool case
Specifications
Return Loss 600 ohm: Greater than 14 dB
Line: Current range: 15 to 120 mA Apparent line resistant: 275 Ohm at 20 mA
Monitor impedance: Greater than 120 kOhm
To choose: Tone or Pulse
Pulse rate: 10 pps +/- 10%
Makes/break ratio: Pulse: 60/40% +/- 2%
Pauses between figures: Pulse: 820 m
Frequency error (DTMF output): +/- 1,5% at 600 ohm
Tone level: High group: -6 dBm to +/- 2dB     Low group: -8 dBm to +/- 2dB
Difference high/low tones: DTMF: 2 dBm +/- 1dB
Ring tone: Electrics, dial tone
To use: Both hands rather                 (with ear phone)
Connection ear phone: 2.5 mm stereo jacket plug
Connection ear phone: Left and right
Measure on: Public Network and PABX
Switches: Talk-Bell-Monitor, Tone-Pulse and Mute (3)
LED's: Battery end indication, normal polarity and reversed polarity (3)
Buttons: Phone keyboard (12), Flash, tone, Pause and the last number repeat (4)
Memory: Last chosen number, 32 digits
PBX Pause duration: Tone: 3 seconds,                 Pulse: 3.4 seconds
Battery storage time: Alkaline battery longer than 2 years, without battery 8 minutes nominal
Physical: Length: 184 mm,               Width: 64 mm,                 Height: 43 mm,                Weight: 227 grams
Material case: High impact resistant 94 V0 ABS
Temperature: Operation: -10°C to 60°C, Storage: -40°C to 66°C
Water resistant: Splash water
Qualified: CE, RoHS and WEEE