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Other products by Eclipse
Item #: MT-8100
Part #: MT-8100
Our Price: $227.05
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Item# MT-8100

Butt Set - Water and Drop Resistant


  • High impedance monitor
  • Line voltage test
  • Line Continuity test
  • Polarity indication
  • Two-way hands-free speakerphone
  • Tone and pause operation
  • Speed dialing
  • Last number redial
  • PBX pause button
  • Mute switch
  • Electronic adjustable Volume
  • Auto power off
  • Low battery indication
  • Audible ring
  • Extra large steel locking belt chip
  • Angled bed of nails and RJ11 plug

More Details


Loop limit2 K Ohm maximum at 48 VDC (nominal 20 mA minimum loop current

DC resistance:

Talk mode

300 Ohm typical
Monitor impedance39k Ohm nominal at 1 kHz

Rotary dial output:

Pulsing rate10pps+0.8pps
Percent break61% +/- 2%
Interdigit interval1000 ms typical
Leakage during break>50 k Ohm

DTMF output:

Tone frequency error+/- 1.2% maximum
Tone level-8 +/- 2dBm combined (typical)
High versus low tone difference4 dB maximum

Memory dialing:

Memory capacity13 memories including M1, last number redialing
Digit capacity16 digits per memory
PBX pause duration4 seconds
Line voltage test5 Phase AC/DC voltage indication (under24V,24~100V,101~150V, 151~200V, more than 200V)
Monitor amplifier9V transistor; provides 25 hours continuous use, typical
Power sourceContinuous use, typical
Automatic power shut off (Monitor type)After 5 min. of no audio signal
Speaker phone levelsElectronically adjustable
Power sourceBattery (9V) 6F22 (Not included)


Measurement230 x82 x 89mm (9.1" x 3.2" x 3.5")
Weight635g typical
Water resistanceDust protection & Waterproof tested to an IEC/EN 60529 IP54 rating
Cord setsAngled bed of nails and RJ11 plug



Operating: 0 to 50°C

Storage:-10 to 60°C

AltitudeTo 10,000 feet (3,000M) max
Relative humidity5 To 95%


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