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APLAB Transmission Measuring Set Model 2031 / 2031A
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APLAB Transmission Measuring Set Model 2031 / 2031A

Product Description

The APLAB Transmission Measuring Set Model 2031 / 2031A Is A Compact And Portable Instrument Specially Designed For The Maintenance And Testing Of Telecommunication Lines In Telephone Exchanges And Field Environments. It Combines A spot Frequency Level Oscillator And A digital DB Level Meter In A Single Unit, Providing A Practical Solution For Communication-line Testing And Maintenance.

The Level Oscillator And Level Meter Operate Independently, Allowing Them To Be Used Separately Or Combined As A Voice Frequency Level Test Set. This Makes The Instrument Suitable For Measurements On Communication Lines, Line-up Testing, And Monitoring Of Communication Facilities.

Level Oscillator And Digital Level Meter

The Instrument Provides Accurate Frequency Generation And Digital Level Measurement For Telecommunications Applications. The Digital DB Meter Measures Signal Levels From -60 DBm To +20 DBm, While Under-range And Over-range Indications Help The Operator Identify Measurement Conditions Quickly.

The Oscillator Provides Selectable Spot Frequencies, With Model 2031A Offering Multiple Selectable Frequencies Extending Up To 4000 Hz. The Output Level Can Be Adjusted For Different Testing Requirements, Making The Instrument Suitable For Voice-frequency Transmission Measurements.

Portable Field Operation

The Compact Construction And Internal Rechargeable Battery Make The Transmission Measuring Set Suitable For Field Applications. A Built-in Lo-Batt Indication Helps Identify Low Battery Conditions, While Its Lightweight Design Makes Transportation And On-site Operation Convenient.

Model 2031A Enhanced Features

Model 2031A Provides Additional Flexibility Compared With The Standard Model 2031. It Includes Selectable Input And Output Impedance Options Of 600 Ohms, 1120 Ohms And Hi (100K). It Also Provides Twelve Selectable Spot Frequencies Ranging From 200 Hz To 4000 Hz, Supporting A Broader Range Of Voice-frequency Testing Applications.

Standard Accessories

Banana To Banana Cable: 1 Pair

Banana To Crocodile Cable: 1 Pair

Banana To 2 Pin Jack: 1 Piece

Battery Jack Cable: 1 Piece

Instruction Manual: 1 Piece

Model 2031A Selectable Frequencies

Model 2031A Provides Twelve Selectable Spot Frequencies:

200 Hz, 400 Hz, 800 Hz, 1000 Hz, 1200 Hz, 1400 Hz, 1600 Hz, 1800 Hz, 2400 Hz, 3000 Hz, 3500 Hz And 4000 Hz.

Product Specifications

Model:

Transmission Measuring Set Model 2031 / 2031A

Instrument Type:

Level Oscillator and Level Meter

Application:

Telecommunication line maintenance and testing

Level Measurement:

-60 dBm to +20 dBm

Measurement Frequency Range:

200 Hz to 20 kHz

Reference Frequency:

800 Hz

Resolution:

0.1 dBm

Display:

3 digits with negative sign indication

Measurement Accuracy:

±0.5 dBm

Model 2031 Frequencies:

300 Hz, 400 Hz, 600 Hz, 800 Hz, 1020 Hz, 1400 Hz, 2400 Hz, 3000 Hz, 3400 Hz and 4000 Hz

Model 2031A Frequencies:

200 Hz, 400 Hz, 800 Hz, 1000 Hz, 1200 Hz, 1400 Hz, 1600 Hz, 1800 Hz, 2400 Hz, 3000 Hz, 3500 Hz and 4000 Hz

Frequency Accuracy:

Model 2031: ±3%; Model 2031A: ±2%

Output Level:

0 dBm to -30 dBm in 10 dB, 20 dB and 1 dB steps with ±1 dB; continuously variable fine control

Output Level Accuracy:

±0.3 dBm at 300 Hz to 4 kHz

Frequency Response:

±0.2 dB, referenced to 0 dB at 800 Hz

Harmonic Distortion:

Output Impedance:

Model 2031: 600 ohms; Model 2031A: 600 ohms, 1120 ohms switchable

Input Impedance:

Model 2031: 600 ohms / 100K ohms switchable; Model 2031A: 600 ohms, 1120 ohms and Hi (100K) switchable

Power Supply:

230V (-15% +10%), 50 Hz mains

Battery Operation:

6V / 2.6AH battery with Lo-Batt indication

Dimensions:

210 (W) × 105 (H) × 200 (D) mm approx.

Weight:

3 kg approx.

Standard Accessories:

Banana-to-Banana Cable, Banana-to-Crocodile Cable, Banana-to-2 Pin Jack, Battery Jack Cable and Instruction Manual

Tag:
APLAB Transmission Measuring SetModel 2031Model 2031ATransmission Measuring SetTelecommunication Test EquipmentTelecom Line TesterLevel OscillatorDigital DB MeterTransmission Testing I

Frequently Asked Questions (FAQs)

The APLAB Transmission Measuring Set Model 2031/2031A is a compact instrument designed for maintenance and testing of telecommunication lines in telephone exchanges and field environments. It combines a spot frequency level oscillator with a digital dB level meter. The oscillator and meter can operate independently or together as a voice-frequency level test set for communication-line measurements, line-up testing, and monitoring of communication facilities.

The digital dB meter of the Transmission Measuring Set provides a measuring range from -60 dBm to +20 dBm with a resolution of 0.1 dBm. The instrument uses a three-digit display with a sign for negative values and provides under-range and over-range indications to assist with level measurements.

Model 2031A provides twelve selectable spot frequencies from 200 Hz to 4000 Hz. The selectable frequencies are 200 Hz, 400 Hz, 800 Hz, 1000 Hz, 1200 Hz, 1400 Hz, 1600 Hz, 1800 Hz, 2400 Hz, 3000 Hz, 3500 Hz and 4000 Hz. This frequency selection supports voice-frequency testing and communication-line measurement applications.

The standard Model 2031 provides a switchable input impedance of 600 ohms / 100K ohms, while Model 2031A provides additional impedance flexibility with 600 ohms, 1120 ohms and Hi (100K) switchable input impedance. Model 2031A also provides selectable 600-ohm and 1120-ohm output impedance.

Yes. The Model 2031/2031A is designed with a compact and lightweight construction for field applications. It supports internal 6V / 2.6AH rechargeable battery operation and includes a Lo-Batt indication to indicate a low battery condition. Its portable design makes it suitable for telecommunication line maintenance, testing, line-up work and monitoring in field environments.