RS PRO RS-14 - User Manual

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AUTORANGING MULTIMETER

Instruction Manual

RS-14

Stock No: 123-1938

Africa

RS Components SA

P.O. Box 12182,

Vorna Valley, 1686

20 Indianapolis Street,

Kyalami Business Park,

Kyalami, Midrand

South Africa

www.rs-components.com

Asia

RS Components Ltd.

Suite 1601, Level 16, Tower 1,

Kowloon Commerce Centre,

51 Kwai Cheong Road,

Kwai Chung, Hong Kong

www.rs-components.com

China

RS Components Ltd.

Unit 501, Building C, The

New Bund World Trade Center

Phase II, Shanghai, China

www.rs-components.com

United Kingdom

RS Components Ltd.

PO Box 99, Corby,

Northants.

NN17 9RS

United Kingdom

www.rs-components.com

Japan

RS Components Ltd.

West Tower (12th Floor),

Yokohama Business Park,

134 Godocho, Hodogaya,

Yokohama, Kanagawa 240-0005

Japan

www.rs-components.com

U.S.A

Allied Electronics

7151 Jack Newell Blvd. S.

Fort Worth,

Texas 76118

U.S.A.

www.alliedelec.com

South America

RS Componentes Limitada

Av. Pdte. Eduardo Frei M. 6001-71

Centro Empresas El Cortijo

Conchali, Santiago, Chile

www.rs-components.com

Europe

RS Components GmbH

Mainzer Landstraße 180

60327 Frankfurt am Main

Germany

Main Page

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The RS-14 (Stock No: 123-1938) is an autoranging multimeter designed for a wide range of electrical measurements. It features a 2000-count Liquid Crystal Display (LCD) with symbolic signs, providing clear function indication and automatic polarity for negative readings. The device is equipped with an Auto Power Off function that activates after approximately 15 minutes of inactivity, conserving battery life.

Function Description:

The RS-14 is capable of measuring:

DC Voltage (V DC): Auto-ranging, with ranges from 200.0mV to 600V.
AC Voltage (V AC): Auto-ranging (except 200mV), with ranges from 200.0mV to 600V.
DC Current (mA DC/A DC): Auto-ranging for µA and mA, with ranges from 200.0µA to 10A.
AC Current (mA AC/A AC): Auto-ranging for µA and mA, with ranges from 200.0µA to 10A.
Resistance (Ω): Auto-ranging, with ranges from 200.0Ω to 20.00MΩ.
Diode Test: Measures forward voltage drop.
Continuity Check: Provides an audible signal for low resistance.
Temperature (°C/°F): Measures temperature using a Type K thermocouple.

Important Technical Specifications:

Compliance: EN61010-1.
Insulation: Class 2, Double insulation.
Overvoltage Category: CATIII 600V.
Display: 2000 counts LCD with function indication.
Polarity: Automatic, (-) negative polarity indication.
Overrange Indication: "OL".
Low Battery Indication: "BAT" symbol.
Measurement Rate: 2 times per second, nominal.
Auto Power Off: After approx. 15 minutes of inactivity.
Operating Environment: 0 °C to 50 °C (32 °F to 122 °F) at < 70 % relative humidity.
Storage Temperature: -20 °C to 60 °C (-4 °F to 140 °F) at < 80 % relative humidity.
Max Height for Inside Use: 2000m.
Pollution Degree: 2.
Power: One 9V battery, NEDA 1604, IEC 6F22.
Dimensions: 150 (H) x 70 (W) x 48 (D) mm.
Weight: Approx. 255g.
Accuracy: Specified at 18 °C to 28 °C (65 °F to 83 °F), less than 70 % RH.

Input Limits:

V DC or V AC: CATIII-600V DC/AC.
mA DC/AC: 200mA/250V DC/AC.
A DC/AC: 10A/250V DC/AC (30 seconds max every 15 minutes).
Resistance, Diode test, Continuity, Temperature: 250V DC/AC.

DC Voltage Accuracy:

200.0mV: 0.1mV resolution, ±0.5% of rdg + 2 dgts.
2.000V: 1mV resolution, ±1.0% of rdg + 2 dgts.
20.00V: 10mV resolution, ±1.0% of rdg + 2 dgts.
200.0V: 100mV resolution, ±1.2% of rdg + 2 dgts.
600V: 1V resolution, ±1.2% of rdg + 2 dgts.
Input Impedance: 10MΩ.
Maximum Input: 600V dc rms.

AC Voltage Accuracy (except 200mV):

200.0mV: 0.1mV resolution, ±1.5% of rdg + 30 dgts.
2.000V: 1mV resolution, ±1.2% of rdg + 3 dgts.
20.00V: 10mV resolution, ±1.5% of rdg + 3 dgts.
200.0V: 100mV resolution, ±2.0% of rdg + 4 dgts.
600V: 1V resolution, ±2.0% of rdg + 4 dgts.
Input Impedance: 10MΩ.
Frequency Range: 50 to 60Hz.
Maximum Input: 600V dc/ac rms.

DC Current Accuracy (for µA and mA):

200.0µA: 0.1µA resolution, ±1.0% of rdg + 3 dgts.
2000µA: 1µA resolution, ±1.5% of rdg + 3 dgts.
20.00mA: 10µA resolution, ±1.5% of rdg + 3 dgts.
200.0mA: 100µA resolution, ±2.5% of rdg + 5 dgts.
10A: 10mA resolution, ±2.5% of rdg + 5 dgts.
Overload Protection: 0.2A / 250V and 10A / 250V Fuse.
Maximum Input: 200mA dc or 200mA ac rms on µA / mA ranges, 10A dc or ac rms on 10A range.

AC Current Accuracy (for µA and mA):

200.0µA: 0.1µA resolution, ±1.5% of rdg + 5 dgts.
2000µA: 1µA resolution, ±1.8% of rdg + 5 dgts.
20.00mA: 10µA resolution, ±1.8% of rdg + 5 dgts.
200.0mA: 100µA resolution, ±3.0% of rdg + 7 dgts.
10A: 10mA resolution, ±3.0% of rdg + 7 dgts.
Overload Protection: 0.2A / 250V and 10A / 250V Fuse.
Frequency Range: 50 to 60 Hz.
Maximum Input: 200mA dc or 200mA ac rms on µA / mA ranges, 10A dc or ac rms on 10A range.

Resistance Accuracy:

200.0Ω: 0.1Ω resolution, ±1.2% of rdg + 4 dgts.
2.000KΩ: 1Ω resolution, ±1.0% of rdg + 2 dgts.
20.00KΩ: 10Ω resolution, ±1.2% of rdg + 2 dgts.
200.0KΩ: 100Ω resolution, ±1.2% of rdg + 2 dgts.
2.000MΩ: 1KΩ resolution, ±2.0% of rdg + 3 dgts.
20.00MΩ: 10KΩ resolution, ±2.0% of rdg + 3 dgts.
Input Protection: 250V.

Temperature Accuracy:

-50°C~+1000°C: 1°C resolution, ±3% of rdg +5dgts.
-58°F~+1832°F: 1°F resolution, ±3% of rdg +8dgts.
Sensor: Type K Thermocouple.
Overload Protection: 250V dc or ac rms.

Diode Test:

Test Current: 0.3mA typical.
Resolution: 1mV.
Accuracy: ±10% of rdg + 5 dgts.
Open Circuit Voltage: 1.5V dc typical.
Overload Protection: 250V dc or ac rms.

Audible Continuity:

Audible Threshold: Less than 100Ω.
Test Current: <0.3mA.
Overload Protection: 250V dc or ac rms.

Usage Features:

Function Switch: Used to select the desired measurement mode (V DC, V AC, mA DC/AC, A DC/AC, Resistance, Diode test, Continuity, Temperature). Always turn to OFF when not in use.
MODE Button: Toggles between Diode/Continuity, AC/DC for voltage and current, and °C/°F for temperature.
RANGE Button: Allows manual selection of measurement ranges. Press and hold for 2 seconds to return to AutoRanging mode.
DATA HOLD/BACKLIGHT CONTROL Button: "Freezes" the current display reading and controls the backlight. Press once to hold data, press again to release. Press and hold for 2 seconds to turn backlight ON/OFF.
MAX HOLD Button: Displays and continuously updates the maximum measured value. Press once to activate, press again to release.
Safety Precautions: The manual emphasizes critical safety information, including never grounding oneself during measurements, avoiding exceeding specified maximum inputs, and ensuring proper connection of test leads. Warnings are provided for high voltage circuits, current measurements on the 10A scale (limited to 30 seconds), and measuring AC/DC voltages when motors are switching ON/OFF.

Maintenance Features:

Fuse Replacement: Instructions are provided for replacing the 200mA (Ceramic 0.2A/250V fast blow 5mm x 20mm) and 10A (Ceramic 10A/250V fast blow 5mm x 20mm) fuses. Safety warnings are included regarding disconnecting test leads and ensuring the battery door is securely fastened.
Battery Installation & Replacement: Details on how to install and replace the 9V battery, including observing correct polarity and ensuring the battery door is secure. A "BAT" indicator on the LCD signals low battery.
Cleaning: The case should be periodically wiped with a dry cloth. Abrasives or solvents should not be used.
Servicing: Repairs or servicing not covered in the manual should only be performed by qualified personnel.
Limited Warranty: The meter comes with a 1-year warranty against defects in material and workmanship from the date of purchase, covering repair or replacement. The warranty does not cover fuses, disposable batteries, or damage from abuse, neglect, accident, unauthorized repair, alteration, contamination, or abnormal operating conditions.