1. Introduktion
The Mastech MS6300 is a versatile digital environment multimeter designed to measure various environmental parameters. This device combines the functions of a Sound Level Meter, Luminometer, Relative Humidity Meter, Temperature Meter, Anemometer, and Air Flow Meter into a single, portable unit. It is suitable for a wide range of applications, including environmental monitoring, industrial hygiene, and HVAC system analysis.
This manual provides detailed instructions for the safe and effective operation, maintenance, and troubleshooting of your MS6300 meter. Please read this manual thoroughly before use and keep it for future reference.
2. Sikkerhedsoplysninger
To ensure safe operation and service of the meter, follow these instructions:
- Read all safety information and operating instructions before using the meter.
- Do not operate the meter if it appears damaged or if the protective casing er kompromitteret.
- Keep the meter away from water, dust, and extreme temperatures.
- Do not attempt to repair or modify the meter. Refer servicing to qualified personnel.
- Remove batteries if the meter is not used for an extended period to prevent leakage.
- Bortskaf batterier korrekt i henhold til lokale regler.
Batterisikkerhed
- This device uses one 9V 6F22 battery (not included).
- Sørg for korrekt polaritet, når du installerer batterier.
- Bland ikke gamle og nye batterier eller forskellige typer batterier.
- Udsæt ikke batterier for kraftig varme eller ild.
3. Produktet er slutview
The Mastech MS6300 is designed for ease of use with a clear LCD dual display and intuitive controls. Below are the key components and their functions:

- Windproof Ball: Covers the microphone for sound level measurements.
- Afbryderen: Tænder/slukker enheden.
- Indstil knap: Used to select AVG/MAX/MIN/DIF (MAX-MIN) modes.
- Temperatur- og fugtighedssensor: Measures ambient temperature and relative humidity.
- Illumination Button: Activates the light sensor.
- Backlight Button (BL): Toggles the display backlight.
- Wind Speed and Air Volume Sensor: Measures air flow and wind speed.
- LCD-skærm: Shows measurement readings and unit indicators.
- UNIT knap: Changes measurement units (e.g., °C/°F, m/s/knots, LUX/FC, dB(A)/dB(C), CMM/CFM).
- HOLD knap: Fryser den aktuelle aflæsning på displayet.
- MODE knap: Cycles through different measurement functions (Sound Level, Luminometer, Humidity/Temperature, Anemometer, Air Flow).
- Stativmontering: Located at the bottom for stable placement.


4. Opsætning
4.1 Batteriinstallation
- Find batteridækslet på bagsiden af måleren.
- Brug en skruetrækker til at åbne batterirummet.
- Insert one 9V 6F22 battery, ensuring the correct polarity (+/-).
- Sæt batterirummets dæksel på igen og fastgør det med skruen.
Bemærk: Batterier er ikke inkluderet i produktet.
4.2 Indledende tænding
Tryk på MAGT button to turn on the meter. The LCD display will illuminate, and the meter will perform a self-test before entering the default measurement mode.

5. Betjeningsvejledning
5.1 Generel drift
- Tænd/sluk: Tryk på MAGT knap.
- Baggrundsbelysning: Tryk på BL button to turn the display backlight on or off.
- Data Hold: Tryk på HOLDE button to freeze the current reading. Press again to release.
- Valg af tilstand: Tryk på MODE button to cycle through the different measurement functions: Sound Level, Luminometer, Humidity/Temperature, Anemometer (Wind Speed), and Air Flow.
- Enhedsvalg: I hver tilstand skal du trykke på ENHED button to change the measurement units.
5.2 Sound Level Measurement
- Turn on the meter and select Sound Level mode using the MODE knap.
- Tryk på ENHED button to select between dB(A) or dB(C) weighting.
- Position the microphone towards the sound source.
- The sound level will be displayed on the LCD.
- Brug SÆT button to cycle through AVG (Average), MAX (Maximum), MIN (Minimum), and DIF (Difference between MAX and MIN) values.
5.3 Luminance Measurement (Luminometer)
- Turn on the meter and select Luminometer mode using the MODE knap.
- Tryk på ENHED button to select between LUX or FC (Foot-Candle) units.
- Ensure the light sensor (located near the microphone) is exposed to the light source.
- The illuminance value will be displayed.
- Brug SÆT button for AVG/MAX/MIN/DIF values.
5.4 Humidity and Temperature Measurement
- Turn on the meter and select Humidity/Temperature mode using the MODE knap.
- The relative humidity (%RH) and temperature will be displayed simultaneously.
- Tryk på ENHED button to switch between Celsius (°C) and Fahrenheit (°F) for temperature.
- Brug SÆT button for AVG/MAX/MIN/DIF values.
5.5 Anemometer (Wind Speed) Measurement
- Turn on the meter and select Anemometer mode using the MODE knap.
- Tryk på ENHED button to select desired wind speed units (m/s, ft/min, knots, km/h, mph).
- Position the wind speed sensor (fan) directly into the airflow.
- The wind speed will be displayed.
- Brug SÆT button for AVG/MAX/MIN/DIF values.
5.6 Air Flow Measurement
- Turn on the meter and select Air Flow mode using the MODE knap.
- Tryk på ENHED button to select between CMM (Cubic Meters per Minute) or CFM (Cubic Feet per Minute).
- Before measuring air flow, you must input the area of the duct or vent. The meter supports area range 0~999.9m² or 0~999.9ft². Refer to the full manual for detailed instructions on area input.
- Position the wind speed sensor into the airflow.
- The air flow rate will be displayed.
- Brug SÆT button for AVG/MAX/MIN/DIF values.
6. Funktioner
- Auto & Manual Ranging: The meter can automatically select the appropriate measurement range or allow manual selection for specific applications.
- Automatisk slukning (APO): To conserve battery life, the meter automatically turns off after a period of inactivity.
- AVG/MAX/MIN/DIF (MAX-MIN): Provides statistical analysis of measurements, showing average, maximum, minimum, and the difference between maximum and minimum readings.
- A / C Weighting Indication: For sound level measurements, allows selection between A-weighting (approximates human ear response) and C-weighting (flat response).
- Data Hold: Freezes the current reading on the display for easy recording.
- Displaybaggrundsbelysning: Illuminates the LCD for clear visibility in low-light conditions.
- Visning af lavt batteri: An indicator on the display warns when the battery level is low, prompting replacement.
7. Specifikationer
The following table details the technical specifications of the Mastech MS6300 Multifunctional Environment Meter:

| Parameter | Rækkevidde | Opløsning | Nøjagtighed |
|---|---|---|---|
| Temperatur | -10~60℃ 14~140℉ | 0.1 ℃ 0.1℉ | ±1.5 ℃ ±2.7℉ |
| Relativ luftfugtighed | 20%~80%RH <20%~80%RH | 0.1% RH 0.1% RH | ± 3.0% RH ± 5.0% RH |
| Lydniveau | 30~130 dB(A) 35~130dB(C) | 0.1dB 0.1dB | ±1.5dB ±1.5dB |
| Belysningsstyrke | 0~2000LUX X10 (20000) X100 (50000) | 1 LUX 10 LUX 100 LUX | ±(5.0 %+10) ±(5.0 %+10) ±(5.0 %+10) |
| Vindhastighed | 0.5 ~ 30m / s 1.8~72 km/t 96~3942 fod/min 0.9~38.9 knob | 0.1 m/s 0.1 km/t 1ft / min 0.1 knob | ±(3.0 %+10) ±(3.0 %+10) ±(3.0 %+10) ±(3.0 %+10) |
| Air Flow (CMM) | 0~999900CMM | 0.1CMM (<1000CMM) 1CMM (>1000CMM) | ±(3.0 %+10) |
| Luftstrøm (CFM) | 0 ~ 999900CFM | 0.1CFM (<1000CFM) 1CFM (>1000CFM) | ±(3.0 %+10) |
Generelle specifikationer:
- Strømforsyning: 1x 9V 6F22 batteri
- Produktstørrelse: 280mm x 89mm x 50mm / 11.0" x 3.5" x 2.0"
- Produktvægt: 433 g / 0.95 lb
- Certificeringer: CE, RoHS
8. Vedligeholdelse
- Rensning: Tør måleren af med en tør, blød klud. Brug ikke slibemidler eller opløsningsmidler.
- Opbevaring: Store the meter in a cool, dry place. If storing for an extended period, remove the battery.
- Sensorpleje:
- Keep the microphone (windproof ball) clean and free from debris.
- Sørg for, at lyssensoren ikke er blokeret.
- Keep the wind speed/air volume sensor (fan) clear of any foreign objects to ensure accurate readings.
- Avoid touching the temperature and humidity sensors directly.
- Udskiftning af batteri: Replace the 9V battery when the low battery indicator appears on the display.
9. Fejlfinding
- Måleren tænder ikke:
- Kontroller, om batteriet er installeret korrekt med den rigtige polaritet.
- Udskift 9V-batteriet med et nyt.
- Unøjagtige aflæsninger:
- Sørg for, at sensorerne er rene og uhindret.
- Verify the meter is in the correct measurement mode and units.
- Allow the meter to stabilize in the environment before taking readings, especially for temperature and humidity.
- For air flow, ensure the correct area has been input.
- Displayet er svagt eller flimrende:
- Udskift batteriet.
- Check if the backlight is activated; deactivate if not needed to save power.
10. Brugertips
- Stabile målinger: For best results, especially with wind speed and air flow, use the included tripod to keep the meter stable and ensure the sensor is directly facing the airflow.
- Environmental Acclimation: When moving the meter between environments with significant temperature or humidity differences, allow a few minutes for the sensors to acclimate to the new conditions before taking critical measurements.
- Regelmæssig rengøring: Periodically clean the wind speed sensor (fan) and light sensor to prevent dust and debris from affecting accuracy.
11. Garanti og support
The Mastech MS6300 Multifunctional Environment Meter is designed and manufactured to high-quality standards and is CE and RoHS certified. For any technical support or warranty inquiries, please refer to the contact information provided by your retailer or the official MasTech webwebsted.
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