| Content | Digital Sound 8928 SPL Meter with Built-In Measurement Mic - calibrated from 300Hz to 8kHz (+/-2dB), 4 control zones in 10dB steps (40-130dB), large LCD display, peak-hold, fast/slow display modes, includes 9V battery.
A superbly designed easy to use sound level meter with features normally only found on more expensive instruments. It has an electret condenser microphone giving virtually instant readings updated every 0.5 seconds on an extra large LCD display.
- 4 measuring ranges, 40 to 70dB, 60 to 90dB, 80 to 110dB or 100 to 130dB
- 0.1dB resolution updated every 0.5 seconds
- Auto ranging or manual range selection
- ʽAʼ & ʽCʼ frequency weighting
- Fast or slow response filters
- 42mm LCD display with quasi-analogue bargraph and function Indicators
- Bargraph in 1dB steps updated every 40ms
- Max hold function to display the highest recorded value
- Min/max memory since power on or last reset
- Low battery indicator
- Auto power off
- Analogue output AC: 0.707 Vrms (at full scale)
- Supplied with battery
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- Measures impedance of speaker lines up to 100k ohms
- Batteries: four (AA)
- Zero adjustment for accuracy on all ranges
- Easy to read meter calibrates directly in ohms
- Includes carrying case, test leads and impedance to power reference chart
- Five year warranty
| Overview:
This is an infrared digital forehead thermometer with high precision, which is hand-held and portable for easy use. Non-contact design reduces cross infection effectively, widely used for measuring body temperature.
Features:
High precision infrared sensor, stable and reliable, for safe use, ensures accurate measuring, small error.
Alarm temperature can be set and once exceeded, it will give out a beep sound. Also, it supports the Mute mode.
Humanized design, LCD screen display with high brightness backlight can clearly show the body temperature.
Aim at the forehead (3-5cm), press the measuring button, and the LCD display will show the currently measured temperature.
Automatic store 32 sets of measurement data, you can view the data of the previous measurement.
Short press the Function Setting button to switch between Body and Object temperature modes.
Compact design, lightweight and portable, comfortable grip handle, easy to carry, convenient to use.
Suitable for baby, kids, and adult use and can be widely used in school, office, and at home, etc.
Note: The battery is not included.
Specification:
Model: ZK-YK1028
Measuring Method: Non-Contact
Measuring Distance: 3cm-5cm
Unit of Measurement: Celsius(℃), Fahrenheit(°F)
Measuring Range: 32℃-42.9℃ (89.6°F-109.2°F)
Max. Allowable Error: ±0.3℃ within range 35℃-42℃
Display Resolution: 0.1℃/0.1°F
Operating Environment: 16℃-35℃ (60.8°F-95°F), Humidity≤85%
Transportation Storage Environment: -20℃-50℃ (-4°F-131°F), Humidity ≤90%
Power: DC 3V (2 AAA Batteries Not Included)
Backlight: Highlight Backlight
Automatic Shut-down: 30s
Item Size: 15.0 * 8.5 * 4.3cm / 5.90 * 3.34 * 1.69in
Item Weight: 105g / 3.70oz
Package Size: 17.0 * 10.5 * 4.8cm / 6.69 * 4.13 * 1.89in
Package Weight: 156g / 5.50oz
Package List:
1 * Thermometer
1 * User Manual (English)
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The tester allows to makea fast test connection for many type of audio and
lighting cable, checking up to 7 connections (Neutrik? , Speakon?, XL3,
XLR5, DIN RCA, Jack and BNC). Two rows of LEDs will light up to indicate
which pin is connected correctly. a red lit LED and beep indicate short-circuited
connection
Specifications:
Battery: PP3 9V(not included) Accessory: Short Tester pinx2(included)
Net Weight: 0.71Kg Dimensions: 178x121x44mm | RS232 Digital Sound Level Meter 8921/8922
- Deluxe super large LCD display w/ affordable price
- Meet IEC60651, type2 class standard
- Unique background noise absorber
- Features w/digital display and analog bar graph
- Professional and rigid design
- Auto / manual ranging ,6 measurement ranges in 10 steps
- Max hold
- Record max / min
- Fast / Slow response mode is selectable
- A /C weighting is selectable
- Easy to calibrate by standard calibrator
- AC/DC analog output
- Tripod mountable
- Backlight function to use in dark area (8922only)
SPECIFICATIONS
Measure range A weight: 30dB~130dB
C weight: 35dB~130dB
Digital display (6 ranges) 30~80, 40~90, 50~100, 60~110, 70-120, 80-130dB
Digital display resolution 0.1dB
Digital updating time 160mS
Quasi-analog bar (6 ranges) 30~80, 40~90, 50~100, 60~110, 70-120, 80-130dB
Quasi-analog bar resolution 1dB
Bar updating time 40mS
Accuracy at 94dB, 1KHz +/-1.5dB
Analog output Microphone AC 0.707Vrms(at full scale); DC 10mV/dB
Dia.6mm electric condenser microphone
Frequency range 31.5Hz~8KHz
Battery life time 30 hours typical
Windscreen LCD YES
size (mm) 42(H)x62(W)
Operating temp. 0~50oC
Operating RH% Humidity
Storage temp. -20~50oC
Storage RH% Humidity
Dimension(mm) Weight 254x77x37
Battery 9V battery x 1pc or 9VDC adaptor
Standard Package Meter/Battery/Manual/carry case
Optional Accessory Computer connection software kit
- DIGITAL DISPLAY WITH ANALOG GRAPH!
- BACKGROUND NOISE ABSORBER !
- BACKLIGHT FOR DARK AREA OPERATION!
- MAX / MIN RECORD, MAX HOLD !
- RS232 INTERFACE !
- MEETS IEC 651, TYPE 2 CLASS !
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Minirator MR1 is the powerful analog audio generator providing a comprehensive
set of analog audio test signals required in a professional audio environment.
This handy audio generator enables you to stimulate any analog device with a
broad range of appropriate signals like sine wave, pink noise, white noise,
sweeps and many others, for performance checking, maintenance and repairs.
Convenient, reliable and optimized - Minirator fits into your pocket as well as in
your budget.
Product-details
Signals:
? Sine Wave
? Square Wave
? Frequency Sweep
? White Noise
? Pink Noise
? Polarity Test Signal
Features:
? 20Hz to 20kHz, adjustable
in 1/3rd octave steps
? Level adjustable
? Low distortion
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