3B Scientific - Biology Catalog

Measuring Instruments
Time / Sound
118
9982-1002779
9982-1002809
9982-1002780
9982-1003009
Table-Top Stop-Clock
Large quartz-controlled stop-clock with start stop and reset buttons, cumulative
time and lap-time settings (clock resets to zero and starts timing
again immediately). 2 hands, dial with dual scale for minutes /seconds and
hundredths of a minute.
Measuring range: 60 min / 60 s
Graduations:
1 s / 1/100 min
Dial:
110 mm dia.
Dimensions: approx. 175x130x95 mm 3
9982-1002809
Digital Luxmeter
Extremely reasonably priced, easy to use pocket luxmeter for testing
and measurement of light conditions. C.I.E. standard spectrum.
Including light sensor, pouch and battery
Measuring ranges: 200 − 50000 lux, 4 ranges, ±5%
Operating voltage: Battery
Dimensions:
approx. 65x115x25 mm³
Weight:
approx. 160 g
9982-1002779
3B Scientific® Biology
9982-1002811
Digital Stopwatch
Stopwatch with 7-digit LCD display in robust plastic casing with start/stop
and split/reset buttons for starting and stopping, cumulative, lap-time and
dual-time measurement. Includes pendant cord.
Measuring range: 9 h, 59 min, 59 s, 99/100 s
Accuracy:
1/100 s
Battery: watch battery 1.55 V, Type 389
Dimensions: approx. 65x65x18 mm 3
9982-1002811
Timer
Stopwatch for counting up or down with acoustic alarm. Magnetic holder
for attachment to metal surfaces and fold-away support legs.
Display:
4-digit display, LCD, 18 mm
Timer range:
99 min 59 s
Ticking rate:
1 s
Dimensions: ca. 60x60x20 mm 3
9982-1003009
Noise Level Meter P8005
Digital noise level meter with circuit for suppressing background noise
for measuring all types of sound levels in the environment, including noise
levels in schools, offices, factories, traffic noise, household noise or for
noise reduction projects. Allows for manual or automatic selection of
levels and measurements of minimum and maximum levels. Thanks to its
built in USB port, the supplied 9 V mains adapter and stand, it is also suitable
for permanent or long term measurement. Includes case, USB cable,
Windows software, stand, 9 V mains adapter, 9 V battery and instruction
manual.
Digital display: 4 digit LCD
Height of digits: 20 mm
Multi-functions display: 58x44 mm²
Digital display of measurement, measuring
time, bar graphs plus overs and unders
Background lighting: blue
Applicable standards: IEC-61672-1 type 2,
ANSI S1.4 type 2
Frequency range: 31.5 Hz − 8 kHz
Dynamic range: 50 dB
Level ranges:
30 − 80 dB (low)
50 − 100 dB (medium)
80 − 130 dB (high)
30 − 130 dB (automatic)
Resolution:
0.1 dB
Precision:
±1.4 dB
Response times: 125 ms (fast),
1s (slow)
Microphone:
½-inch, with electret capacitor
Display update: Twice a second
Analogue output: AC/DC
Operating voltage: 9 V battery or 9 V mains adapter
Dimensions:
90x280x50 mm³ approx.
Weight:
350 g approx.
9982-1002780