Environmental:Martindale AV900 pages

AV90
anemometer
SPECIFICATIONS
AIR VELOCITY
Mounting Nut: 1/4" x 20
Operating Temperature:
Meter: 0°C to 50°C (32F to 122°F)
Vane: 0°C to 60°C (32F to 140°F)

WIND VELOCITY
Units

Resolution Threshold

Range

m/s

0.01

0.3

0.0-30.0

ft/min

1

60

0.0-5900

knots

0.1

0.6

0.0-58.0

mph

0.1

0.7

0.0-67.0

Km/h

0.1

1.1

0.0-108.0

Accuracy: ±3%FS

TEMPERATURE
Temperature Scale: Celsius or Fahrenheit user selectable
Temperature Sensor: NTC
Measurement Range: -20°C to 60°C / -4°F to 140°F
Measurement rate: 1 times per second.
This meter displays temperature (°C or °F) and airflow at
the same time. Maximum and minimum figures for flow

Resolution: 0.1°C
±1.0°C

on -20°C to 0°C, 45°C to 60°C

measurements, up to 8 readings can be taken and

±0.5°C

on 0°C to 45°C

automatically averaged.

±2.0°F

on 4°F to 32°F, 113°F to 140°

±1.0°F

on 32°F to 113°F

and temperature can be shown. For more accurate

Accuracy:

In addition, measurements can be taken over either 2 or
16 seconds with the average of 2 or 16 readings being
displayed.
Airflow measurement can be displayed as:
metres/second, feet/minute, knots, mph, kph.
x

Simultaneous display of both temperature and air
speed.

x

Low battery indication
Accuracy: Stated accuracy at 23°C ± 5°C, <80% relative
humidity
Operating environment: 0°C to 50°C at <75% relative
humidity
Storage environment: -20°C to 55°C at <80% relative
humidity

Memory of maximum, minimum and average record
for both temperature and wind speed.

Battery: Standard 9V battery (PP3, NEDA 1604, IEC 6F22
006P)

x

Air velocity average for multiple points.

x

Auto power off function.

Battery Life: 200 hours typical with carbon zinc battery

x

2 meter coiled cable and mounting nut for long

Dimensions: 770(H) x 65.5(W) x 35mm(D)

extension.

Weight: 390g including battery and probe

Due to policy of continuous development, Martindale Electric reserves the right to alter equipment specification and description outlined in this document without prior notice. No part of
this document shall be deemed to be part of any contract for the equipment unless specifically referred to as an inclusion within such contract.
© Martindale Electric Co. Ltd. 2004

Martindale Electric Company Ltd.
Metrohm House, Penfold Trading Estate, Imperial Way, Watford, WD24 4YY. Tel: 01923 441717 Fax: 01923 446900
E-mail: sales@martindale-electric.co.uk Web site: http://www.martindale-electric.co.uk