Auto / Man Ranging; Min/Max; Auto-Power Off; Zero - Fluke 941 User Manual

AUTO / MAN Ranging

Press the AUTO or MANual ranging button for useable reading. AUTO
ranging is the default operation.

MIN/MAX

Pressing the MIN/MAX button for less than 1 second will put the meter into
a mode of displaying the maximum, minimum, or actual readings. Each time
the MIN/MAX button is pressed, the meter will cycle from MAX  MIN  off.
Select the proper measurement range before enabling the MIN/MAX feature.

Auto-Power Off

In order to save battery life, your light meter powers down automatically
after approximately 6 minutes of inactivity. You can turn it back on by
pressing the � button. You can disable Auto Power Off by pressing and
holding the HOLD button while turning the meter ON.

Zero

The light sensor will change the null point over time. To reset the null point,
cover the sensor, press the ZERO button. The display will show "ADJ". When
the null reset is done, the display will read '00.0'.

sPECIFICATIONs

general:
Sampling Rate:
Display:
Sensor:
Environment:
Altitude:
Temperature / Humidity:
Operating:
Storage:
Power Supply:
Battery life:
Auto Power Off:
Dimension (Base):
Dimension (Sensor):
Weight:
2.5 times per second for digital display.
3½ digit, 1999 count LCD
Silicon photodiode and filter.
Indoor operation
Up to 2000m.
-10°C to 50°C, 0 to 80% RH.
-10°C to 50°C, 0 to 70% RH.
9V NEDA 1604, IEC 6LR61
200 hours
approx 6 min
130 x 63 x 38 mm (5.1 x 2.5 x 1.5")
80 x 55 x 29 mm (3.2 x 2.2 x 1.1")
220 g (.48 lb.) include battery
6