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CHAPTER 4 Specication
Battery Pack B-569 (Option)
Item Description
Capacity 7.2V/290 0mAh
Battery type Lithium secondary battery
Running time Up to two packs can be mounted
<When LCD is ON>
Battery pack x 1 (brightness MAX): approx. 3 hours
Battery pack x 2 (brightness MIN): approx. 6 hours
<When LCD is OFF>
Battery pack x 1: approx. 5 hours
Battery pack x 2: approx. 10 hours
* 20 channel terminals, 1-sec sampling, capturing to internal memory (SD1), new
battery pack, and +25°C environment.
* The running time depends on the operating environment.
When the empty battery is charged in the GL220/820/900, the charging in about
80-90% will stop. Once disconnect and connect the AC adapter, or remove and
insert the battery pack. The battery pack charging is started in order to charge up
to 100%. (It depends on the remaining capacity.)
Charging method Mount in the main unit
Time required for charging Battery pack x 1: approx. 5 hours
Battery pack x 2: approx. 10 hours
Switchover in the event of a power
failure
Because the battery is used together with the AC adapter, the power supply will be
switched automatically to the battery in the event of a power failure.
* The AC adapter is the primary power source.
Operation environment Running on battery: 0 to 40°C, Battery being charged: 15 to 35°C
Other functions • When the battery is running low, le is closed automatically.
• Remaining amount indicator
Humidity Sensor B-530 (Option)
Item Description
Allowable temperature range
-
25
to +
80
°C
Allowable humidity range 0 to 100% RH
Relative humidity measurement
accuracy
±3% RH (5 to 98% RH at 25°C)
Method Capacitance method
Relative humidity measurement
accuracy
(5 to 98%)
Measurement environment Measurement accuracy
0 to 10℃ ±5% RH
10 to 20℃ ±4% RH
20 to 30℃ ±3% RH
30 to 40℃ ±4% RH
40 to 50℃ ±5% RH
50 to 60℃ ±6% RH
60 to 70℃ ±7% RH
70 to 80℃ ±8% RH
* Measurement accuracy at 60°C or more is a reference value.
Response time 15 sec. (90% response when membrane lter is installed)
Sensor output 0 to 1 VDC
External dimensions φ14 x 80 mm (excluding cable)
Cable length 3 m
Sensor power source +5 to +16 VDC
Power consumption approx. 4 mA
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