Fluke 2680A, Service Manual, Page: 24 / 254

268XA
Service Manual
1-8
2680A/2686A General Specifications
Table 1-1 provides the general specifications for the 2680A and 2686A devices.
Table 1-1. 268XA General Specifications
Specification Characteristic
Input Channel Capacity Maximum of 120 channels (Precision or Fast Analog Input) per
chassis
Optional DIO 20 digital input and outputs channels, 8 double pole-single throw
relay channels, a totalizer input, and a totalizer enable input.
Computed Channels 60
Size 473 mm (18.6 in) x 423 mm (17 in) x 237 mm (9.3 in)
Weight 2680A/2686A (empty) 8.5 kg (18.9 lb)
2680A – FAI 0.8 kg (1.8 lb)
2680A – PAI 1.2 kg (2.7 lb)
2680A – DIO 0.8 kg (1.8 lb)
Power 100 – 240 V ac (no switching required), 50 to 60 Hz, 100 VA
maximum or optional 9 V dc to 45 V dc, 35 W maximum
EMC EN50082-2
EN55022-1
EN55011 class A
EN610000-4-2,3,4,6,8
EN61326
Safety EN61010-1, CAT II (DIO is rated CAT I) CSA C22.2 No. 1010.1
Serial Interface Connector: 9 pin male (DB9)
Signals: Tx, Rx, DTR, RTS, GND
Modem Control: full duplex
Baud rates: 4800, 9600, 19200, 38400 (19,200 default)
Data format: 8 data bits, no parity, one stop bit
Flow Control: XON/XOFF
Echo: off
Common Mode Voltage Precision Analog Input: 150 (300 on channels 1 and 11) Fast
Analog Input: 50 V dc or 30 V ac rms
Operating Temperature Range -20
o
C to 60
o
C (-4
o
F to +140
o
F)
Storage Temperature Range -40
o
C to 70
o
C (-40
o
F to +158
o
F)
Relative Humidity 90% maximum for -10
o
C to 28
o
C (14
o
F to +82
o
F)
75% maximum for 28
o
C to 35
o
C (82
o
F to +95
o
F)
50% maximum for 35
o
C to 60
o
C (95
o
F to +140
o
F)
(3 M
Ω
range, reduce humidity rating by 25% for 1 hour warm-up.
3 M
Ω
range meets full humidity ratings with 2 hour warm-up)
Altitude Operating: 2,000 m (6,561 ft) maximum
Non-operating: 12,200 m (40,000 ft) maximum
Warm-up Time 1 hour to rated specifications -or- 15 minutes if relative humidity
(non-condensing) is 50% or less.