Model 787
Calibration Manual
8
DC Current Output
Source mode Span: 0 mA or 4 mA to 20 mA, with overrange to 24 mA
Accuracy: 0.05 % of span
Compliance voltage: 12 V with battery voltage >8.5 V
Simulate Mode Span: 0 mA or 4 mA to 20 mA, with overrange to 24 mA
Accuracy: 0.05 % of span
Loop voltage: 24 V nominal, 30 V maximum, 15 V minimum
Compliance voltage: 21 V for 24 V supply
Burden voltage: <3 V
General Specifications
Maximum voltage applied between
any jack and earth ground
1000 V
Storage temperature -40 °C to 60 °C
Operating temperature -20 °C to 55 °C
Operating altitude 2000 meters maximum
Temperature coefficient 0.05 x specified accuracy/ °C for temperatures <18 °C or >28 °C
Accuracy adders for use in RF
Fields
In an RF field of 3V/m, change the accuracy specifications as
follows:
For DC Millivolts Measrement, add 0.03% of range
For AC Volts Measurement, add 0.37% of range
For DC Current Measurement, 30.000 mA range, add
0.14% or range
For DC Current Output, add 0.02% of span
Accuracy for all meter functions is not specified in RF
fields > 3V/m.
Relative humidity 95 % up to 30 °C
75 % up to 40 °C
45 % up to 50 °C
35 % up to 55 °C
Water and dust protection Complies with IEC529 IP52 (normal operating vacuum used for
dust test)
Vibration Random 2 g, 5 to 500 Hz
Shock 1 meter drop test
Safety Complies with IEC1010-1, ANSI/ISA S82.01-1994, CAN/CSA
C22.2 No. 1010.1-92 Overvoltage Category III.
Certifications CSA, UL, TÜV.
Power requirements Single 9 V battery (ANSI/NEDA 1604A or IEC 6LR61)
Size 32 mm H x 87 mm W x 187 mm L
(1.25 in H x 3.41 in W x 7.35 in L)
Size with holster and Flex-Stand 52 mm H x 98 mm W x 201 mm L
(2.06 in H x 3.86 in W x 7.93 in L)
Weight 369 g (13 oz)
Weight with holster and Flex-Stand 638 g (22.5 oz)
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