Martel Electronics 3001 - Manual (Page 85)

12.4 DC Current Specifications, Output
Absolute Uncertainty,
tcal ±5 °C ± (ppm of output +µA) Maximum Maximum
Compliance Inductive
Ranges 1 90 days 1 year Resolution Voltage Load
0 to 100.000 mA 40 1 50 1 1 µA 12 V 100 mH
1. All outputs are positive only.
Noise
Bandwidth Bandwidth
Ranges
0.1 to 10 Hz p-p
10 Hz to 10 kHz rms µV
0 to 100.000 mA 2000 nA 20 µA
12.5 DC Current Specifications, Isolated Input
Absolute Uncertainty,
Ranges tcal ±5 °C, ± (ppm of reading + µA) Resolution
0 to 50.0000 mA 100 1 0.1 µA
1. Loop power: 24V ±10%
2. HART resistor: 250
Ω ±3%
3. Maximum rated loop current: 24mA
12.6 Resistance Specifications, Output
Absolute Uncertainty,
tcal ±5 °C, ± ohms
Ranges 1 90 days 1 year Resolution Nominal Current 1
5 to 400.000 Ω 0.012 0.015 0.001 Ω 1 to 3 mA
5 to 4.00000 k
Ω
0.25 0.3 0.01
Ω
100 µA to 1 mA
1. For currents lower than shown, the specification becomes:
New Spec. = Stated Spec. x Imin / Iactual.
For example, a 500 µA stimulus measuring 100 Ω has a specification of:
0.015
Ω x 1 mA / 500 µA = 0.03 Ω.
12.7 Resistance Specifications, Input
Absolute Uncertainty,
tcal ±5 °C ± (ppm of reading +
Ω)
Ranges 90 days 1 year Resolution Stimulus Current
0 to 400.000 Ω ±20ppm + 0.0035 Ω ±20ppm + 0.004 Ω 0.001 Ω 1 mA
0 to 4.00000 k
Ω
±20ppm + 0.035
Ω ±20ppm + 0.04 Ω
0.01
Ω
0.1 mA
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