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Operating Instructions Teledyne API - Model T200H/T200M Operation Manual
154
If a current meter is not available, an alternative method for calibrating the current loop
outputs is to connect a 250 1% resistor across the current loop output. Using a
voltmeter, connected across the resistor, follow the procedure above but adjust the
output to the following values:
V
+DC Gnd
Recording
Device
V IN +
V IN -
ANALYZER
V OUT +
V OUT -
250 O
Volt
Meter
Figure 4-13: Alternative Setup for Calibrating Current Outputs
Table 4-25: Current Loop Output Calibration with Resistor
FULL SCALE
VOLTAGE FOR 2-20 MA
(measured across 250Ω resistor)
VOLTAGE FOR 4-20 MA
(measured across 250Ω resistor)
0% 0.5 V 1.0 V
100% 5.0 V 5.0 V
07270B DCN6512