Servomex NanoTrace DF-745SG, Operator'S Manual

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Specifications DF-745SG 9
3 Specifications
3.1 Moisture
Lowest Detection Level (LDL): 100 ppb @ Constant Conditions
Resolution: Analytical (Smallest Detectable Change): 10 ppb
Display: 0.1 ppb
Accuracy: Greater of:
0-20 ppm range: ±5% of reading or ±25 ppb @ Constant Conditions
21-100 ppm range: ±10% of reading or ±100 ppb @ Constant Conditions
Speed of Response: Typically less than 3 minutes to reach 90 percent of an
upward step change
Upset Recovery Time: Typically less than 5 minutes from a high ppb upset to
within 10 ppb of the previously stable reading.
Range: 0-100 ppm
Background Gas Compatibility: All inert and passive gases including N
2
, H
2
,
He, Ar, O
2,
CO, CO
2
, SF
6
, Xe, Ne, Kr
,
N
2
O
3.2 General
Warranty: One year from ship date on the entire instrument. See Warranty
section on page 75.
Power Requirements: 100 to 120 VAC, 50/60 Hz, standard, 5 Amps
200 to 240 VAC, 50/60 Hz (optional), 2.5 Amps
Display: 7.4 inch VGA Color (640X480)
Ambient Operating Temperature: 10° C to 40° C (50° F to 105° F)
Output Signals:
Analog Output: User Scalable: 0-1 ppm to 0-100 ppm Moisture
0-1, 0-2, 0-5, or 0-10 VDC (minimum load resistance 1K)
Isolated 4-20 mADC, 1K ohm loop resistance max (28V Compliance voltage
provided)
Digital Communications: Two-way RS-232 or RS-485 set at the time of
order
Operating Inlet Pressure: 5 to 30 psig (0.3 to 2 bar)
Flow Rate: 0.5 – 4.0 slpm N
2