Greenlee IPM-400, Инструкция по эксплуатации

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IPM-400
43
Specifications (cont’d)
AC Volts – Measure
Ranges: 0.0 V to 250.0 V true RMS
Accuracy: From 10 VAC to 250 VAC
±
5.1 VAC
Maximum Crest Factor: < 3
Frequency Range: 45 Hz to 800 Hz
Thermocouples – Source and Read
Ranges:
Type J: –200
°
C to 1200
°
C (–328
°
F to 2192
°
F)
Type K: –200
°
C to 1372
°
C (–328
°
F to 2500
°
F)
Type T: –200
°
C to 400
°
C (–328
°
F to 752
°
F)
Type E: –200
°
C to 1000
°
C (–328
°
F to 1832
°
F)
Type N: –200
°
C to 1300
°
C (–328
°
F to 2372
°
F)
Type R: 300
°
C to 1768
°
C (572
°
F to 3214
°
F)
Type S: 300
°
C to 1768
°
C (572
°
F to 3214
°
F)
Accuracy: See Thermocouple Accuracy table
Cold Junction Accuracy:
±
1
°
C
Cold Junction Effect: Within 0.05
°
C per
°
C change
Output Impedance: < 0.3
Ω
(Source mode)
Source Current: > 10 mA, max. (Source mode)
Input Impedance: > 1 M
Ω
(Read mode)
Open Thermocouple Detection: 450 millisecond pulse; nominal threshold,
10 K
Ω
(Read mode)
RTD – Source and Read
RTD Types:
Pt: 100
Ω
for 1.3850 (DIN/IEC 751 and new JIS), 1.3902 (Burns), 1.3926 (US Lab), and
1.3916 (Old JIS 1604C-1981)
Ni: 120
Ω
Cu: 50
Ω
, 10
Ω
Range and Accuracy (RTD): See the RTD Accuracy table
Temperature Effect:
±
[(0.035 mV/
°
C)*(1/mA excitation current)]
Allowable Excitation Current: 0.125 mA to 2.0 mA continuous DC (Source mode)
Excitation Current Supplied: 1 mA nominal (Read mode)