Wavetek Meterman 235 Manuel D'utilisation page 38

4 - 400V rng @ 45-500Hz: ±(1.0% + 4)
40V rng @ 500Hz-5kHz: ±(2.0% + 5)
400V rng @ 500Hz-2kHz: ±(2.0% + 5)
750V rng @ 45-60Hz: ±(1.0% + 4)
750V Rng @ 60-500Hz: ±(2.0% + 5).
Resolution: 400mV Rng 100µV
Input Impedance: same as DC Vots
OL Protection: 1000VDC/750Vrms
Note: Backlight usage is not recommended Note:
Note: Note:
when measuring in the 400mVAC or 4VAC
ranges as it reduces reading accuracy.
DC Current DC Current
DC Current DC Current
Ranges: 400µ, 4, 40, 400mA, 10A
Accuracy:
400µA-400mA rngs ±(0.8%rdg + 2 dgt);
10A rng ±(2%rdg + 3 dgt)
Resolution: 100nA in 400µA range
Burden Voltage:
400µA rng: 500µV/µA; 4mA-400mA
rngs: 6mV/mA; 10A rng: 30mV/A
OL Protection: mA input - 0.5A/500V,
1.5kA IR fast blow ceramic fuse; 10A
input - 15A/600V, 100kA IR fast blow
melamine fuse
AC Current AC Current
AC Current AC Current
Ranges: 400µA, 4, 40, 400mA, 10A
Accuracy,
400µA-400mA rngs, 45Hz-500Hz:
±(1.2%rdg + 5 dgt),
400µA-400mA rngs, 500Hz-1kHz:
±(1.2%rdg + 7 dgt)
10A rng: ±(2.5%rdg + 7 dgt) 45 Hz - 1kHz
Resolution: 100nA in 400µA range
Burden Voltage: See DC Current
OL Protection: Same fusing as DC Current
Resistance Resistance
Resistance Resistance
Ranges: 400, 4, 40, 400k Ω , 4, 40M Ω
Accuracy: 400 Ω rng ±(0.8%rdg + 4 dgts),
4k-400k Ω rngs: ±(0.7%rdg + 2 dgts),
4 M Ω rng: ±(1.0%rdg + 4 dgts),
40M Ω rng: ±(2.0%rdg + 4 dgts)
Resolution: 100 Ω min 400 Ω rng
OL Protection: 500VDC or ACrms
Open Circuit Voltage (typical): -1.2VDC
in 400 Ω rng, -0.45VDC all other
ranges
Continuity Contin uity
Contin Contin uity uity
Audible Indication: 400 Ω range
Audible Threshold: < 40 Ω
Response Time: <100ms
Open Circuit Voltage (typical): -1.2VDC
OL Protection: 500VDC or VAC rms
Diode Test Diode Test
Diode Test Diode Test
Test Current: 1mADC typical
Test Voltage: 3.2VDC typical
Accuracy: ± (1.5% rdg + 2 dgt)
OL Protection: 500VDC or AC rms
Frequency Frequency
Frequency Frequency
Ranges: 4, 40, 400kHz, 4, 40MHz
Accuracy: ± (0.1 % rdg + 2 dgt)
Resolution: 1 Hz in 4kHz mg
Sensitivity: 4Hz-4MHz > 1 Vrms;
4-40MHz > 2.0Vrms < 5Vrms
Duty Cycle Limits: > 30% & < 70%
OL Protection: 500VDC or AC rms
Capacitance Capacitance
Capacitance Capacitance
Ranges: F2 blade jack 4, 40, 40nF; 4, 40 µ F
mA/F1-COM jack: 400, 4000 µ F, 40mF
Accuracy:
4n-4 µ F rngs: ± (2.0% rdg + 4 dgt)
40 -4000 µ F rngs: ± (3.0% rdg + 4 dgt)
40mF rng: ± (3.0% rdg + 15 dgt)
Resolution: 1 pF in 4nF rng
Test Frequencies/response times:
4n-40 µ F rngs: 1.3Hz / 2s
400 -4000 µ F rngs: 7.8Hz / 10s
40mF rng: 7.8Hz / 30s
OL Protection: 400 µ - 40mF rngs (mA/F1- COM
jacks) F0.1A / 250V fuse,size 5x20mm;
4n-40 µ F (F2 blade jack) N/A
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