Max test current: 1.0mA in 100
Ω
rg; 0.1
mA in 1000
Ω
rg; 10µA in 10k
Ω
rg;
1.0µA in 100k
Ω
rg; 0.1µA other rgs.
Max test voltage: 100mV in 100
Ω
to
1000k
Ω
ranges; 1.0V in 10M
Ω
range;
2.0V in 20M
Ω
range.
Resolution, 0.01
Ω
in 100
Ω
range
Response time: <2s below 1M
Ω
; <3s
above 1M
Ω
Max open circuit volts: 6.5V
OL protection, all rgs: 500VDC/AC RMS
Diode/Continuity Test
Range: 2V
Resolution: 0.2mV
Test current, max: 1.0mA
Display: Forward Junction Voltage
Display response: <2s
Accuracy: ±(1.0%rdg +5dgt)
Open Circuit Voltage: 5.5Vdc
Continuity response time: <200ms
Continuity threshold: <200mV
Continuity indication: continuous tone at
R
≤
100
Ω
Open circuit indication: “OPEN”
Overload prot.: 500VDC or RMS AC
Capacitance
Ranges: 20, 200nF, 2, 20, 200µF; 2mF
Resolution: 100pF in 20nF range
Accuracy, 20, 200nF ranges: 2.0%rdg ±
3dgt; 2, 20µF ranges: 2.0%rdg ±2dgt;
200µF range: 3.0%rdg ±3dgt; 2mF
range: 3.0%rdg ±8dgt
Response time (after 1st update): <1s
below 20µF; <2s below 200µF; <25s to
2mF
Max open circuit votage: 6.5V
Over-range indication: “OL” in autorange
and in range-lock for a capacitor too
large or leads are shorted together;
“OPEN” in range-lock for a capacitor
that is less than 10% of full scale
(except the 20nF range, which shows
to zero)
OL Protection: 500VDC or RMS AC
Frequency Counter
Ranges: 19.999, 199.99kHz, 1.9999MHz
Resolution: 1.0Hz in 19.999kHz range
Accuracy, 19.999kHz rg: 0.2%rdg ±1dgt;
other ranges: 0.2%rdg ±2dgt
Sensitivity: 100mV in 19.999 and
199.99kHz ranges; 1.0V in 1.9999MHz
ranges
Response time: <1.5s
Input impedance: 51k
Ω
into diodes, AC
coupled
OL Protection: 300VDC or RMS AC
Bargraph display: not present
Duty Cycle
Frequency ranges: 40 to 1000Hz, 1k to
20kHz, 20 to 100kHz
Percent of range: 5 to 95%
Resolution: 0.1%
Accuracy,
40 to 1000Hz: 2.0% rdg ±1dgt
1k to 20kHz: 1.0% rdg ±1dgt
20 to 100kHz: 5.0%rdg ±1dgt
Response time: <1.5sec
Input impedance: 51k
Ω
into diodes, AC
coupled
Overload protection: 300VDC or AC RMS
Display bargraph: not present
Pulse Detector
Indication: positive transitions detected
emits a 50ms tone. Tone is continuous
if transition rate >20Hz.
Detector: AC coupled
Logic levels: TTL, CMOS
Threshold: 2.6V
Min pulse width: 50ns
Max pulse rise time: 10ns
Pulse repetition rate: 1MPPS
Input impedance: 10M
Ω
shunted by
150pF
Optional Accessories
RF241 650MHz RF Probe
DL243B Basic Test Lead Set
DL248B Deluxe Test Lead Set
TC 253 Temperature Converter
(900°C/1652°F)
TL245 Replacement Safety Test Leads
CT231 150A AC Current Clamp
CT232 1000A AC Current Clamp
CT234A 400A AC Current Clamp
CT235 1000A AC/DC Clamp
CT236 500A AC Clamp (mV output)
CT237 200A AC/DC Current Clamp
CT238 20A AC/DC Current Clamp
FPC850 KIT : Fiber Optic Loss Accessory
VC221 Padded Vinyl Case. Fits meter with
holster
VC231 Padded Vinyl Case. Fits meter
without holster.
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