Brymen BM252 - Page 15

14
CREST Mode (model 255 & 257 only)
Accuracy: Specified accuracy plus 150 digits for
changes > 5ms in duration
RECORD Mode (model 255 & 257 only)
Accuracy: Specified accuracy plus 100 digits
for changes > 100ms in duration
Audible Continuity Tester
Audible Threshold: Between 10 and 80
Response time: 32ms
Capacitance (model 252, 255 & 257 only)
RANGE
Accuracy
6
0.0
0
nF
, 6
00
.
0nF
2.0
%+5d
6.
000

F,
6
0
.
00

F
, 600.0

F
1
.
5
%+
5
d
3
000

F
2.0
%+5d
Accuracies with film capacitor or better
Diode Tester
RANGE
Accuracy
1.000V
1.0
%
+
3
d
Test Current: 0.56mA typically
Open Circuit Voltage: < 1.8VDC typically
DC Current
RANGE Accuracy
Burden
Voltage
6
00.0

A
0
.
5
%+
5
d
0.10 mV/uA
6000

A
0.5%+3d
60.00mA
0.5%+5d
1.7 mV/mA
600.0mA
0.5%+3d
6.
000A
1.2
%+
6
d
0.03V/A
8.00A
1)
1.8
%+6d
1)
8A continuous, >8A to 15A for 30 sec. max
with 5 minutes cool down interval
AC Current
RANGE Accuracy
Burden
Voltage
50H
Z
~
400
H
Z
6
00.0

A
, 6
000

A
1.0%+3d
0.10
mV/uA
6
0
.
00
m
A
, 600.0mA
1.7 mV/mA
6.
000A
1.2
%+
6
d
0.03V/A
8.00A
1)
1.8
%+6d
1)
8A continuous, >8A to 15A for 30 sec. max
with 5 minutes cool down interval
Temperature (model 252, 255 & 257 only)
RANGE
Accuracy
-
5
0
o
C
~
10
00
o
C
0.
3
%
+
3
d
-
58
o
F ~ 1832
o
F
0.
3
%
+
6
d
K type thermocouple range & accuracy not
included
Logic Level Hz (mV Function)
RANGE
Sensitivity
(
square wave
)
5
.00
Hz
~ 500.0 k
H
z
3 V
peak
5
.00
Hz
~ 1.000 M
Hz
5 V
peak
Accuracy: 0.03%+2d
Hz (Line) @ ACV, DCV, Current &
AutoCheck
TM
Function
Sensitivity
(Sine RMS)
Range
6
V
0.4
V
1
0Hz
-
10
kHz
60
V
4
V
1
0Hz
-
50
kHz
600
V
4
0V
1
0Hz
-
50
kHz
1000V
40
0V
45
Hz
-
1kHz
600

A
40

A
10
Hz
-
1
0kHz
6000

A
400

A
10
Hz
-
1
0kHz
60
mA
4mA
10
Hz
-
1
0kHz
600
mA
40
mA
10
Hz
-
1
0kHz
6
A
1A
10
Hz
-
1
kHz
10A
6A
10
Hz
-
1kHz
Accuracy: 0.03%+3d
Non-Contact EF-Detection
Typical Voltage
Bar
-
Graph
Indication
20V
(tolerance: 10V ~ 36V)
-
55V
(tolerance:
23
V ~ 83V)
-
-
110V
(tolerance:
59
V ~ 165V)
-
-
-
220V (tolerance:1
24
V ~ 330V)
-
-
-
-
440V
(tolerance:
250
V
& 1000V
)
-
-
-
-
-
Indication: Bar-graph segments & audible beep
tones proportional to the field strength
Detection Frequency: 50/60Hz
Detection Antenna: Top-right end of the meter
Probe-Contact EF-Detection: For more precise
indication of live wires, such as distinguishing
between live and ground connections, use the
Red (+) test probe for direct contact
measurements