Elma BM 251s-257s
side 31
General specifications
Display:
3-5/6 digits 6,000 counts
Update Rate:
5 per second nominal
24 Segments Bar graph:
40 per second max
Operating Temperature:
0
o
C to 40
o
C
Relative Humidity:
Maximum relative humidity 80% for temperature up to 31
o
C decreasing linearly to
50% relative humidity at 40
o
C
Altitude:
Operating below 2000m
Storage Temperature:
-20
o
C ~ 60
o
C, < 80% R.H. (with battery removed)
Temperature Coefficient:
Nominal 0.15 x (specified accuracy)/
o
C @ (0
o
C ~ 18
o
C or 28
o
C ~
40
o
C), or otherwise specified
Sensing:
BM251s: Average sensing
BM257s: True RMS sensing
Pollution Degree:
2
Safety:
Double insulation per IEC/UL/EN61010-1 Ed. 3.0, IEC/EN61010-2-030 Ed. 1.0, IEC/EN61010-2-
033 Ed. 1.0, IEC/UL/EN61010-031 Ed. 1.1 and CAN/CSA-C22.2 No. 61010-1-12 Ed. 3.0 to Category II
1000V, CAT III 600V and CAT IV 300V AC & DC
Transient Protection:
6.5kV (1.2/50
s surge)
Terminals (to COM) Measurement Category:
V / mA
A / A: Category II 1000V, CAT III 600V and CAT IV 300V AC & DC.
E.M.C. :
Meets EN61326-1:2006 (EN55022, EN61000-3-2, EN61000-3-3, EN61000-4-2, EN61000-4-3,
EN61000-4-4, , EN61000-4-5, EN61000-4-6, EN61000-4-8, EN61000-4-11)
In an RF field of 3V/m:
Capacitance function is not specified
Other function ranges:
Total Accuracy = Specified Ac 100 digits
Performance above 3V/m is not specified
Overload Protection:
A & mA:
0.4A/1000V DC/AC rms, IR 30kA @ 1000V DC/AC rms
A:
11A/1000V DC/AC rms, IR 20kA @ 1000V DC/AC rms
V & AutoCheck
TM
:
1100V DC/AC rms
mV, Ohm & others:
1000V DC/AC rms
Low Battery:
Below approx. 2.3V
Power Supply:
1.5V AAA Size battery X 2
Power Consumption (typical):
3.5mA
APO Consumption (typical):
10
A
APO Timing:
Idle for 34 minutes
Dimension:
161*80*50mm L*W*H (With Holster)
Weight:
Approx. 340 gm (With Holster)
Special Features:
AutoCheck
TM
V &
(BM257s only); Auto-ranging MAX/MIN Record (BM257s only);
Crest mode (Peak Hold, BM257s only), Backlighted LCD (BM257s only); Auto-ranging Relative Zero
mode; Display Hold; EF-Detection (NCV); Interface capabilities with PC computer; Input warning
detection
Accessories:
Test lead pair; batteries installed;
user’s manual; BKP60 banana plug type-K thermocouple
(BM257s only)
Optional purchase accessories:
USB interface kit BRUA-20X; Magnetic hanger BMH-01; BKB32
banana plug to type-K socket plug adaptor
Summary of Contents for 5706445410286
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