270-5 VOM
Extra-High Accuracy VOM
Higher accuracy specifications for those more critical measurements are found in
the Model 270-5. It has a better than 30% improvement in voltage and resistance
accuracy as a full-function/range member of the Simpson 260 type VOM group.
•
•
•
•
•
DCV Accuracy 1.25% of Full Scale
ACV Accuracy 2% of Full Scale
Resistance Accuracy 1.0 of Arc
Diode Protected Self-Shielded Movement
Includes Batteries and Probe Leads With Alligator Clips
Specifications
DC VOLTAGE
Ranges
Accuracy*
Voltage Drop (Nominal)
20K
per volt
250mV, 1V, 2.5V, 10V, 50V, 1.25% of full scale @ 77 F
250V, 500V, 1000V
1.75% of full scale @ 67 F - 87 F
Specifications (Continued)
BATTERIES:
1.5V D, 9V (NEDA No. 13F,1604A)
SIZE:
7”(H) x 5.5”(W) 3.1”(D) (18x14x8cm)
WEIGHT:
Approximately 3LBS. (1.4Kg)
FUSE:
F1 1A, 250V, type 3AG, quick acting Littelfuse
®
Type 312001; F2 2A,
600 Littelfuse
®
Type BLS or 2A 600V, Bussman
®
Type BBS.
CIRCUIT TO GROUND VOLTAGE:
1000V AC/DC Max
Specifications subject to change without notice.
AC VOLTAGE
Ranges
Accuracy*
Voltage Drop (Nominal)
5K
per volt
2.5V, 10V, 50V, 250V, 500V, 2% of full scale @ 77 F
1000V
3% of full scale @67 F -87 F
“GRAB N GO”
PADDED NYLON CASES
Padded Nylon “Grab N Go” made of tough
durable nylon enables VOM to be stored for quick
field use... test leads remain in panel jacks. Thick
padding protects your meter. Available in Yellow
(00832) and Black (00834).
DECIBEL:
4 Ranges- -20 To +50dB
DC CURRENT
Ranges
50µA, 1mA,
10mA,
100mA,
500mA, 10A
Reference- 0dB=1mW Into 600
Accuracy*
0.75% full scale on 50 A @ 77 F
1.25% full scale of all others @ 77 F
1.25% full scale on 50 A @ 67 F - 87 F
1.75% full scale of all others @ 67 F - 87 F
Voltage Drop (Nominal)
250mV on 50 A and 1mA
255mV on 10mA and 10A
300mV on 100mA
500mV on 500mA
ROLL TOP CASES
Roll-top case made of a durable composite
material protects meter during transit/storage.
Cover rolls back into case for use. Special storage
compartment for test leads under meter.
RESISTANCE
Ranges
Rx 1
Rx 100
Rx 10K
Accuracy*
1.5 of arc on Rx1
1 of arc on all others
Max. Indication
0-2K
0-200K
0-20M
*Accuracies specified are for the 270-5 in a horizontal position.
Ordering Information
VOMS
Catalog No.
270-5, High Accuracy
12226
270-5RT, High Accuracy, w/ Roll-Top Case 12227
ACCESSORIES
Probe Set, Threaded w/Clips
Alligator Clips, Screw On
150-2 Amp Clamp Adapter, AC
Catalog No.
00043
00425
00545
ACCESSORIES
Case, Molded Plastic
Case, Yellow Padded Nylon
Case, Black Padded Nylon
Case, Hard Leatherette Front Load
Case, Roll-top
Additional accessories on pages 22-24.
Catalog No.
45028
00832
00834
00805
00248
微控制器 MCU
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