3
SYMBOLOGY
Read Operator's Manual
Double insulation
Risk of electric shock
Indicates that this instrument can clamp
on bare conductors when measuring a
voltage corresponding to the applicable
measurement category, which is
marked next to this symbol.
Earth (Ground)
Danger, Warning, or Caution-
Consult the operator's manual for
additional safety information.
Battery compartment
C
US
UL Listing for Canada and U.S
Cat III
Classification of transient overvoltages,
based on nominal line voltage to earth.
Do not dispose of this product as
unsorted municipal waste.
FUNCTIONAL DESCRIPTION
1. Current sensing jaws
2. NCVD indicator
3. Jaw opening trigger
4. Rotary Dial
5. Display
6. Zero button
1
3
10
11
5
9
7
6
4
4
2
Cat. No.
2237-20
Cat. No.
2236-20
7. °F/°C button
(2236-20)
Hz button
(2237-20)
8. Terminal inputs
9. Min/Max button
10. Worklight LED
11. Hold button
8
FUNCTIONS
Dial Position
Range
Resolution
Accuracy
Voltage DC
60/600V
0.01V/0.1V
±1.0%rdg±3dgt
Voltage AC
0.0 to 600.0V
0.1V
±1.5%rdg±4dgt (50/60Hz)
±3.5%rdg±5dgt (40~400Hz)
Current AC
0 to 600.0A
Peak 1500A
CF=2.5@600A
CF=3.0@500A
0.1A
±2.0%rdg±5dgt(50/60Hz)
±3.5%rdg±5dgt(40 ~ 400Hz)
* Add 2% at CF>2
*
< 5A, add 3dgt
Current DC
(2237-20)
0-600.0A
0.1A
±1.5%rdg±5dgt
Resistance
600Ω/6kΩ
0.1Ω/0.001kΩ
±1.0%rdg±5dgt
Capacitance
0.01nF - 4000μF
Auto-ranging
0.01nF/0.1nF/
0.001μF/0.01μF/
0.1μF/1μF
0.01nF-39.99nF
±
2.5%
±
2nF
40.00nF-1000uF
±
2.5%
±
20dgt
1000uF>
±
5%
±
20dgt
Continuity
Cont Buzzer
0-600.0Ω
Buzzer sounds at 35Ω ±10Ω or 25Ω or
less
uA Current
DC uA
(2236-20)
0-600.0uA
0.1
uA
±1.5%rdg±5dgt
Temperature
(2236-20)
-40C - 400C
-40F - 32.0F
32.1F - 752F
0.1C
0.1F
±1.0%C ±2.0C
-40.0F to 20.0F;
±
1.5%F
±
4F
20.1F to 752F;
±
1.5%F
±
2F
Hz
Hertz (2237-20) ACA: 40-400Hz,
ACV: 1Hz-10kHz
0.001/0.01/0.1Hz
0.001/0.01kHz
ACA: 40-400Hz
±
0.5%rdg
±
5dgt
ACV:1Hz-10kHz ±0.5%rdg±5dgt
* Minimum Measurable inputs are: 70
Vrms for VAC or 50 Arms for ACA
* These instruments are True-RMS sensing. All voltage and current readings are True-RMS values.
