Triplett True RMS Clamp Meter — 400A AC, 4000 Count LCD, Model# CM400

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- True RMS provides better accuracy when measuring non-sinusoidal or noisy waveforms
- Captures the instantaneous surge (inrush) current when power equipment is turned on
- 1.2" (30mm) clamp jaw opening
- Built-in Non-Contact Voltage Detector with LED
- Low Pass Filter (LPF) for filtering frequency and harmonic interference when measuring variable frequency drives
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Product Summary
What's Included
- (1) 400A AC True RMS Clamp Meter
Features + Benefits

- True RMS provides better accuracy when measuring non-sinusoidal or noisy waveforms
- Captures the instantaneous surge (inrush) current when power equipment is turned on
- 1.2" (30mm) clamp jaw opening
- Built-in Non-Contact Voltage Detector with LED
- Low Pass Filter (LPF) for filtering frequency and harmonic interference when measuring variable frequency drives
- Peak voltage measurement with Min/Max
- Data Hold freezes the display
- Relative Mode for making comparisons to a stored reference value
- Auto power off with disable
- Built-in Flashlight
- Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case
Key Specs
| Attribute | Specification |
|---|---|
item# | 5851736 |
Brand | Triplett |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 1.0 LB |
Functions (qty.) | 10 |
Jaw Capacity | 1.2 in |
Display Type | LCD |
Circuit or Voltage Tester | Voltage Tester |
Max. DC Volts | 1000 |
Max. AC Volts | 1000 |
Max. AC Amps | 400 |
Max. Resistance | 40 |
Battery Size | AAA |
Low Battery Indicator | Yes |
Battery Type | AAA |
Battery Included | Yes |
Capacitance Range | 100mF |
Frequency | 100kHz |
Accuracy | 0.025 |
| Attribute | Specification |
|---|---|
Measures | Measures AC/DC Voltage and AC Current |
Max. Temperature | 1,832 °F |
Case Included | Yes |
Senses | AC Voltage |
Common Usage | Measures AC/DC Voltage and AC Current |
Auto On/Off | Yes |
Water Resistant | No |
Power Source | Battery |
Live Circuit Detection | Yes |
Alert Priority | Visual |
UL Listed | Yes |
Calibration Certificate Included | No |
Max. Ohms | 40 |
Material | Plastic |
Application | Measure AC current to up 400A without breaking the circuit by clamping around a single conductor |
Includes | Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case |
Product Weight | 1.0000 lb |
Dimensions L x W x H (in.) | 4.75 x 2.4 x 12.4 in |
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Manufacturer's Warranty
1 year limited warranty
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Specifications
10
10
3
10
1.2 in
1.3 in
1 in
1.4 in
LCD
LCD
LCD
LCD
Voltage Tester
Voltage Tester
Voltage Tester
Voltage Tester
1000
1000
600
1000
1000
1000
600
1000
400
600
400
1,000
40
60
-
60
AAA
Other
AAA
Other
Yes
Yes
Yes
Yes
AAA
AAA
AAA
AAA
Yes
Yes
Yes
Yes
100mF
100mF
-
100mF
100kHz
100kHz
-
100kHz
0.025
0.025
0.025
0.028
Measures AC/DC Voltage and AC Current
Measures AC/DC Voltage and AC Current
Measures AC and DC Current
Measures AC/DC Voltage and AC Current
1,832 °F
1,832 °F
-
1,832 °F
Yes
Yes
No
Yes
AC Voltage
AC Voltage
AC Voltage
AC Voltage
Measures AC/DC Voltage and AC Current
Measures AC/DC Voltage and AC Current
Measure current
Measures AC/DC Voltage and AC Current
Yes
Yes
Yes
Yes
No
No
No
No
Battery
Battery
Battery
Battery
Yes
Yes
Yes
Yes
Visual
Visual
Visual
Visual
Yes
Yes
No
Yes
No
No
No
No
40
60
-
60
Plastic
Plastic
Plastic
Plastic
Measure AC current to up 400A without breaking the circuit by clamping around a single conductor
Measure AC current to up 600A without breaking the circuit by clamping around a single conductor
Measure AC and DC current to up 400A without breaking the circuit by clamping around a single conductor
Measure AC current to up 1000A without breaking the circuit by clamping around a single conductor
Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case
Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case
Includes 2 AAA batteries
Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case
1.0000 lb
1.3000 lb
2.1000 lb
1.2500 lb
4.75 x 2.4 x 12.4 in
4.75 x 2.4 x 11.0 in
14.17 x 2.76 x 9.06 in
11.0 x 5.0 x 3.0 in
-
-
400
-
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