HTC Instruments 21S Smart AC/DC Clamp Meter
- Brand
- HTC Instruments
- Model number
- 21S
- Category
- AC/DC Clamp Meters
Smart true RMS AC/DC clamp meter, 600 A, with colour display, 5,999 counts, auto mode, NCV, live-wire detection, capacitance, frequency/duty cycle and temperature. CAT III 600 V.
Price and availability on request
Key features
- 3¾ digits, 5,999 counts
- True RMS
- AC and DC current to 600 A
- Colour display
- Smart auto mode
- Data hold and min / max
- Duty cycle
- Non-contact voltage (NCV) and live wire detection
- Temperature with TP04 thermocouple
- Torch and backlight
- Auto power off
- Jaw size 36 mm
Specifications
| Ranges (resolution) | 60 A (0.01 A), 600 A (0.1 A) |
|---|---|
| Accuracy | ±(2.5% of reading + 5) |
| Ranges (resolution) | 60 A (0.01 A), 600 A (0.1 A) |
|---|---|
| Accuracy | 60 A: ±(2.5% of reading + 5); 600 A: ±(3.0% of reading + 10) |
| Ranges (resolution) | 600 mV (0.1 mV), 6 V (0.001 V), 60 V (0.01 V), 600 V (0.1 V) |
|---|---|
| Accuracy | ±(0.5% of reading + 5) |
| Ranges (resolution) | 600 mV (0.1 mV), 6 V (0.001 V), 60 V (0.01 V), 600 V (0.1 V) |
|---|---|
| Accuracy | ±(0.8% of reading + 5) |
| Ranges (resolution) | 600 Ω (0.1 Ω), 6 kΩ (0.001 kΩ), 60 kΩ (0.01 kΩ), 600 kΩ (0.1 kΩ), 6 MΩ (0.001 MΩ), 60 MΩ (0.01 MΩ) |
|---|---|
| Accuracy | ±(1.0% of reading + 5) |
| Ranges (resolution) | 6 nF (0.001 nF), 60 nF (0.01 nF), 600 nF (0.1 nF), 6 µF (0.001 µF), 60 µF (0.01 µF), 600 µF (0.1 µF), 6 mF (0.001 mF), 60 mF (0.01 mF) |
|---|---|
| Accuracy | ±(4.0% of reading + 5) |
| Frequency ranges (resolution) | 100 Hz (0.01 Hz), 1000 Hz (0.1 Hz), 10 kHz (0.001 kHz), 100 kHz (0.01 kHz), 1000 kHz (0.1 kHz), 10 MHz (0.001 MHz) |
|---|---|
| Frequency accuracy | 100 Hz – 1000 kHz: ±(1.0% of reading + 3); 10 MHz: ±(3.0% of reading + 3) |
| Duty cycle | 1 – 99% (0.1%), ±(3.0% of reading + 3) |
| Accuracy (°C, resolution 1 °C) | −40 to 10 °C: ±3 °C; 10 to 100 °C: ±2 °C; 100 to 1000 °C: ±2.0% |
|---|---|
| Accuracy (°F, resolution 1 °F) | −40 to 50 °F: ±6 °F; 50 to 212 °F: ±4 °F; 212 to 1832 °F: ±2.0% |
| Sensor | TP04 thermocouple probe |
| Diode | Displays approximate forward voltage; reverse DC voltage approx. 3 V; overload protection 250 V |
|---|---|
| Continuity | Buzzer sounds and green LED lights below 50 Ω; test voltage approx. 1 V; overload protection 250 V |
| Jaw size | 36 mm |
|---|---|
| Safety category | CAT III 600 V |
| Power | 3 × 1.5 V AAA |
| Dimensions | H 197 × W 73 × D 34 mm |
| Weight | Approx. 206 g |
| Accessories | Test leads, user manual, TP04 thermocouple probe, carry case and batteries |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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