TENMARS TM-87 Specifications:
| Overvoltage Category | CAT IV 600V, CAT III 1000V |
| True Rms | Yes |
| LCD Display | 3999 counts |
| Sampling Rate | 2.5 times/second |
| Backlit | Yes |
| Bargraph | Yes |
| Auto Power Off | Yes |
| DC Voltage | 0.1mV to 1000V ±(0.5% of rdg + 2 dgts) |
| AC Voltage | 0.001V to 1000V ±(1.3% of rdg + 5 dgt) |
| DC Current | 0.1µA to 10A ±(1.0% of rdg + 3 dgt) |
| AC Current | 0.1µA to 10A ±(1.5% of rdg + 5 dgt) |
| Resistance/Accuracy | 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ; ±(1.0% of rdg + 2 dgt) |
| Protection | 1000Vrms |
| Continuity Buzzer | Yes |
| Diode Test | Test voltage 1.5 volts |
| Frequency | 1.0Hz to 100KHz |
| Capacitance/Accuracy | 4nF, 40nF, 400nF, 4µF, 40µF, 400µF, 4mF, 40mF, ±(1.0% of rdg + 5 dgt) |
| Range Hold | Yes |
| Data Hold | Yes |
| Min/Max | Yes |
| Peak Hold | Yes |
| REL (Zero) | Yes |
| Accessories | Carrying case, Test Leads, Operating Manual, Battery |
• This instrument has been designed for use in environments of pollution degree 2.
• It can be used for VOLTAGE and CURRENT measurements on installations of overvoltage
CAT III 1000V and CAT IV 600V.
• This instrument is not suitable for measurements of non sine wave voltage and current.
• When using the instrument always respect the usual safety regulations aimed at
protecting you against the dangerous electric currents and protecting the instrument
against incorrect operations.
• Only the leads supplied with the instrument guarantee compliance with the safety
standards in force. They must be in good conditions and, if necessary, replaced with
identical ones.
• Do not test or connect to any circuit exceeding the specified overload protection.
• Do not effect measurements under environmental conditions exceeding the limits
indicated in paragraphs 6.1.1 and 6.2.1.
• Make sure that batteries are properly installed.
• Before connecting the test probes to the installation make sure that the rotary selector
is positioned on the right function.
• Make sure that LCD and rotary selector indicate the same function.
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