Overview

Enviro Forest precision resistance meter with multi-frequency logging instrument designed for high-accuracy resistance measurement across various frequencies including 100 Hz, 120 Hz, 1 kHz, and 10 kHz. It offers advanced data logging, fast test speeds as low as 12.5 ms, and powerful comparator-based sorting functionality. Ideal for testing resistors, circuit boards, cables, and other passive components in lab, production, or field environments.

Features

4 fixed test frequencies: 100 Hz to 10 kHz
High measurement accuracy at 0.1%
Data logging with USB file export
6-digit high-resolution display
Fast test speed down to 12.5 ms
Built-in 10-bin comparator sorting
Ultra-low signal output offset (< 100 µV)
Internal, external, and manual trigger modes
5-terminal configuration for improved accuracy
10-point frequency sweep and sorting support

Technical Specifications

Test Frequencies	100 Hz, 120 Hz, 1 kHz, 10 kHz
Basic Accuracy	0.1%
Display	4.3-inch TFT LCD (multi-language interface)
Resolution	6 digits
AC Test Signal Level	0.1 Vrms, 0.3 Vrms, 1 Vrms
Signal Source Resistance	10 Ω or 100 Ω selectable
Terminal Configuration	5-terminal
Test Speed (ms/reading)	Fast: 19 ms; Medium: 83 ms; Slow: 333 ms
Special Fast Mode (≤120 Hz)	4 x T + 3 ms (min: 12.5 ms)
Zeroing Methods	Open, Short, Load
Sweep Function	10-point frequency or voltage sweep with sorting
Trigger Modes	Internal, External, Manual, Bus
Average Count	1 to 255
Arithmetic Modes	Direct reading, ΔABS, Δ%
Delay Settings	Trigger and step delay: 0 s to 60 s, 1 ms steps
Comparator	10 bins (BIN1 to BIN9, NG, AUX), PASS/FAIL indicators
Internal Storage	100 test setting profiles, 10 results per file
External Storage	USB storage for settings and CSV data
Operating Temperature Range	32 °F to 104 °F (0 °C to 40 °C)
Dimensions	10.63 in x 8.66 in x 4.33 in (270 mm x 220 mm x 110 mm)
Weight	5.51 lb (2.5 kg)