General Tools DHI875FCERT with NIST Calibration Certificate Humidity Temperature Meter is a digital thermometer and hygrometer. General Tools DHI5FCERT Humidity Temperature Meter displays temperature and humidity with an easy jumbo display. Formerly Mannix Instrument.

General Tools DIT360CERT - with NIST Calibration Certificate - Precision Digital Insulation Tester is an effective and complete digital insulation tester. General Tools DIT360CERT Precision Digital Insulation Tester features a 4 digit LCD display with a 40 segment analog display in this precision digital insulation tester. Formerly Mannix Instrument.

General Tools DKP300MACERT - with NIST Calibration Certificate Digital Alarm Thermometer Waterproof is a Waterproof Key Pad Thermometer with Alarm. General Tools DKP300MACERT Digital Alarm Thermometer Waterproof is an excellent digital temperature probe thermometer.

Mini T PRO TK52 is a compact digital meter designed for simplicity and as a hand held differential thermometer for one-hand operation. E Instruments Mini T PRO TK52 Hand Held Differential Thermometer is equipped with unique features such as a high stability, good repeatability and fast response. E Instruments mini T PRO TK52's goal is to keep high accuracies of measurements at bad ambients. Thermocouples type K are used for temperature measuring. Discontinued product.

E Instruments HD50 Thermo Hygrometer is equipped with unique features such as a high stability, good repeatability and fast response. E Instruments HD50 Mini T RH PRO's goal is to keep high accuracies of measurements at bad ambients. Platinum resistance element (Pt100W) for the E Instruments HD50 is used for temperature measuring and compensation.

General Tools DL8829CERT - with NIST Calibration Certificate - Temperature Humidity Data Logger records relative humidity and temperature. This General Tools DL8829CERT temperature humidity recorder logs data for days, weeks or months and multiple data loggers can be programmed and data downloaded from a single docking station. Formerly Mannix Instrument.

General Tools DL8828CERT - with NIST Calibration Certificate - Temperature Data Logger records temperature only. General Tools DL8828 CERTTemperature Data Logger is a complete temperature humidity data logger. Formerly Mannix Instrument.

General Tools DL8835CERT - with NIST Calibration Certificate - Temperature Humidity Data Logger, a temperature humidity recorder, logs data for days, weeks or months. General Tools DL8835CERT Temperature Humidity Data Logger provides the feature of multiple data loggers that can be programmed and data downloaded from a single docking station. Formerly Mannix Instrument.

General Tools DLM105HACERT - with NIST Calibration Certificate - Digital Light Meter Recording shines as a mannix light meter. General Tools DLM105HACERT Digital Light Meter Recording has valuable digital light meter user selectable lighting, type (tungsten, fluorescent, daylight or mercury). Formerly Mannix Instrument.

General Tools DLM1337CERT- NIST Calibration Certificate - Jumbo Display Digital Light Meter is a digital light meter that accurately displays light level in foot candles (FC) or LUX over a wide range. General Tools DLM1337CERT Jumbo Display Digital Light Meter is pocket sized and lightweight. Formerly Mannix Instrument.

General Tools Instrument DM8200CERT - NIST Calibration Certificate - Digital Manometer provides select psi, inH2O, bar, mmHg, ozin2, kgcm2, kPa, ftH2O, inHg, cmH2O & mbar. This digital manometer has digital display gauge or differential pressure. Formerly Mannix Instrument.

General Tools Instrument DM8205CERT - NIST Calibration Certificate - Digital Manometer provides select psi, inH2O, bar, mmHg, ozin2, kgcm2, kPa, ftH2O, inHg, cmH2O & mbar. This digital manometer has digital display gauge or differential pressure. Formerly Mannix Instrument.