This fixed-mount environmental tester consists of a transmitter unit and an external light sensor probe with a 1.5 m / 4.92' long cable and wall-mounting bracket. This environmental tester allows for the continuous monitoring of light exposure in the workplace.

- Measuring range: 0 ... 50,000 lux (lx)in three ranges
- Resolution: 0.1 lx / 1 lx depending on range
- Accuracy: ± 5% of reading
- 4 to 20-mA analog output and control relay

PCE-DRH 1 is a handheld digital refractometer used to determine the sugar content / water content / degrees Baumé (Bé°) / refractive index of honey in the 0 ... 90 % Brix / 5 ... 38% water / 33 ... 48 Bé° / 1.3330 ... 1.5177 nD measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Brix, water content, degrees Baumé (Bé°), refractive index, temperature
- Measurement range: 0 ... 90 % Brix 
- Resolution: 0.1 % Brix
- Accuracy: ±0.2 % Brix
- Automatic temperature compensation (ATC) 

PCE-DRW 2 is a handheld digital refractometer used to determine the sugar content / alcohol content (% vol ap) / °Oechsle (°Oe) / KMN (babo) of wine and similar liquids in the 0 ... 45 % Brix / 0 ... 22% vol ap / 3 ... 150 °Oe / 0 ... 25 KMW measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Brix, % vol ap, °Oechsle, KMW, temperature
- Measurement range: 0 ... 45 % Brix 
- Resolution: 0.1 % Brix
- Accuracy: ±0.2 % Brix 
- Automatic temperature compensation (ATC)

PCE-DRB 2 is a handheld digital refractometer used to determine the refractive index and dextran, fructose, glucose, lactose and maltose content (%) of liquid. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Dextran, fructose, glucose, lactose, maltose, temperature
- Measurement range: 1.3330 ... 1.5177 nD 
- Resolution: 0.0001 nD 
- Accuracy: ±0.0003 nD
- Automatic temperature compensation (ATC)

PCE-DRP 1 is a handheld digital refractometer used to determine the sugar content / coffee p1 / refractive index of coffee and similar liquids in the 0 ... 50 % Brix / 0 ... 25 coffee p1 / 1.3330 ... 1.4200 nD measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Brix, coffee p1, refractive index, temperature
- Measurement range: 0 ... 50 % Brix 
- Resolution: 0.1 % Brix
- Accuracy: ±0.2 % Brix 
- Automatic temperature compensation (ATC)

PCE-DRP 2 is a handheld digital refractometer used to determine the sugar content / coffee p2 of coffee and similar liquids in the 0 ... 30 % Brix / 0 ... 25 coffee p2 measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Brix, coffee p2, temperature
- Measurement range: 0 ... 25 coffee p2 
- Resolution:0.01 coffee p2 
- Accuracy: ±0.2 coffee p2 
- Automatic temperature compensation (ATC)

PCE-DRS 1 is a handheld digital sodium chloride (NaCl) refractometer used to determine the salinity or salt content (%, ‰), specific gravity (SG) and refractive index (nD) of liquid. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

- Measurement parameters:
- Salt content, refractive index, specific gravity, temperature
- Measurement range: 0 ... 280 ‰ salinity
- Resolution: 01 ‰ 
- Accuracy: ±2 ‰
- Automatic temperature compensation (ATC)

PCE-DRW 1 is a handheld digital refractometer used to determine the sugar content / specific gravity of beer and similar liquids in the 0 ... 50 % Brix / 1.000 ... 1.130 d 20⁄20 measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Brix, specific gravity (d 20⁄20), temperature
- Measurement range: 0 ... 50 % 
- Resolution: 0.1 % Brix 
- Accuracy: ±0.2 % Brix
- Automatic temperature compensation (ATC)

PCE-DRU 1 is a handheld digital refractometer used to determine the urea (NH2) 2C0 (AdBlue) content / refractive index of liquid in the 0 ... 51 % / 1.3330 ... 1.4056 nD measuring range. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
  Urea (NH2) 2C0, refractive index, temperature
- Measurement range: 0 ... 51 % 
- Resolution: 0.1 % 
- Accuracy: ±0.2 % 
- Automatic temperature compensation (ATC)

The light meter consists of a transmitter unit and an external light sensor probe with a 1.5 m / 4.92' long cable and wall-mounting bracket. This light meter allows for the continuous monitoring of light exposure in the workplace.

- Measuring range: 0 ... 50,000 lux (lx)in three ranges
- Resolution: 0.1 lx / 1 lx depending on range
- Accuracy: ± 5% of reading
- 4 to 20-mA analog output and control relay

PCE-DRA 1 is an antifreeze digital antifreeze refractometer used to determine the percentage or content and freezing point of propylene glycol- and ethylene glycol-based solutions. This waterproof IP65-rated digital refractometer features automatic temperature compensation (ATC) from +10 ... +40 °C / +50 ... +104 °F, as well as a large, easy-to-read LCD that shows both the measured value and the temperature.

Measurement parameters:
- Ethylene glycol %, propylene glycol %, temperature °C
- Measuring range: 0 ... 60 % ethylene glycol
- Resolution: 0.1 % / 0.1 °
- Accuracy: ±0.5 % / ±0.5 °C
- Automatic temperature compensation (ATC)
- Easy calibration with distilled water

PCE-ALK is a handheld refractometer used to determine the % volume of alcohol content (vol%) of pure alcohols and alcoholic solutions. For best results, use this refractometer with sugar-free, pigment-free alcoholic solutions.

- Measurement range: 0 to 80% (% volume of alcohol content)
- Resolution: 1 vol% (0 ... 60 vol%); 2 vol% (60 ... 80 vol%)
- Accuracy: ±1%

PCE-0100 is a handheld refractometer used to determine the salt content or % salinity ppt and salinity SG (specific gravity) of salt water, sea water and other solutions containing a concentration of salt. This portable pocket salinity refractometer has a double scale to allow the user to view both measurement parameters at once.

Measurement range:
  0 ... 100% salinity ppt, 1.000 ... 1.070 salinity SG
- Resolution: 1 % or 0.001
- Accuracy: ±0.1 %
 

PCE-010 is a handheld refractometer used to determine the % Brix (sucrose or sugar content) of low-concentration translucent liquids such as fruit and vegetable juices, maple sap and industrial coolants. This portable pocket Brix refractometer is specially designed to provide high-accuracy readings.

- Measurement range: 0 ... 10 % Brix
- Resolution: 0.1 %
- Accuracy: ±0.1 %

PCE-018 is a handheld refractometer used to determine the % Brix (sucrose or sugar content) of low-concentration translucent liquids such as fruit and vegetable juices, maple sap and industrial coolants. This portable pocket Brix refractometer is specially designed to provide high-accuracy readings.

- Measurement range: 0 ... 18% Brix
- Resolution: 0.1 %
- Accuracy: ±0.1 %

PCE-032 is a handheld refractometer used to determine the % Brix (sucrose or sugar content) of translucent liquids such as grape juice, fruit juice, wine and beer. Thus, this portable pocket Brix refractometer is the ideal tool for winemakers, vineyard managers and brewers.

- Measurement range: 0 ... 32 % Brix
- Resolution: 0.2 %
- Accuracy: ±0.2 %