• Model NO.：PH-80,PH-200,TDS-EZ,AP-1,AP-2,DM-1,DM-2,PS-200
• TDS Range：0-999 Ppm (Mg,L), 0-5000 Ppm (Mg,L)
• Conductivity Range：0-9999us
• Housing：IP-67 Waterproof (Submersible; Floats)
• Transport Package：Carton
• Specification：18.5*3.4*3.4 cm (7.3* 1.3* 1.3 inches)
• Trademark：HM
• Origin：Shanghai, China
• HS Code：9025800000
• Production Capacity：1000PCS,Month

PH Hydro Tester PH-80

Features:

1. Measures pH and Temperature 
2. One-touch automatic digital calibration 
3. Water resistant 
4. Simultaneous temperature display 
Sleek, lightweight design 
5. Large LCD display 
6. Automatic Temperature Compensation (ATC) 
7. Auto-off function, data-hold function and low-battery indicator 
8. Includes storage solution in a sponge embedded in a translucent cap 
9. Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process. 
10. Includes a cap, batteries, storage solution and pH 7.0 buffer

Specification:
pH Range: 0 - 14 
Temperature Range: 1-80 °C; 33-176 °F 
Resolution: 0.1 pH; Temperature resolution is 0.1 °C/°F 
Accuracy: +/- 0.2 pH; Temperature accuracy is +/-2%
Calibration: Digital automatic calibration (one point) 
Electrode: Glass sensor and reference tube electrodes 
Housing: Water resistant 
Power source: 3 x 1.5V button cell batteries (model 357A; included) 
Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) 
Weight: 53.9 g (1.9 oz)

Inner box: 10pcs/box, box size: 24.5*20*15cm, 0.7KG

Carton: 180pcs/ctn, size: 65.3*53*42cm, 18kgs

PH-200: Waterproof pH/Temp Meter

FEATURES

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  DM-1: In-Line Dual TDS Monitor

  Measure the tap water coming in vs. the purified water going out of your water filtration system at any time.

  FEATURES

  • Displays TDS levels of the feed water and product water with in & out electrode probes.

  • Highly efficient and accurate due to its advanced microprocessor technology.

  • Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.

  • Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)

  • Factory calibration: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.

  • Comes equipped with John Guest Quick-Connect T-fittings as shown.

  • Installs quickly and easily.

  SPECIFICATIONS

  Range: 0-9990 ppm 
  Accuracy: ±2% 
  Cable Length: 24.5" (including sensor) 
  Fittings: 1/4"
  Power source: 2 x 1.5V button cell batteries (included) 
  Battery life: approx. 1000 hours of continuous use 
  Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) 
  Weight: 79.4 g (2.8 oz.) 

   

    

   

  Differences from the DM-1:

  • Designed for commercial/industrial applications.

  • Stronger, water-resistant casing.

  • Calibration can be done individually or simultaneously on each line.

  • Improved design, including an extra large, easy-to-read LCD display.

  • Longer, waterproof, shielded cables.

  • Variable mounting bracket.

  DM-2: Commercial In-Line Dual TDS Monitor

  Install on industrial systems such as car washes, window washing, manufacturing, and food processing.

  FEATURES

  • Highly efficient and accurate due to its advanced microprocessor technology.

  • Displays TDS levels of the Feed Water and Product Water with in & out electrode probes.

  • Auto-Off function conserves battery power. The unit shuts off automatically after 20 seconds.

  • Dual Range - Measures from 0-999 ppm, with a resolution of 1 ppm. From 1000 to 9990 ppm, the resolution is in 10 ppm increments, indicated by a blinking 'x10' image.

  • Factory calibration: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.

  • Comes equipped with 1/4 inch John Guest Quick-Connect T-fittings as shown. 

  • Installs quickly and easily.

  SPECIFICATIONS

  Range: 0-9990 ppm 
  Accuracy: ±2% 
  Cable Length: 46" (including sensor) 
  Calibration: Factory calibrated to NaCl 342 ppm. Re-calibration can be done separately for each line, or simultaneously for both. 
  Power source: 2 AAA batteries (included) 
  Battery life: over 1000 hours of continuous use 
  Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.) 
  Weight: 201.3 g (7.1 oz.)

    

   

   

  DM-2EC Commercial Inline Dual EC Monitor

  Inline ELECTRICAL CONDUCTIVITY monitor that can be installed on industrial water filtration systems such as car washes, window washing, manufacturing, and food processing.
  FEATURES
  Highly efficient and accurate due to its advanced microprocessor technology.
  Displays EC levels of the Feed Water and Product Water with in & out electrode probes.
  Auto-Off function conserves battery power. The unit shuts off automatically after 3 minutes.
  Dual Range - Measures from 0-999 µS, with a resolution of 1 ppm. From 1000 to 9990 µS, the resolution is in 10 µS increments, indicated by a blinking 'x10' image.
  Factory Calibrated: calibrated to 1413 µS. The DM-2EC features digital calibration.
  Diagnostic error messaging
  Shielded sensor cables
  Comes equipped with 1/4 inch Mur-lok® Quick-Connect T-fittings. 
  Installs quickly and easily.
  Differences from the DM-1:
  Measures EC (Electrical Conductivity) in µS (micro-Siemens).
  Designed for commercial/industrial applications.
  Stronger, water-resistant casing.
  Digital calibration can be done individually on each line.
  Improved design, including an extra large, easy-to-read LCD display.
  Longer, waterproof, shielded cables.
  Variable mounting bracket. 
  SPECIFICATIONS
  Range: 0-9990 µS
  Accuracy: ±2% 
  Cable Length: 46" (including sensor), shielded cables
  Sensor: Dual, 1/4" diameter for quick-connect fittings (model SP-3, included)
  Digital Calibration: Digitally factory calibrated to 1413 µS. Re-calibration can be done separately for each line. 
  Power source: 2 x AA batteries (included) 
  Battery life: Approx. 2 years 
  Size: 11.6 x 6.8 x1.8 cm (4.6 x 2.6 x .7in.) 
  Weight: 201.3 g (7.1 oz.)

   

   

   

  TRM-1 Triple Inline TDS Monitor

  TDS levels at 3 points, such as with DI/RO (deionization / reverse osmosis), or multiple points in an RO system, and more.

  FEATURES
  Displays TDS levels of the three sensing points with electrode probes.
  Highly efficient and accurate due to its advanced microprocessor technology.
  Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
  Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)
  Factory Calibrated: calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
  Comes equipped with Mur-lok® Quick-Connect T-fittings (is 1/4")
  Installs quickly and easily.

  SPECIFICATIONS
  Range: 0-9990 ppm 
  Accuracy: ±2% 
  Conversion Factor: NaCl (avg. 0.5)
  Cable Length: 24.5" (including sensor) 
  Fittings: 1/4" standard, also available with 3/8" or 1/2" 
  Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included) 
  Battery life: approx. 1000 hours of continuous use 
  Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) 
  Weight: 79.4 g (2.8 oz.)

    

   

   

  FEATURES
  A five-stage filter monitor with five independent timers and a tri-color LED faucet indicator disc.
  Works on time (and volume for the FM-2) for up to five stages (can be less).
  The LED indicator disc will illuminate a green, yellow or red light when the water is turned on. The color indicates the percentage of elapsed time.
  Auto-Off function conserves battery power. The unit shuts off automatically after 5 minutes of non-use.
  The timer counts down in months or days (settings can be modified).
  Includes an audible alarm (beep).
  Modern design is perfect for any kitchen.
  Installs quickly and easily.

  Filter Monitor 
  FM-1 SPECIFICATIONS
  Timer Range: 0-999 days/months 
  Timer Modes: Days or months (default is months) 
  Settings: One alert per stage, up to five stages 
  Default Setting: 12 months 
  Batteries: 2 x AA (included) 
  Battery Life: approx. 18 months 
  Base Unit Dimensions: 100 x 63 23 mm (4 x 2.5 x 0.9 in) 
  Base Unit Weight: 119 g (4.2 oz.) (including batteries)
  Flow Switch Cable Length: 93 cm (36.6 in) 
  Flow Switch Fitting Size: 1/4" Quick Connect 
  LED Faucet Indicator Disc Cable Length: 92 cm (36.25 in)
  LED Faucet Indicator Disc Dimensions: 4.75 (1 1/4" in.) dia., 8 cm (5/16") high

  FM-2 SPECIFICATIONS

  Timer Range: 0-999 days/months 
  Timer Modes: Days or months (default is months) 
  Volume Range 0-99999 Gallons / Liters 
  Volume Modes: Gallons (default) or Liters 
  Volume Accuracy: +/-1% (at typical flow rates of approx. 1.5 to 2.5 LPM; low and high rates may affect accuracy) 
  Maximum Pressure: 150 psi 
  Settings: One alert per stage, up to five stages 
  Default Setting: 12 months 
  Batteries: 2 x AA (included) 
  Battery Life: approx. 18 months 
  Base Unit Dimensions: 100 x 63 23 mm (4 x 2.5 x 0.9 in)  
  Base Unit Weight: 119 g (4.2 oz.) (including batteries)
  Flow Sensor Cable Length: 93 cm (36.6 in) 
  Flow Sensor Fitting Size: 1/4" Quick Connect 
  LED Faucet Indicator Disc: Works with any non-air gap filter faucet
  LED Faucet Indicator Disc Cable Length: 92 cm (36.25 in)
  LED Faucet Indicator Disc Dimensions: 4.75 (1 1/4" in.) dia., 8 cm (5/16") high

    

  Features:
  -With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively.
  -Tests for TDS or conductivity levels.
  -Eight programmable set points (by dip switch).
  -Bright LED lights

  -Simple to use.

  QC-1: Quick Check TDS/Conductivity Monitor

  Press the "Push-to-Check" button for an instant water quality check!
  .-Factory Calibrated to 100 ppm NaCl. Re-calibration is unncessary.
  -Comes equipped with Mur-lok® Quick-Connect T-fitting (1/4 inch).
  -Excellent Reverse Osmosis (RO) or Deionization (DI) monitor
  -Installs quickly and easily.
  Specifications:
  -TDS/EC Range: 0-5000 ppm (10,000 µS) 
  -Max. Set Point: 50 ppm (100 µS) 
  -Accuracy: ±3% 
  -ATC: No 
  -Cable Length: 24.5" (including sensor) 
  -Fittings: 1/4" 
  -Power source: 4 * 1.5V button cell batteries (included) 
  -Battery life: Approx. one year 
  -ize: 7.6 * 2 * 4.7 cm (3 * 8 * 1.9 in.) 
  -Weight: 39.7 g (1.4 oz.) (not including sensor)

    

   

  Features:
  -Displays TDS level of a single water line.
  -Highly efficient and accurate due to its advanced microprocessor technology.
  -Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
  -Wide Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.)

  -Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. -Meters can be recalibrated with a mini-screwdriver.

  SM-1: In-Line Single TDS Monitor 
  Use the monitor to determine when a filter need to be changed. 
  Ideal for any water filtration system, including reverse osmosis systems, coolers and much more. 
  -Comes equipped with Mur-lok® Quick-Connect T-fitting (1/4 inch).
  -Installs quickly and easily.
  Specifications:
  -Range: 0-9990 ppm 
  -Accuracy: ±2% 
  -Conversion Factor: NaCl (avg. 0.5)
  -Cable Length: 24.5" (including sensor) 
  -Fittings: 1/4"
  -Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included) 
  -Battery life: approx. 1000 hours of continuous use 
  -Size: 7.6 x 2 x 4.7 cm (3 x .8 x 1.9 in.) 
  -Weight: 79.4 g (2.8 oz.)

    

   

   

             

   

    

   

  Features:
  -Monitors and controls TDS levels for high output commercial systems. 
  -Large, bright L.E.D. display. 
  -An alarm will sound if the TDS level rises above the user-set level. 
  -Installs easily in minutes. 
  -Includes one sensor probe (at no extra cost). 
  -Protective cover also available (sold separately)

  PS-100: Panel Mount TDS Controller

  Install the Panel Mount Controller to constantly monitor TDS levels of water produced by a high-output system.
  Specifications:
  -Range: 0 - 999ppm 
  -Accuracy: ±2% 
  -Conversion Factor: NaCl (avg. 0.5)
  -Resolution: 1 PPM 
  -ATC: Yes (1 - 65 degrees Celsius) 
  -Calibration: Adjustable (manual)
  -Setting: Controlled by on-screen up/down buttons 
  -Relay Control: The unit will open or close a circuit via dry contacts when the ppm -level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. 
  -Relay Voltage: 5V 
  -Alarm: Optional steady beep (set by user) 
  -Display: Bright 5/8" L.E.D. display 
  -Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable 
  -Power supply: AC 110V / AC 220V 
  -Dimensions: 7.2 * 7.2 * 10.2 cm (2.8 * 2.8 * 4 in.) 
  -Monitor Weight: 476 g (1 lb .8 oz) 
  -Total Weight: 680.4 g (1 lb 8 oz)

    

   

   

  PS-200 Dual TDS Controller

  Install the Dual TDS Controller to constantly monitor TDS levels of water produced by a high-output system. Immediately know if the TDS levels rise above an acceptable level.
  FEATURES
  Monitors and controls TDS levels of two water lines (e.g., feed water and product water) for high output commercial systems.
  Large, bright L.E.D. display.
  An alarm will sound if the TDS level rises above the user-set level for the output water.
  Installs easily in minutes.
  Includes two sensor probes (at no extra cost).
  The PS-200 is a monitor for Line 1 (in-line) and a controller for Line 2 (out-line).
  Protective cover also available (sold separately)
  SPECIFICATIONS
  Range: 0 - 999ppm 
  Accuracy: ±2%
  Conversion Factor: NaCl (avg. 0.5)
  Resolution: 1 PPM 
  ATC: Yes (1 - 65 degrees Celsius) 
  Calibration: Adjustable 
  Setting: Controlled by on-screen up/down buttons 
  Relay Control: The unit will open or close a circuit via dry contacts when the ppm level (out line/line 2 only)reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. (In line/Line 1 does not have a control function) 
  Relay Voltage: 5V (simple switch)
  Alarm: Optional steady beep for Out line/Line 2 (set by user) 
  Display: Bright 5/8" L.E.D. display 
  2 Probes: 1/2" bushing (NPT), 3 meter (9.8 ft) shielded cable 
  Power supply: AC 110V / AC 220V 
  Dimensions: 7.2 x 7.2 x 10.2 cm (2.8 x 2.8 x 4 in.) 
  Monitor Weight: 476 g (1 lb .8 oz) 
  Total Weight: 822.1 g (1 lb 13 oz)

    

   

  Features:
  -Simultaneously monitors and controls the TDS levels of two water lines (e.g., the feed water and product water) for high output commercial systems.
  -Large, bright L.E.D. displays.
  -An alarm will sound if the TDS level rises above the user-set level for both lines.
  -Installs easily in minutes.
  -Includes two 1/2" sensor probes (at no extra cost).

  PS-202: Dual Display TDS Controller

  The PS-202 allows for continuous and simultaneous monitoring and control of TDS levels on two water lines.
  Specifications:
  -Range: 0 - 999ppm 
  -Accuracy: ±2% 
  -Conversion Factor: NaCl (avg. 0.5)
  -Resolution: 1 PPM 
  -ATC: Yes (1 - 65 degrees Celsius) 
  -Calibration: Adjustable 
  -Setting: Controlled by on-screen up/down buttons 
  -Relay Control: The unit will open or close a circuit via dry contacts when the ppm -level of the output water (line 2) or input water (line 1) reaches or exceeds its control setting (simple switch). The PS-202 can be used to control one or two pumps, solenoid valves or other device. 
  -Relay Voltage: 5V 
  -Alarm: Steady beep for both lines 
  -Display: Bright 5/8" L.E.D. dual displays 
  -2 Probes: 1/2" bushing, 3 meter (9.8 ft) shielded cable 
  -Power supply: AC 110V / AC 220V 
  -Dimensions: 9.4 * 9.4 * 12.5 cm (3.7 * 3.7 * 4.9 in.) 
  -Monitor Weight: 569.8 g (1 lb 4.1 oz) 
  -Total Weight: 938.4 g (2 lbs 1.1 oz)

    

  
  Features:
  -Monitors and controls TDS levels for high output commercial systems. 
  -Large, bright L.E.D. display. 
  -An alarm will sound if the TDS level rises above the user-set level. 
  -On-screen temperature display (C/F). 
  -Installs easily in minutes. 
  -Includes one sensor probe (at no extra cost). 
  -Protective cover also available (sold separately)

  PSC-150: Extended Range EC/TDS Controller

  New controller includes extended range, digital calibration, on-screen temperature and tri-color display.
  Specifications:
  -EC Range: 0-9999 µS
  -TDS Range: 0 - 5000 ppm 
  -Temperature Range: 1-75°C; 33-167°F 
  -Accuracy: ±2% 
  -onversion Factor: NaCl (avg. 0.5)
  -Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999)
  -ATC: Yes (1 - 65°C) 
  -Calibration: Adjustable (manual)
  -etting: Controlled by on-screen up/down buttons 
  -Relay Control: The unit will open or close a circuit via dry contacts when the ppm/µS level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. 
  -Relay Voltage: 5V 
  -Alarm: Optional steady beep (set by user) 
  -Display: Bright 5/8" L.E.D. display 
  -Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable 
  -Power supply: AC 110V / AC 220V 
  -Dimensions: 7.2 * 7.2 * 10.2 cm (2.8 * 2.8 * 4 in.) 
  -Monitor Weight: 476 g (1 lb .8 oz) 
  -Total Weight: 680.4 g (1 lb 8 oz)

    

  

  Features:
  -Monitors and controls TDS/EC levels for high output commercial systems. 
  -Large, bright L.E.D. display. 
  -4-20mA output signal can connect to a PLC to record values. 
  -An alarm will sound if the TDS /EC level rises above the user-set level. 
  -A switch will control a device based upon the set point. 
  -On-screen temperature display (C/F). 
  -Installs easily in minutes. 
  -Includes one sensor probe (at no extra cost) (part #SP-1-PSC). 
  -rotective cover also available (sold separately)

  PSC-154: TDS/EC Controller with 4-20mA Output

  New controller includes extended range, digital calibration, on-screen temperature, tri-color display and 4-20mA output.
  Specifications:
  -EC Range: 0-9999 µS
  -TDS Range: 0 - 5000 ppm 
  -Temperature Range: 1-75°C; 33-167 °F 
  -Accuracy: ±2% (of the reading)
  -Conversion Factor: NaCl (avg. 0.5)
  -Resolution: 0.1 µS/ppm (0-999); 1 µS/ppm (1000-9999)
  -ATC: Yes (1 - 65°C) 
  -Calibration: Digital by push button 
  -Set-Point: Single point, controlled by on-screen up/down buttons (to any point within the range)
  -Relay Control: The unit will open or close a circuit via dry contacts when the ppm/µS level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. 
  -Relay Voltage: 5V 
  -Output Signal: 4-20mA
  -Output Accuracy (mA): ±1%
  -Alarm: Optional steady beep (set by user) 
  -Display: Bright 5/8" L.E.D. display 
  -Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable 
  -Power supply: AC 110V / AC 220V 
  -Dimensions: 7.2 * 7.2 * 10.2 cm (2.8 * 2.8 * 4 in.) 
  -Monitor Weight: 476 g (1 lb .8 oz) 
  -Total Weight: 680.4 g (1 lb 8 oz)

    

  
  
  Features:
  -Monitors and controls dosing or injection systems. 
  -Large, bright tri-color L.E.D. display. 
  -Two adjustable set points keep TDS levels within a range (maximum and minimum TDS/EC levels). 
  -Minimum and maximum control points will activate relay controls via switching dry contacts. 
  -The CIC-152 can control two different devices (e.g., a pump and a valve). 
  -Two alarms (maximum and minimum levels) can be set independently of the control points. 
  -Digital calibration. 
  -On-screen temperature display. 
  -On-screen range & control indicator lights (green, yellow or red) 
  -Installs easily in minutes. 
  -Includes one sensor probe (no extra cost)

  CIC-152: Dual Control Dosing/Injection TDS/EC Controller

  -Protective cover also available (sold separately) 
  -Available with the NaCl conversion factor (model CIC-152-N) or the 442TM conversion factor (model CIC-152-4).
  Specifications:
  -TDS Range: 0 - 5000 ppm (CIC-152-N): 0 - 8500 ppm (CIC-152-4)
  -EC Range: 0 - 9999 µS
  -Temperature Range: 1-80°C; 33-176°F
  -Accuracy: ±2% (of the reading)
  -Resolution: 0.1 ppm (0-999); 1 ppm (1000-9999)
  -TC: Yes (1 - 80 degrees Celsius) 
  -Calibration: Digital (by push button)
  -Factory Calibration: 1413 µS
  -Set Points: Adjustable by push button. Control Point 2: Maximum TDS Limit. -Control Point 1: Lower TDS Level. 
  -Relay Control: The unit will transmit an analog signal (simple switch) via open or closed contacts to a device (e.g. pump/valve) when the ppm/µS level reaches the maximum TDS/EC limit (Control Point 2) or the minimum TDS/EC limit (Control -----Point 1). The contacts are switched back to the normal position once the TDS returns to the acceptable range.
  -Relay Voltage: 5V (attached devices must have their own power supply)
  -Alarm: Two independent alarms (set by user)
  -Display: Bright 5/8" L.E.D. display 
  -Probe: 1/2" bushing, 3 meter (9.8 ft) shielded cable (model SP-1-PSC)
  -Power supply: AC 110V / AC 220V 
  -Dimensions: 7.2 * 7.2 * 11.1 cm (2.8 * 2.8 * 4.4 in.) 
  -Monitor Weight: 476 g (1 lb .8 oz) 
  -Total Weight: 680.4 g (1 lb 8 oz)

    

  
   

  TM-1: Industrial-Grade Digital Thermometer

  For use in: All hot and cold fluids and/or solids Aquariums Kitchens and bakeries Hydroponics and aquaculture Freezers/coolers and heating systems Motors, generators and ventilations systems Academic, scientific and medical laboratories

  FEATURES

  • Durable 2 ½" stainless steel probe with 20" cable

  • Complete with wallet-style carrying case

  • Large, easy-to-read LCD display

  SPECIFICATIONS

  Temp. Range: -58 to 482°F (-50 to 250°C) 
  Resolution: .0.1°C and 0.1 °F 
  Accuracy: ±1°C (-10 to 100°C ), ±2°C (101 to 200°C ), ±3°C (-50 to -10°C ), ±5°C (200 to 250°C ) 
  Power source: 2 x 1.5V button cell batteries (included) 
  Dimensions: 5.4 x 10.8 x 1.2cm (2.1 x 4.2 x .5 inches) 
  Weight with case: 85g (3 oz) 
  Weight without case: 56.7g (2 oz)