Model : 6091N pH, ORP, Temperature Benchtop Meter

Description
pH/ mV/ Temp. benchtop meter, microprocessor based with built in paper printer with time date stamp and optional RS-232C computer interface. Features a voltage recorder output and dual LCD digital displays for time/ date and pH/ mV/ temp. Connectors are a Jenco 4-Pin, BNC and a reference pin connector. AC/ DC Powered with built in 115/ 230 volt transformer.
Dual cmos microcomputer design
Touch keys with audio feedback
User prompting annunciators
Displays pH and temperature values
Auto lock , endpoint sensing and hold
Optional rs-232c output
Manual print
Programmable print intervals form 10 seconds to 20 hours
Prints sample and log numbers
Prints operation instructions
Prints and displays real time calendar
Prints error messages
Audible high / low alarms
Error indications
Optional temp / slope / offset compensated analog output
Power down memory backup
Rechargeable batteries for field applications
Specifications
pH Range : 2.00 to 16.00
pH Resolution : 0.01
pH Accuracy : ± 0.01 ± 1 digit

ORP Range : -999 to 999
ORP Resolution : 1
ORP Accuracy : 0.1% ± 1 digit

Temp. Range : 0 to 99.9 ° C
Temp. Resolution : 0.1
Temp. Accuracy : ± 0.5 ± 1 digit

Other
Temp. compensation auto/ manual: 0 to 99.9 ° C
Buffer recognition: pH 4, 7, 10
Buffer temp. range: 0 to 60.4 ° C
Internal buffer t.c. table: Stored in 0.5° C intervals
Electrode slope recognition: ± 20% at pH 4, 10
Electrode offset recognition: ± 1 pH at pH 7
Dual point standardization: pH 7, 4 or pH 7, 10
Auto lock endpoint sensing: Yes
Power down battery backup: Yes
Audio feedback: Yes
Error indications: Yes
Analog output ( standard) : ± 0.1% ± 1 mV of input
Analog output ( optional) : ± 0.2% ± 1 mV of reading
Display ( ph/ mV) : 12.5mm high LCD with pH/ mV legend
Display ( temp.) : 7.5mm high LCD with ° C legend
Display update: 500 ms
Input impedance: Greater than 10^ 12 ohm, s

Datalogger
Printer: 58 mm wide thermal dot matrix printer
Real time clock: Year/ month/ day/ hour/ minute/ second
Clock display: 8mm high LCD display
Printer interval: 10 seconds to 20 hours
Manual print: Yes
Sample identification numbers: 1to 1999
Log identification numbers: 1to 1999
High/ low alarm set: Over measurement range

General
Power: Rechargeable batteries and 115/ 230VAC ± 15% , 50/ 60hz
Battery life: 25 hours
Dimensions: 250 mm x 240 mm x 100 mm
Weight: 1.75 kg