Recording Channels

• Up to three channels available
• One channel for internal thermistor sensor (-40C to +60C)
• One channel for optional external temperature sensors (–40C to +140C)
• One channel for optional external door sensor (open / closed)
• Recording interval 4 to 60 seconds or 1 to 240 minutes
• Delayed recording start time: 1 minute to 1 month
• Can be configured to record maximum temperature during each time period
• Can be configured to record minimum temperature during each time period
• Can be configured to record temperature at exact time of period (default)

Memory

• Unique fixed serial number pre-programmed into each unit.
• Option to stop recording when full or to overwrite oldest data
• Nonvolatile EEPROM (battery not required for preservation of data)
• 21-character spaces for each recording channel (programmable from PC)
• 21-character space for general description (programmable from PC)
• 6656 date/time/temperature records, divided between used channels:
• 3328 records if two channels are programmed
• 2218 records if three channels are programmed
• Maximum recording time before overwriting: 3 years (1 channel, 4 hour recording)
• Minimum recording time before overwriting: 147 minutes (3 channels, 4 sec recording)

Alarms

• Two LED indicators on sensor, either or both flash every 2 seconds
• High and low alarm levels configurable via PC in 1.0C increments
• Alarm delay configurable up to 3 hours after levels are exceeded
• Yellow: "all clear"; Red: "alarm state"
• Both Red & Yellow: all clear now, but alarm has occurred since last download
• Alarms not activated until recording starts

Temperature accuracy (internal sensor)

• Meets UK Food Hygiene Regulations
• +/-0.5C between -25C and +40C (all instrument errors combined)
• +/-1.0C between -40C and –25C (all instrument errors combined)
• +/-1.0C between +40C and +60C (all instrument errors combined)
• Optional calibrations available to provide +/- 0.25C between –25C and +40C

Printing

• Connection to optional battery-powered printer (cable provided with printer)
• Automatic printout on connection of active printer
• Prints serial number, general description, channel descriptions
• Prints date / time / temperature (or door status) for each channel for each record
• Prints maximum and minimum values for each channel
• Prints latest values of a selectable amount of data (min. 12 records, configured via PC)

Mechanical / Environmental

• Dimensions: 185 x 25mm diameter max. Weight: approx. 80g.
• Case: ABS (Acrylonitrile Butadiene Styrene)
• Operating temp. range: -40C to +50C, humidity 0-100%.
• Dust / Waterproofing: IP66/68 (no external sensor connected)
• Dust / Waterproofing: IP64 (with external sensor connected)
• Connector for external sensors / communications: BNC
• Integral loop for security fixing

Battery

• Chemistry: Lithium Thionyl Trichloride, capacity: 2000 mAH
• Life (10-minute recording, one printout or PC download per week): >12 years
• Life (4-second recording, one printout or PC download per day): >8 years

General

• Setup (configuration) options available from PC: time between readings, channel settings, text descriptions, overwrite or stop when full, advance start, values to record, alarm levels, alarm response time, set password, save and restore configurations.
• Clock accuracy: +/- 2 seconds per day.
• Communications to printer via 9600 bps serial link, conversion to RS-232 in separate cable MR-PL
• Communications to PC via 9600 bps serial link, conversion to RS-232 in separate cable MR-PCK
• Download time approx 300 records per second, 8-bit summing error check
• Proprietary ‘IceSpy’ protocol, accessible only via ‘IceSpy’ PC application.
• Unauthorised setup preventable by use of password in PC configuration

Specifications: IceSpy MR external sensors

All accuracies are given with all instrument errors combined

Range / Accuracies: MRS-L, MRS-A

• Meets UK Food Hygiene Regulations
• +/-0.5C between -25C and +40C
• +/-1.0C between -40C and –25C
• +/-1.0C between +40C and +60C
• Optional calibrations available to provide +/- 0.25C between –25C and +40C

Range / Accuracies: MRS-M

• Meets UK Food Hygiene Regulations
• +/-0.5C between +15C and +75C
• +/1.0C between -5C and +15C and between +75C and +105C
• +/2.0C between -20C and –5C and between +105C and +130C
• Optional calibrations available to provide +/- 0.25C between +15C and +75C

Range / Accuracies: MRS-H

• Meets UK Food Hygiene Regulations
• +/-0.5C between +45C and +105C
• +/1.0C between +25C and +45C and between +105C and +135C
• +/2.0C between 0C and +25C and between +135C and +150C
• Optional calibrations available to provide +/- 0.33C between +45 and +105C

Door switch: MRS-D

• Smallest time interval recorded: 4 seconds
• Data presentation: minutes open per recording period (e.g. 3 mins total open)
• Short open times (less than 59 secs) appear as whole minute for clarity
• Short closed times (less than 59 secs) appear as whole minute for clarity
• Dimensions of standard magnetic actuator : 30 x 20 x 6mm (larger mechanical actuators also available for large sliding doors)
• Cable material: PVC screened RG58
• Standard cable length: 1500mm (other lengths available to order)
• Connector: BNC
• Dust / Waterproofing: IP65 (including connection to recorder)

Mechanical / Environmental (MRS-L, MRS-M & MRS-H)

• Standard dimensions of probe tip: 60mm x 4mm diameter (other sizes available)
• Probe material: 316 Stainless Steel
• Cable material: PTFE / FEP screened RG316, tested to MIL-C-17/172
• Standard cable length: 1500mm (other lengths available to order)
• Connector: BNC
• Operating temp. range: see accuracy tables above
• Dust / Waterproofing: IP68 (excluding connection to recorder)
• Dust / Waterproofing: IP65 (including connection to recorder)

Mechanical / Environmental (MRS-A)

• Standard dimensions of probe tip: 20mm x 7.5mm diameter
• Probe material: black polyolefin
• Cable material: PVC screened RG58
• Standard cable length: 1500mm (other lengths available to order)
• Connector: BNC
• Dust / Waterproofing: IP66 (excluding connection to recorder)
• Dust / Waterproofing: IP65 (including connection to recorder)

MRS-ADAPT

• BNC T-piece connector
• Enables MRS-D and MRS-L (etc) to be connected to MR or MR-T recorder at the same time